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TechLead Conf London 2026: Adopting AI in Orgs Edition

Oct 23, 2026

React Advanced 2026

Oct 23 - 26, 2026

JSNation US 2026

Nov 16 - 19, 2026

AI Coding Summit NYC

Nov 16 - 19, 2026

React Summit US 2026

Nov 17 - 20, 2026

React Day Berlin 2026

Dec 4 - 7, 2026

AI Coding Summit Berlin

Dec 4 - 7, 2026

React Summit Asia 2027

Apr 14 - 19, 2027

AI Coding Summit Asia 2027

Apr 15 - 20, 2027

JSNation 2027

May 20 - 24, 2027

React Summit 2027

May 21 - 25, 2027

Web Development insights directly from framework authors and early adopters.

Talks from our events

AI Coding Summit London

Jul 6 - 7, 2026

React Summit 2026

Jun 11 - 16, 2026

JSNation 2026

Jun 11 - 15, 2026

Web Engineering Summit 2026

Jun 11 - 15, 2026

TechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition

Jun 11, 2026

Node Congress 2026

Mar 26 - 27, 2026

AI Coding Summit 2026

Feb 26 - 27, 2026

TechLead Conf London 2025: Adopting AI in Orgs Edition

Nov 28, 2025

React Advanced 2025

Nov 27 - Dec 1, 2025

React Summit US 2025

Nov 18 - 21, 2025

JSNation US 2025

Nov 17 - 20, 2025

AI Coding Summit 2025

Oct 23 - 24, 2025

Articles

Emma Bostian: I landed my dream job by sharing my blogs on Twitter

Software engineer, lecturer, podcast host, author — is there something Emma Bostian hasn't done? She moved from America to Sweden, started working at Spotify, and took up a few challenges along the way. And now she has some career tips to share.

What led you to...

Kent C. Dodds: Consume, build, and teach — and level up your career

Even though his bio offers quite a hefty reading, he only applied for one job in his career. The rest came along as he was building his name as a renowned speaker, teacher, and a prolific figure of the open-source community. How did Kent do it? “Commit to creating high-quality content,” he sa...

Explore what's new in the 2024 editions of JSNation and React Summit!

JSNation and React Summit are the key JavaScript and React conferences of the year, expecting over 3K attendees, featuring 110+ speakers, and offering 15+ Free and PRO workshops altogether...

2000+ grabaciones de conferencias React y JavaScript en español por GitNation

GitNation, conocida por organizar conferencias de JavaScript y React, ha implementado importantes actualizaciones en su plataforma de video. Estas nuevas características están diseñadas para mejorar la accesibilidad y la capacidad de descubrimiento de contenido para desarrolladores en todo el mun...

Spanish translations for 2000+ React and JavaScript talks from GitNation

GitNation, known for organizing JavaScript and React conferences, has rolled out significant updates to its video platform. These new features are designed to improve content accessibility and discoverability for developers worldwide and marks the start of ongoing localisation efforts with more l...

Top ideas

What are the limiting factors in web engineering?

Limiting factors include CPU performance, storage performance, and the diversity of devices and networks that web applications must run on.

What are the benefits of using a MonoRepo?

The benefits of using a MonoRepo include atomic changes, simplified code sharing, and a single set of dependencies. This facilitates faster development cycles, reduces integration issues, and simplifies project management across multiple teams or projects.

How does RSC improve server-side rendering (SSR)?

RSC offers a new way to perform SSR by using ReactFlight payloads instead of direct HTML, allowing for more efficient rendering and streaming of content.

Is the ReactFlight protocol well-documented?

As of now, the ReactFlight protocol is not well-documented, and its understanding is mostly based on reverse engineering and community examples.

What are some main categories of JavaScript patterns?

The main categories of JavaScript patterns include object-creational patterns, structural patterns, behavioral patterns, and architectural patterns.

Why should architects focus on what really matters?

Architects should prioritize areas that provide the most business value, even if it means accepting technical debt in less crucial areas, to ensure strategic goals are met.

What is the ReactFlight protocol?

ReactFlight is a protocol in React 19 used to serialize content so it can be sent from a server to a client, enhancing the sharing of rendering jobs between them.

Can Undici handle HTTP/2?

Yes, Undici supports HTTP/2 in addition to HTTP 1.1.

How do you use Undici?

You can start using Undici by importing the 'request' function and providing a URL. It returns the status code, headers, trailers, and body.

How does Svelte differ from React?

Svelte is HTML-first, focusing on states rather than changes between states like JavaScript does. It allows developers to use valid HTML directly in components, offering a more intuitive approach compared to React's JSX.

Deep Dives

Deep Dive: Growing to Tech Lead

Growing to Tech Lead

Learn directly from other Senior+ and Lead engineers on how to progress your engineering career, strengthen your foundational skills and become and irreplaceable engineer.

Talk: Pocket Guide to Seniority
Talk: Why Engineers Must Become Multipliers in the AI-Era
Talk: Walking the Netflix Paved Road (Bumps Included): Web Framework, Hawkins Design System
Talk: Transforming Your Tech Interviews in the AI Agent Age
Talk: 5 Tough Conversations Managers Need to Have

... and 14 more talks and workshops

Deep Dive: AI Assisted Coding

AI Assisted Coding

Remove the noise, master agentic coding patterns actually tested in production directly from Senior practitioners.

Talk: Templates and Components for Claude Code: The Future of AI Coding Workflows
Talk: Using Spec-Driven Development for Production Workflows
Talk: Building Blocks of an Agentic Engineering Platform: What SRE Taught Us About Running Agents
Workshop: AI-Powered Code Review
Workshop: Operating Agent-Based Systems - Overview, Configure, Run, Orchestrate, Monitor

... and 22 more talks and workshops

Deep Dive: Mastering Full-stack

Mastering Full-stack

Master full-stack and fundamental engineering skills for AI-enabled future.

Talk: Building a JavaScript Engine in Rust: Lessons From Boa
Talk: Building a JavaScript Engine in Rust: Lessons From Boa
Talk: Beyond Benchmarks: node.js, Deno, and Bun in Real Production
Workshop: DevOps for Front-end Developers: From Local Code to Production by Docker Captain
Workshop: Building Fullstack Apps With Cursor

... and 21 more talks and workshops

React Summit 2025

26 min

Our Own React Global State Manager in Less Than 50 Lines of Code

Top Content

Miguel Ángel Durán

midudev

Speaker delves into global state management in React, mentioning Redux and alternatives like React context. Creating a global state manager in under 50 lines of code with React context, highlighting challenges with performance and React specificity. Building a custom hook named user store for state management, implementing state and API for store, handling partial state updates efficiently. Managing listeners for state changes, setting up custom hooks and selectors, and subscribing to external stores. Demonstrating optimization in state management and preventing unnecessary button re-renders. Discussion on Redux, Signals, debugging, and various global state management choices like Zestand and Redux toolkit.

react

A Brief History of Code Review (And What's Next)

JSNation 2026

8 min

A Brief History of Code Review (And What's Next)

Santosh Yadav

CodeRabbit

The Talk explores the transition from solo development to code review history, tracing it back to the Fagin Inspection process in the 1990s. It discusses the evolution of code collaboration from in-person meetings to remote, email-based discussions. The shift to modern code review via pull requests on GitHub improved collaboration efficiency. The integration of AI in code review enhanced processes and enabled instant feedback. Encouraging open source projects to adopt code review tools and prioritize the importance of thorough reviews is highlighted.

code quality

The Future Stack of Code Review

JSNation 2023

22 min

The Future Stack of Code Review

Gabriel L. Manor

Permit.io, Israel

The Talk discusses the challenges of code reviews and the need to redefine the code review process in light of changes in software development. It emphasizes the importance of collaboration, security, performance, and clean code in the new stack of code review. The Talk also highlights the benefits of automating code review comments and optimizing the code review process. Overall, the Talk aims to build a better code review process that promotes collaboration and improves the quality of software development.

code quality case study

How I Build Web Applications in 2026

AI Coding Summit 2026

31 min

How I Build Web Applications in 2026

Top Content

Kent C. Dodds

Creator of EpicWeb.dev, EpicReact.Dev, TestingJavaScript.com

Kent C. Dodds discusses building web applications in 2026, highlighting the importance of user experience and challenges in offline video downloads. Recent AI advancements in the Epic Workshop app enable offline video downloads with features like bulk downloads and quality control. Efficient AI agent management using agents like Cursor transforms workflow. Leveraging Laravel and Ruby on Rails, Ask Mode enhances project understanding by communicating with AI agents. Emphasizing clear task scoping, iterative planning, and agent feedback improves project development. Utilizing MCP tools and agent workflow, including BugBot for code review, optimizes app development. Closing the agent loop and emphasizing architecture's role in utilizing agent input context are crucial. The talk invites developers to become experienced AI agent managers and join the mailing list for updates.

web development

Network Requests with Cypress

TestJS Summit 2021

33 min

Network Requests with Cypress

Top Content

Cecelia Martinez

Ionic

Cecilia Martinez, a technical account manager at Cypress, discusses network requests in Cypress and demonstrates commands like cydot request and SCI.INTERCEPT. She also explains dynamic matching and aliasing, network stubbing, and the pros and cons of using real server responses versus stubbing. The talk covers logging request responses, testing front-end and backend API, handling list length and DOM traversal, lazy loading, and provides resources for beginners to learn Cypress.

testing cypress

AI-Powered Code Review

TechLead Conf Amsterdam 2026: Adopting AI in Orgs Edition

77 min

AI-Powered Code Review

Workshop

Serhii Yakovenko

Every engineering organisation is experimenting with AI coding assistants, but few have built production-grade LLM integrations into their core developer infrastructure. I have such an experience, and I will share real patterns from deploying an AI-powered code review system across a 400+ person...

code quality

Skill Design for LLM Agents

AI Coding Summit London

24 min

Skill Design for LLM Agents

Minko Gechev

Google

Minko Getschev, AI lead at Google, shares insights on building effective agent skills, including architecture, skill creation best practices, and evaluation methods. Agent decision-making, planning, and hybrid architectures are explored, with a focus on the React loop for tool utilization. Context expansion and management, utilizing tools like MCP and CLIs, enhance agent power. The discussion includes comparisons between MCP and CLIs in agent systems, emphasizing context handling and debugging. Agent skills are structured as procedural instructions, with an open standard focused on tasks and workflow logic. Best practices for skill workflow involve avoiding redundancy, optimizing front matter, and focusing on predictable execution. Utilization and management of agent skills are crucial for performance optimization. Continuous skill evaluation, testing, and improvement are highlighted, with SkillGrade for evaluating agent skills. Skill workflow execution analysis involves identifying failures, log analysis, and rerunning workflows for successful execution.

best practices

The Last Software Engineer

AI Coding Summit London

21 min

The Last Software Engineer

Kent C. Dodds

Creator of EpicWeb.dev, EpicReact.Dev, TestingJavaScript.com

Kent C. Dodds introduces the concept of durable skills and the importance of physical movement. AI evolution involves fine-tuning, prompt engineering, and uncertainties. Reflecting on the future role of AI in work and the evolving technology landscape. Insights on product engineering emphasize judgment, hitting targets, and prioritizing target selection. The importance of user-centric product engineering, intentional decisions, and adapting skills in the agentic coding world are highlighted.

future of development

Mess to Modern: Refactoring a React Nightmare

React Summit 2026

18 min

Mess to Modern: Refactoring a React Nightmare

Kaleb Garner

Mentorship available

HaloMD

Have you ever faced complex and messy React codebases? Caleb Garner shares a five-step playbook to transform a 900-line React component. Addressing systematic modularity and organization structure for better code management. Enhancing codebase structure by extracting business logic for testability and maintainability. Streamlining state and data management for robust codebases. Establishing predictable data handling with userReducer for structured state management. Optimizing component modularity for reusability and efficient data management. Emphasizing caller-controlled layout and streamlined development experience through five key principles.

react performance developer experience

CLI, GUI, or Just Blind Trust? A Tour of Code Review Styles

React Summit 2026

6 min

CLI, GUI, or Just Blind Trust? A Tour of Code Review Styles

Santosh Yadav

CodeRabbit

Introduction to traditional code review methods and challenges faced by developers. Challenges with code review process and the shift towards AI era and CLI-based reviews. Using IDEs for code review, agentic era support, and enhancing code view for human-agent collaboration. New CodeRabbit view for code analysis, free for open source projects, support for old school and agentic engineers.

code quality

Featured

Why Node.js Needs an Application Server

Node Congress 2026

18 min

Why Node.js Needs an Application Server

Matteo Collina

Node.js TSC committee member. Pino & Fastify author.

Matteo Collina discusses Node.js, its single-threaded design, and the introduction of threads in 2018 for parallelism and CPU utilization. Node.js production monitoring focuses on application health, fault tolerance, and event loop efficiency. VAT architecture improves Node.js applications with thread migration and monitoring. Node.js manages threads and failures independently with Prometheus monitoring. Scalability in Node.js involves Kubernetes clusters and in-process scaling. Next.js with React SSR for Node.js applications enables dynamic scaling and performance. Node.js handles CPU blocking and SSR performance by utilizing multiple threads.

node.js architecture

Rethinking Bundling: Why You Don’t Need Less JavaScript

JSNation US 2025

30 min

Rethinking Bundling: Why You Don’t Need Less JavaScript

Daniel Roe

Leads the Nuxt core team

The speaker, Daniel, shares insights on his role as an open source maintainer, projects Nuxt and Nitro, and living in Edinburgh. Nuxt, a full-stack framework, evolved with community support, emphasizing community-driven development. Optimization strategies for JavaScript, CSS, and font loading in Nuxt were discussed. Integration of Nuxt Scripts for web performance, challenges in meta framework development, and considerations for Nuxt V3 rewrite were highlighted. Future plans include smoother migrations and open-source access to emoji slides integration.

bundler

Build a MCP (Model Context Protocol) in Node.js

JSNation US 2025

97 min

Build a MCP (Model Context Protocol) in Node.js

Featured Workshop

Julián Duque

Model Context Protocol (MCP) introduces a structured approach to LLM context management that addresses limitations in traditional prompting methods. In this workshop, you'll learn about the Model Context Protocol, its architecture, and how to build and use and MCP with Node.jsTable of Cont...

node.js

Never Worry About CORS Again

JSNation US 2025

28 min

Never Worry About CORS Again

Jarred Sumner

Creator of Bun.

Talk on Bund: Overview of Bund, its speed optimization, components like runtime, package manager, test runner, and bundler. Efficient features include fast npm manager, pnpm lockfile support, Jest-compatible test runner, and optimized runtime components. Built-in features like modern password hashing, WebSocket server, file glob API, and database clients. API design focuses on common use cases and optimization. Enhanced JavaScript functionality with SIMD, native code, and performance improvements. Challenges in JavaScript productivity, BUN adoption, deployment, and support. React support, community involvement, security, Next.js compatibility, and transition.

js runtimes

I Measured React Server Components’ Performance So You Don’t Have To

React Advanced 2025

22 min

I Measured React Server Components’ Performance So You Don’t Have To

Nadia Makarevich

Coder, writer, author of Advanced React book

Nadia introduces React server components and performance, highlighting the benefits of server components in improving performance and the need for a clear understanding of their impact on rendering and data fetching in React applications. Exploring Server-Side Rendering Impact on Performance: Analysis of transitioning from client-side to server-side rendering, including implications on performance and data fetching. Transforming Empty Screen to Performance Improvement: Detailed process of browser work, React rendering, and data fetching impact. Making the Shift to Server-Side Rendering: Impact on interactivity and data fetching optimization. Understanding the Benefits of AppRouter Version in SSR with Reduced JavaScript Payload and Introduction of Server Components. Investigating Smarter Server-Side Rendering with Server Components and Streaming in Next.js. Refactoring for Server Components: Async Data Fetching, Server Component Identification, and Utilizing Suspense for React Streaming Chunks. Enhancing Performance with Server Components: Balancing Rendering Approaches, Importance of Server-Side Data Fetching, and Leveraging Suspense for Improved Streaming.

performance react server components

Build LLM agents in TypeScript with Mastra and Vercel AI SDK

React Advanced 2025

145 min

Build LLM agents in TypeScript with Mastra and Vercel AI SDK

Featured WorkshopFree

Eric Burel

LLMs are not just fancy search engines: they lay the ground for building autonomous and intelligent pieces of software, aka agents.
Companies are investing massively in generative AI infrastructures. To get their money's worth, they need developers that can make the best out of an LLM, and t...

typescript artificial intelligence

The Dark Side of Micro-Frontends

React Advanced 2025

29 min

The Dark Side of Micro-Frontends

Luca Mezzalira

Author of Front-End Reactive Architectures and Building Micro-Frontends

In the Talk, various key points were discussed regarding micro-front-end architecture. These included challenges with micro-intents, common mistakes in system design, the differences between micro-intents and components, granularity in software architecture, optimizing micro-front-end architecture, efficient routing and deployment strategies, edge computing strategies, global state and data sharing optimization, managing data context, governance and fitness functions, architectural testing, adaptive growth, value of micro-frontends, repository selection, repo structures, and web component usage.

architecture

From Segments to Suspense: The Future of Next.js Caching

React Advanced 2025

27 min

From Segments to Suspense: The Future of Next.js Caching

Wyatt Johnson

Clerk

Introduction to Cache Components in Next.js 16, transforming the app router with new features like partial pre-rendering, Dynamic I.O., and caching directives. Deep dive into static params generation in Next.js focusing on changes in generating static params for improved performance. Exploring challenges of generating static params and balancing static vs. dynamic rendering for better performance. Addressing challenges with cache components, optimizing static and dynamic rendering for improved performance. Understanding impact of parameters on rendering with cache components, managing dynamic components, and introducing suspense boundaries for faster page loads. Enhancing cache life APIs, introducing a new caching model for static outputs in Next.js. Revolutionizing cache management with granular control over cache lifetimes and dynamic segment configuration. Navigating data and caching in Next.js, exploring cache components guidance and caching differences between server and client components.

react performance next.js frontend server cache react server components

Pragmatic 101 on Custom JS Tooling for Your Project

JSNation US 2025

122 min

Pragmatic 101 on Custom JS Tooling for Your Project

Featured Workshop

Will Klein

Let’s demystify the secrets of modern JavaScript tooling. In this workshop, you will learn how linters, compilers, and code transforms work. You will take your first steps building your own developer tools, writing an ESLint rule, a compiler plugin, and a code transformation. Learn these skills t...

tooling

The New AI Workflows

React Advanced 2025

14 min

The New AI Workflows

Steve Sewell

Builder.io

The Talk delves into the impact of LLMs on engineering workflows, emphasizing the shift towards AI for code writing efficiency. It highlights the importance of problem-solving abilities and product development in hiring practices. LLMs enhance productivity for developers, designers, and product managers, enabling faster iterations and collaboration. Efficient product workflows are achieved through simultaneous UI and code work using Builder.io. Task delegation is streamlined with async agents and Builder bots, optimizing project editing and code management. Integration with tools like VS Code and Figma streamlines design and code editing, enhancing collaboration and workflow automation.

artificial intelligence

Short takes

From TV to Touch: How We Made React UI Work Across Every Input Mode

React Summit US 2025

5 min

From TV to Touch: How We Made React UI Work Across Every Input Mode

Seungho Park

LG Electronics

Seungho Park discusses the importance of spatial navigation for TV apps and the challenges of supporting remote, pointer, and touch inputs. Real examples are explored, including focus placement, restoring focus, and grouping elements for stable navigation. Challenges in TV app navigation such as key scrolling in grid lists and managing input mode transitions are highlighted. The talk also delves into handling input modes, designing for 5-way, pointer, and touch input, and addressing edge cases. Implementing the W3C spatial navigation standard, defining focus properties for container elements, and encouraging exploration of React UI spatial navigation support are key points.

best practices

Using Spec-Driven Development for Production Workflows

JSNation US 2025

7 min

Using Spec-Driven Development for Production Workflows

Erik Hanchett

AWS

We're discussing spec-driven development and the innovative AI IDE, QIRO, that supports this approach. QIRO focuses on structured specifications before coding, aiding developers in creating designs. The QIRO mascot, a playful ghost, symbolizes the essence of spec-driven development. Eric Hanchett discusses QIRO, emphasizing its spec-driven development feature integrated into the IDE. QIRO aids in in-depth feature planning, resembling a structured requirements approach. Coding assistants benefit from detailed examples for efficient development. Exploring Manual Coding Assistance: Creating user requirements, building design documents, and task lists manually. Example of using spec mode in a coding assistant to break down requirements, create designs, and implement features.

artificial intelligence

A Brief History of Code Review (And What's Next)

JSNation 2026

8 min

A Brief History of Code Review (And What's Next)

Santosh Yadav

CodeRabbit

code quality

Rustifying Vite: Designing a Hybrid Toolchain for the Real World

JSNation 2026

6 min

Rustifying Vite: Designing a Hybrid Toolchain for the Real World

Alexander Lichter

VoidZero

Options for pre-bundling, transformation, and minification. Rollup, bundling, and limited chunk control. SWC for React, but complexity with multiple bundlers causing issues for maintainers and developers. Limitations in bundlers, features V8 needs. Improving build times with Rust. Introducing Roldown with rollup's API, compatibility, speed, and advanced chunking. Features like module types, lazy barrel optimization, HMR, and built-in minifier for a performant bundle. Ensuring Rust-based bundler compatibility with JavaScript ecosystem. Introduction of Swangular for efficient plugin handling. Native Rust plugins support with module resolution, aliases, TypeScript JSX transform, dynamic imports. Integration with underlying minifier, transformer, linter, and formatter for tool chain V+.

vite tooling

Debugging Performance With AI

JSNation 2026

6 min

Debugging Performance With AI

Bernie Sumption

AG Grid

The talk explores using AI to address challenges in rendering performance optimization, highlighting the potential of tools like Chrome developer tools MCP. Leveraging AI with these tools can streamline the process and flatten the learning curve for developers. The approach of isolating performance issues through commit analysis, including systematic testing and synthetic stress tests, is emphasized as a practical method to identify and resolve rendering performance issues effectively.

artificial intelligence

Framework Native Rendering Without Code Duplication?

React Summit 2026

6 min

Framework Native Rendering Without Code Duplication?

Stephen Cooper

AG Grid

Talking about an experiment in Agigrid to render to multiple frameworks without duplicating code. Exploring MVC approach for structuring code base and handling view complexity efficiently. Exploring new ways to structure view logic and render components efficiently across frameworks within Agic Grid experiment.

best practices

Video Optimization for the Web: The Missing Piece in Lighthouse

React Summit US 2025

7 min

Video Optimization for the Web: The Missing Piece in Lighthouse

Rahul Nanwani

ImageKit.io

Rahul introduces video optimization principles, emphasizing modern formats, compression, bitrate reduction, and lazy loading. ImageKit simplifies video loading by compressing videos significantly and adapting to network conditions. Pausing videos when not in view saves data costs and enhances user experience.

video

MCPs: How to Avoid Security Pitfalls

AI Coding Summit 2026

7 min

MCPs: How to Avoid Security Pitfalls

Gil Friedman

Backslash Security

Gil Friedman from Backslash Security discussed MCP security, focusing on the Model Context Protocol and AI assistant security risks like GitHub token exposure in auto run mode. Security measures for MCP usage include setting autorun to ask every time, postmarking MCP incidents, handling malicious servers, safeguarding sensitive information, reviewing and disabling unused tools, requiring permission before triggering actions, removing MCP from environments, and revoking API keys when necessary.

security

Taming the Flicker: Firebase Patterns for React Server Components

React Summit 2026

7 min

Taming the Flicker: Firebase Patterns for React Server Components

Rosario Fernandes

Google

Rosario from Firebase highlights challenges of client-side development and Firebase solutions like server app for authentication. Firestore's offline cache and real-time updates improve user experience. Updating UI to prevent authentication flickers and optimizing real-time components with onSnapshotResume and feature flagging. Introducing Firebase App Hosting and SQL Connect for server-side rendering and SQL database integration, with upcoming Crashlytics for web.

react

How To Get The Most Out Of the Cloud As A Front-End Developer

React Summit US 2025

7 min

How To Get The Most Out Of the Cloud As A Front-End Developer

Erik Hanchett

AWS

Front-end developers benefit from cloud services like AWS S3 and Lambda. AWS offers services like Cognito for identity management and Bedrock AI models. AWS Amplify provides Hosting and Cloud Development Kit for efficient development. The Cloud Development Kit is recommended for TypeScript deployment. AWS Amplify connects front-end to AWS services and SDK for back-end. QR code feedback is available for the talk.

tooling

Latest

Software Craftless: Writing Code That Would Make a Goat Vomit

JSNation 2026

15 min

Software Craftless: Writing Code That Would Make a Goat Vomit

César Alberca

Freelance Frontend Architect

Introducing Software Craftless with Cesar Alberca, exploring the downsides of best practices, emphasizing clear naming conventions, discussing code complexity optimization, the evolution of frontend development trends, architectural diagrams importance, testing tips, AI-driven development, creative AI utilization, and gratitude towards AI interactions.

fun demos

Mess to Modern: Refactoring a React Nightmare

React Summit 2026

18 min

Mess to Modern: Refactoring a React Nightmare

Kaleb Garner

Mentorship available

HaloMD

react performance developer experience

Replacing Form Libraries With Native Web APIs

React Summit 2026

17 min

Replacing Form Libraries With Native Web APIs

Trust Jamin

Uploadcare

Jamin discusses the shift from using form libraries to native web APIs in React development, emphasizing the benefits of exploring web-native APIs before relying on libraries. The talk covers topics such as Constraint Validation API, React 19 form actions, and CSS pseudo-classes for form building without libraries. It highlights real-time validation, simplified form submission, and custom error handling in React forms. The importance of customizing error messages, setting up custom error handling, and optimizing form performance are also addressed, along with challenges and recommendations for utilizing web native APIs in form development.

react

Ashes to Ashes, Spec to Spec: The Rebirth of Modern Testing

React Summit 2026

29 min

Ashes to Ashes, Spec to Spec: The Rebirth of Modern Testing

Younes Jaaidi

Software Cook | Marmicode

Gathering to bid farewell to Mocha, Jest, and Karma. From minimalism to Jest's migration with Vitest as the most popular framework. Yunus emphasizes finding the right balance in software tools like Angular and NX. Discussion on transitioning from Jest to VTest with a focus on careful approach and test migration efficiency. Insights on debugging mocks, object mothers, and the use of Wallaby JS for debugging in VTest. Exploring test control, browser debugging, configurations, troubleshooting user events, automation with Playwright, and VTest's automation engine. Focus on unit testing speed, scope, and complexity rules, IDE tools like WallabyJS, and GitWipe alias for development reset.

testing

For Agents, By Agents: Building AI Tools That Maintain Themselves

AI Coding Summit London

23 min

For Agents, By Agents: Building AI Tools That Maintain Themselves

Rudrank Riyam

Rork, Software Engineer

Rudhankariyam discusses AI-driven coding to develop self-maintaining AI tools. Introduced an open-source project, App Store Connect CLI, as a case study for AI-driven coding. Implemented automation for App Store publishing using agents and APIs. Managed fewer PRs in bulk, used codex and cursor cloud automations efficiently. Added aliases for hallucinated cloud code commands, improved descriptions and examples. Implemented separate auditor agent for rigorous code review. Emphasized human decision-making for product direction and initial rules in automation strategies. Evaluate model quality based on error rates and user expectations. Highlighted the importance of human judgment in software development amidst AI advancements.

case study

De-bloating the Web: The "Ecosystem Performance" Initiative (e18e)

Web Engineering Summit 2026

20 min

De-bloating the Web: The "Ecosystem Performance" Initiative (e18e)

Ulrich-Matthias Schäfer

svg.js maintainer, member of the e18e community

The E18E initiative aims to modernize the JavaScript ecosystem by addressing redundant, bloated, and unmaintained packages. It focuses on reducing dependencies, upgrading packages, and improving project performance. Collaborators have successfully reduced package sizes and enhanced tools like Storybook and Prettier CLI. Tools like TinyGlobby and E18E CLI streamline dependency management for better project efficiency. Security enhancements, frontend alternatives, and collaborations with industry players are key aspects of the initiative's development. Future plans include tool enhancement, data visibility, and ongoing collaborations.

performance

Tanstack Start and How It Supports React Server Components

React Summit 2026

27 min

Tanstack Start and How It Supports React Server Components

Manuel Schiller

Introducing 10-Stack Dart, a full-stack framework for client-first applications, with server features and support for React and Solid. Discussion on the necessity of React server components and their role in providing data streams for React. Exploring handling server components in 10 sec start, server functions as the boundary for server-rendered UI, caching mechanisms, and flexibility in returning multiple server components. Managing route-based caching, multiple server components in one function, and using query cache for server-rendered UI. Deciding server composition, client-controlled structure, composite components for interactive UI elements, and ensuring type safety in composition models. Understanding the power and flexibility of server components in application architecture, migration from React router to 10-stack start, and challenges with release stability and usage of RSCs. Discussing the implementation of RSC in 10-stack start, its usage in new projects, differences with Next.js, and comparisons of one-way RSCs with Next.js.

react server components

Learnings From 100+ Experiments Comparing LLMs for AI Coding

AI Coding Summit London

28 min

Learnings From 100+ Experiments Comparing LLMs for AI Coding

Povilas Korop

AI Coding Daily

Introduction to LLMs from a Developer's Perspective, YouTuber with AI Coding Daily channel, evaluates new models and versions on YouTube, gaining traction and positive feedback. Exploring the Best Models: My Benchmark on 18 LLMs, evaluating cost, points, and competition among models for day-to-day use. Measuring Models: Prompt Methodology, Tests on PHP, Laravel, React, TypeScript, and CSV, with emphasis on correct data usage and benchmark awareness. Model Evaluation: Chinese models' progression, benchmark awareness, and Opus and GPT superiority. Model Pricing and Quality Comparison: Opus, GPT, and Composer 2.5 cost-effective options. Composer 2.5 and GPT 5.4 mini offer quality at low prices. Choosing models based on project needs and budget constraints. Discussion on local LLM investment challenges, SONnet 5 benchmark performance, and exploration of new models like Proton Luma 2.0. Importance of skill definitions for model performance and limitations in local model implementation. Discussion on the importance of model harness, setup considerations, and evaluation methodologies for LLMs.

best practices

What the First Rule of ARIA Really Means

React Summit 2026

28 min

What the First Rule of ARIA Really Means

Abbey Perini

Hygiena

Introduction to ARIA, its meaning, and the complexities of accessibility in web development. Exploring the importance of proper ARIA usage for web accessibility and the pitfalls of incorrect ARIA implementation. Exploring the importance of landmark roles in web development and their benefits for screen reader users. Discussing the impact of AI-enabled assistive technologies on ARIA and emphasizing the importance of using semantic HTML. Discussing the importance of visually hidden text in the correct DOM order and the challenges of accessibility for chart-heavy pages. Discussing the importance of testing with users with disabilities, upcoming accessibility requirements for web pages, and considerations for making AI more accessible.

accessibility

Building a JavaScript Engine in Rust: Lessons From Boa

Web Engineering Summit 2026

24 min

Building a JavaScript Engine in Rust: Lessons From Boa

Jason Williams

Bloomberg LP

Jason Williams discussed building a JavaScript engine in Rust, focusing on challenges and achievements with Servo, including making Servo work on Windows. Boa was introduced as a JavaScript engine project with a blog on Mozilla Hacks. Boa's development stages were highlighted, starting from file reading and tokenization. The talk delved into token types, lexical declarations, parsing, and execution methods in Boa. Community involvement, testing emphasis, and conformance achievements were emphasized, with a notable collaboration on Temporal implementation reaching 100% test pass rate.

js runtimes

Popular

AWS Lambda under the hood

Node Congress 2023

22 min

AWS Lambda under the hood

Top Content

Luca Mezzalira

Author of Front-End Reactive Architectures and Building Micro-Frontends

In this Talk, key characteristics of AWS Lambda functions are covered, including service architecture, composition, and optimization of Node.js code. The two operational models of Lambda, asynchronous and synchronous invocation, are explained, highlighting the scalability and availability of the service. The features of Lambda functions, such as retries and event source mapping, are discussed, along with the micro VM lifecycle and the three stages of a Lambda function. Code optimization techniques, including reducing bundle size and using caching options, are explained, and tools like webpack and Lambda Power Tuning are recommended for optimization. Overall, Lambda is a powerful service for handling scalability and traffic spikes while enabling developers to focus on business logic.

aws serverless

HTTP/3 Performance for JS Developers

JSNation 2023

21 min

HTTP/3 Performance for JS Developers

Top Content

Robin Marx

Akamai Technologies

HTTP 3, also known as H3, is the latest version of the HTTP protocol with new performance-related features. Enabling HTTP 3 requires minimal effort and provides significant benefits, but limits fine-grained control over performance features. Zero RTT has limitations due to security reasons and restrictions on allowed requests. Resource loading and prioritization in HTTP 3 have some problems, as browsers may not agree on resource importance. Fetch priority allows fine-grained control over resource loading order, and resource discovery can be improved with 103 Early Hints. Web transport provides low-level access to QUIC and HTTP3 features for real-time use cases.

performance

Making Multiplayer Games with Colyseus, Node.js and TypeScript

JS GameDev Summit 2022

31 min

Making Multiplayer Games with Colyseus, Node.js and TypeScript

Top Content

Endel Dreyer

Colyseus

Today's Talk covers making multiplayer games with Coliseus, Node.js, and Typescript. It explores the state of networking on the web, alternative servers, and how Coliseus works. The Talk also discusses client-side prediction, lag compensation, server limitations, scaling, and showcases cool games made with Coliseus. Additionally, it mentions Nakama and Unity integration for client-side prediction in multiplayer games. Coliseus is available on mobile and can be found on colossus.io or the GitHub repository.

game development case study game server

Using CodeMirror to Build a JavaScript Editor with Linting and AutoComplete

React Day Berlin 2022

86 min

Using CodeMirror to Build a JavaScript Editor with Linting and AutoComplete

Top Content

Workshop

2 authors

Using a library might seem easy at first glance, but how do you choose the right library? How do you upgrade an existing one? And how do you wade through the documentation to find what you want?
In this workshop, we’ll discuss all these finer points while going through a genera...

javascript build tools

Routing in React 18 and Beyond

React Summit 2022

20 min

Routing in React 18 and Beyond

Top Content

Delba de Oliveira

Senior Developer Advocate @ Vercel

Routing in React 18 brings a native app-like user experience and allows applications to transition between different environments. React Router and Next.js have different approaches to routing, with React Router using component-based routing and Next.js using file system-based routing. React server components provide the primitives to address the disadvantages of multipage applications while maintaining the same user experience. Improving navigation and routing in React involves including loading UI, pre-rendering parts of the screen, and using server components for more performant experiences. Next.js and Remix are moving towards a converging solution by combining component-based routing with file system routing.

react next.js patterns react file based routing

You Do Have Time to Build it Twice

React Summit 2022

21 min

You Do Have Time to Build it Twice

Top Content

Swizec Teller

Plasmidsaurus

Today's Talk focuses on software rewrites, specifically the transition from jQuery to React. The speaker shares their experience of rewriting a jQuery app to React, highlighting the benefits of the rewrite in terms of improved user experience and increased conversions. Approaches to software rewrites are discussed, including the page-by-page approach which allows for product innovation. The speaker emphasizes the importance of prioritizing rewrites or refactors for startups. The Talk concludes with insights on testing, server-side functionality, and the overall value of the rewrite.

web development career soft skills case study

React Slots: a New Way of Composition

React Advanced 2022

21 min

React Slots: a New Way of Composition

Top Content

Neo Nie

Revolut

Today's Talk introduces React Snots, a new way of composition for design systems. The configuration way provides flexibility but can lead to uncontrolled use cases and wrong patterns. React Slots RFC was created to address the limitations of React's support for web components and slots. It introduces createHost and createSlot APIs to enable component composition and solve previous problems. React Slots RFC allows for flexible component styling and the creation of complex structures without rendering them to the browser.

react react 18 patterns react composition react slots

Future Features of JS?!

JSNation 2022

28 min

Future Features of JS?!

Top Content

Hemanth HM

TC39 delegate and ECMA rep

Welcome to the future features of JavaScript, including proposals for array operations, throw expressions, records and TPUs, pipeline operators, and more. The talk covers the introduction of type assertions for imported files, non-mutating array operations, and the simplification of error handling. It also explores the concept of immutability with records and TPUs, and the use of the pipeline operator to simplify code. Other proposals include Map.implace, IteratorHelper, slice notation, type annotations, Array UNIQBY, number ranges, and the Function 1 proposal.

javascript tc39

Why You Should Use Redux in 2024

React Summit 2024

33 min

Why You Should Use Redux in 2024

Top Content

Mark Erikson

Replay.io

Mark Erickson explains the history, creation, evolution, and benefits of Redux. Redux was designed to make state updates and action history maintenance easy, incorporating functional programming principles. Redux Toolkit was created to simplify Redux usage. Redux is still a valid choice for its consistent pattern and separation of state from UI. The decision to use Redux depends on the specific use case and the need for centralized state management.

rtk query vs react query react patterns builders and founders redux react redux react state management

Thinking Like an Architect

Node Congress 2025

31 min

Thinking Like an Architect

Top Content

Luca Mezzalira

Author of Front-End Reactive Architectures and Building Micro-Frontends

In modern software development, architecture is more than just selecting the right tech stack; it involves decision-making, trade-offs, and considering the context of the business and organization. Understanding the problem space and focusing on users' needs are essential. Architectural flexibility is key, adapting the level of granularity and choosing between different approaches. Holistic thinking, long-term vision, and domain understanding are crucial for making better decisions. Effective communication, inclusion, and documentation are core skills for architects. Democratizing communication, prioritizing value, and embracing adaptive architectures are key to success.

architecture

React

Real-World Hydration and Rendering Patterns in Modern React Apps

React Summit 2026

20 min

Real-World Hydration and Rendering Patterns in Modern React Apps

Raju Dandigam

Navan

Ranjit Dandigam discusses real-world hydration and rendering patterns in modern React apps, exploring UI rendering phases, optimization strategies, and the importance of server-client boundaries. Implementing a streaming strategy in React apps enhances loading efficiency and user experience. Managing hydration mismatches and implementing safe time patterns are crucial for stable rendering. Demonstrations of Next.js rendering variations highlight different approaches to rendering content. Design principles for React app rendering emphasize the significance of streaming with suspense and honesty in rendering decisions.

react

React Strict Dom: Cross-Platform React Based on the Web

React Summit US 2025

29 min

React Strict Dom: Cross-Platform React Based on the Web

Nicolas Gallagher

Meta

Talk on cross-platform React using ReactStrict DOM to unify web and native React, standardizing for consistent UI development. Fragmentation challenges in React due to lack of standardized styling systems, impacting development efficiency and product consistency. Exploring unsuccessful cross-platform React approaches and the importance of minimizing migration costs. Enabling web developers to build native apps with React Native while enhancing it with web APIs for seamless code migration. Benefits of code sharing for cross-platform apps, AI integration for React Strict DOM, and the future vision for React Native as a web renderer. Unified styling in React Native, Tailwind integration, and UI best practices. Flexibility and readiness in React DOM, potential inclusion in React Foundations, and considerations for reversibility of decisions in React DOM.

react

Suspenseful Component Composition

React Summit US 2025

12 min

Suspenseful Component Composition

Simeon Griggs

Sanity

Simeon Griggs discusses Suspenseful Component Composition, the use of fallback props, and the basics of suspense in React applications with a demo showcasing data fetching and layout shifting. Exploring issues with data fetching and suspense boundaries. Addressing the challenges of using suspense boundaries and data fetching for individual rows in React applications. Creating consistent fallback elements for smooth loading experiences in tables by aligning sizes and optimizing data fetching placement. Optimizing data fetching placement for smoother loading experiences. Consider exporting suspense boundary to enhance code cleanliness and be defensive against data fetching errors. Use error boundaries to handle errors in suspenseful data fetching components for a smoother user experience.

react

Pragmatic Testing Recipes: Crafting Tests That Survive the Heat

React Summit 2026

206 min

Pragmatic Testing Recipes: Crafting Tests That Survive the Heat

Workshop

Younes Jaaidi

In this React testing workshop, we’ll trade fragile testing strategies for a testing recipe that actually holds up under pressure. If your current strategy feels like reheated leftovers — mocks that prevent you from refactoring, flaky end-to-end tests, or last-minute releases served raw — it’s ti...

react testing

React Bits: The Art of Standout UI

React Summit 2026

21 min

React Bits: The Art of Standout UI

David Haz

React Bits

David, creator of React Bits, shares insights on designing standout UI components, emphasizing the importance of distinct interfaces without being noisy. ReactVids focuses on creating reusable visual moments for developers, ensuring standout UI accessibility. Community-driven evolution of React Bits prioritizes customization, usability, and key UI qualities. Magic Rings exemplifies the balance and purpose needed in UI components. The versatility of Magic Rings showcases the importance of a flexible visual system. Exploring shaders enhances the control and visual richness of Magic Rings. Leveraging shader uniforms enables dynamic visual effects in React components. Real creative controls in component design emphasize meaningful customization. Strategic props play a crucial role in reusable creative component development. The philosophy of React Bits focuses on easy adoption, customization, and providing a strong starting point for distinct interfaces. ReactVids aims to create memorable, intentional, and unique user moments in UI design.

react open-source

Scaling React: What Actually Matters

React Summit 2026

30 min

Scaling React: What Actually Matters

Tathagat Thapliyal

Mentorship available

Simbian

Tathagath discusses the misconception of React's role in app slowness and emphasizes architecture over React performance. Context impact on app rendering is explored, along with React compiler enhancements. Global state misuse and state management in React are addressed. Performance pitfalls, optimizing app performance, and the impact of third-party scripts on React are discussed. Strategic management of third-party scripts and common mistakes in SSR applications are highlighted. Recognizing hydration costs and architectural impacts in React, as well as shifting mindset for performance optimization, are key points.

react

React Beyond the DOM

React Summit US 2025

27 min

React Beyond the DOM

Erik Rasmussen

Eric Rasmussen discusses React beyond the DOM, React PDF, Ink tools, and rendering to Markdown. The overview includes React Reconciler, host configuration, state management with real-world entities like light bulbs, and building a traffic light state machine visually. The talk also covers securing third-party JavaScript, expanding React rendering possibilities, advanced tooling for state machines, controlling light bulbs via renderer callbacks, server functions for fetch in the cloud, and potential robot programming with React.

react

Giving AI Agents Hands: Mobile Feedback Loops with Agent Device

React Summit 2026

26 min

Giving AI Agents Hands: Mobile Feedback Loops with Agent Device

Mike Grabowski

Codex Ambassador, React Native contributor, CTO

The speaker discusses the evolution of AI agent workflow in mobile development, emphasizing the importance of feedback loops and verification. They highlight the challenges of human involvement as agents dominate code production. Agent Device simplifies mobile automation by focusing on accessibility trees and text-based actions. The tool enhances app verification, debugging capabilities, and provides advanced features like network issue identification. Agent Device is versatile for CI setup, feedback loops, and visual regression detection. It supports real devices and offers capabilities for migrations and automation. Additionally, the speaker compares flakiness and TV platform support, showcasing performance improvements over traditional tools.

react artificial intelligence

Lessons From Adopting React Compiler

React Summit US 2025

23 min

Lessons From Adopting React Compiler

Akash Hamirwasia

ElevenLabs

Akash Hamilwasia presenting at React Summit 2025, shares React Compiler learnings and works on an AI audio platform. Memoization in React helps optimize UI performance by preventing unnecessary re-renders. React Compiler offers automatic memoization through static code analysis. React rules emphasize purity and immutability. The compiler analyzes and memoizes code changes for optimization. React Compiler package usage improves performance through code analysis. Understanding reactivity issues is crucial for handling React state. Compiler optimization requires correct dependency arrays and usage of external libraries. Measure React Compiler impact using React Profiler for optimization and real user impact analysis.

react performance advanced react 19

Hands-on React Server Components, Server Functions, and Forms in the Next.js App Router

React Summit US 2025

125 min

Hands-on React Server Components, Server Functions, and Forms in the Next.js App Router

Workshop

Aurora Scharff

In this workshop, we will explore React's latest features: Server Components, Server Functions, and forms. Discover how to optimize server-side rendering, build smooth user experiences with React Suspense and Transitions, and enhance application interactivity with Server Functions and new React 1...

react

Free workshops

Personalisation Without the Price Tag - Local LLMs for JavaScript Developers

React Summit 2026

108 min

Personalisation Without the Price Tag - Local LLMs for JavaScript Developers

WorkshopFree

Jo Franchetti

LLMs are powerful but unpredictable and most tutorials skip the part where you actually have to deal with that in production code. This workshop teaches you to use generative AI as an engineering tool: how to structure prompts around schemas, validate and repair non-deterministic output, and run...

artificial intelligence

Pear: Releasing Production P2P Apps

Web Engineering Summit 2026

54 min

Pear: Releasing Production P2P Apps

WorkshopFree

2 authors

All it takes is a module and a CLI tool to build and deploy production peer-to-peer applications. In this workshop:Build a realtime peer-to-peer applicationConnect with others on your own application, completely peer-to-peer.Understand how to deploy, including produc...

No Servers, No Cloud, No Masters: Make P2P Apps with Pear

React Summit 2026

66 min

No Servers, No Cloud, No Masters: Make P2P Apps with Pear

WorkshopFree

2 authors

All it takes is a module and a CLI tool to build and deploy production peer-to-peer applications.In this workshop:Convert an existing React application so that it no longer needs a server to deployPrepare the application and setup deployment flow for production release...

Building Model Context Protocol (MCP) Tools for AI Agents with Cloudflare Workers

Node Congress 2026

73 min

Building Model Context Protocol (MCP) Tools for AI Agents with Cloudflare Workers

WorkshopFree

Confidence Okoghenun

In this hands on workshop participants will learn how to create a production‑ready Model Context Protocol (MCP) server on Cloudflare Workers. The session covers defining tool endpoints, integrating external APIs, persisting state with KV storage, and globally deploying the server so AI assistants...

artificial intelligence

Building with Gemini: AI Studio, Antigravity, and Google DeepMind's Latest Models

AI Coding Summit 2026

34 min

Building with Gemini: AI Studio, Antigravity, and Google DeepMind's Latest Models

WorkshopFree

Paige Bailey

In this hands-on session, we'll dive straight into the practical mechanics of working with Google DeepMind’s latest research and models. We'll explore Google AI Studio, Antigravity, and the Gemini APIs, focusing on how to seamlessly integrate these capabilities into your own projects. If you're l...

best practices

"Hello World" on OpenShift AI: Training Your First Neural Network

AI Coding Summit 2026

53 min

"Hello World" on OpenShift AI: Training Your First Neural Network

WorkshopFree

2 authors

Join us for an interactive workshop where you'll train your first neural network using the classic MNIST handwritten digit dataset. In this hands-on session, participants will use OpenShift AI 3.x Workbenches to build and train a PyTorch model that recognizes handwritten digits from images.

artificial intelligence

Hands-On Guide to Secure AI-Driven Coding

AI Coding Summit 2026

52 min

Hands-On Guide to Secure AI-Driven Coding

WorkshopFree

Gil Friedman

Modern AI coding agents don’t just autocomplete. They execute, connect, and automate. With the wrong settings, they can access more of your system than you intended. In this session, I’ll demonstrate how agent autonomy, MCP integrations, and Skills can lead to unexpected security risks. Through e...

best practices artificial intelligence

Ship a Production Voice Agent: A Hands-on Workshop

AI Coding Summit 2026

49 min

Ship a Production Voice Agent: A Hands-on Workshop

WorkshopFree

Shifra Williams

Ready to bring conversational AI to life? In this hands-on workshop, we'll walk through deploying a real-time voice agent using Render's cloud platform. You'll work directly with LiveKit's voice agent template to create an interactive AI assistant that can listen, think, and respond naturally thr...

web apps

Build Your Dream Extensions with AI

AI Coding Summit 2026

87 min

Build Your Dream Extensions with AI

WorkshopFree

Brittany Joiner

In this interactive workshop, you’ll build a working internal browser extension you and your team can use to share context across apps you use daily. We’ll start with a practical, real-world example: a web clipper that you’ll customize to send content from GitHub to your team’s communication tool...

artificial intelligence

Using Sandboxes to Safely Execute Untrusted or Dynamic Code

AI Coding Summit 2026

76 min

Using Sandboxes to Safely Execute Untrusted or Dynamic Code

WorkshopFree

Craig Dennis

This workshop introduces Sandboxes as a general computing primitive and uses Cloudflare Sandboxes as the concrete implementation. Participants explore common, real-world use cases for sandboxed execution and learn how to reason about when and why sandboxes are the right tool.

The works...

case study