Estela Franco

Estela is a Senior Technical Architect in Web Performance at Shopify, where she helps merchants build faster and more performant experiences for their customers. Deeply involved in the global tech community, Estela is an international speaker, the co-founder of #MujeresEnSEO, and a co-organizer of PerformanceObserver.dev. She is dedicated to sharing technical knowledge and advocating for more diversity in the industry. When she isn’t debugging JavaScript issues, she is usually on a mission to find the city’s perfect latte macchiato or practicing her own "high-performance" sprinting while chasing her children through the park.

Shopify, Spainestelafranco.com guaca estelafranco guaca.bsky.social

Interests:

web development svelte best practices serverless web components optimization core web vitals headless performance seo github actions javascript micro-frontends

The Next.js Horror Picture Show: Why Your Website Is Slower Than You Think

React Advanced 2026

Upcoming

The Next.js Horror Picture Show: Why Your Website Is Slower Than You Think

In this data-driven talk, we will bypass marketing hype and unmask the hidden creatures behind Next.js., Using massive, real-world datasets from the HTTP Archive and the Chrome User Experience Report (CrUX), we will review the chronological evolution of Next.js performance and contrast its promised performance features with the real-world metrics of massive sites struggling with performance debt. Don’t dream your web is fast. Face the reality before it's too late.

performance next.js