Learn JavaScript, HTML, CSS and React in 2026
Learn JavaScript, HTML, CSS, and React in order — the way concepts actually connect. Six sections with real, working code. No gaps in your foundation.
Learn JavaScript, HTML, CSS, and React in order — the way concepts actually connect. Six sections with real, working code. No gaps in your foundation.
We had a 3.2s LCP and 23% first-session drop-off. Here's what the Next.js App Router fixes actually looked like — load time down 40%, repeat orders up 74%.
