https://youtu.be/YVjeYsfOwZY?si=40BSH5VzWhS-cty4
Created and maintained by Meta . It is the most popular, thus Market Standard , for Front End development. It's essentially a JavaScript library that enables Component Based Software Architecture .
Version First-Release Stable-Release <- Announcement
19 2024-04 2024-12-05 React v19

React has getting started documentation

2025, Jan 27.
Why is every React site so slow
. Theo t3.gg , YouTube .