X is introducing a new version of its web app that it says is much faster than before, and it’s now rolling out the updated app “one country at a time” for signed-in users. “Open a profile on X.com over a slow connection,” principal engineer Yagiz Nizipli said in a blog post about the changes. “On the old web app, you’d stare at the X logo for more than 22 seconds before the first post appeared.