The big news from Twitter’s Improving performance on twitter.com was the first step in backing away from hashbang (#!) URLs:
… our primary reason for this change is to improve initial page-load performance.
The first thing that you might notice is that permalink URLs are now simpler: they no longer use the hashbang (#!). While hashbang-style URLs have a handful of limitations, our primary reason for this change is to improve initial page-load performance.
I’m not surprised that they found doing one thing faster than doing that one thing plus four more.
I, like many others, are happy to see this go. Rafe Colburn put it this way:
It feels good to see terrible ideas die, even when it takes awhile.
Dion Almaer concludes:
It’s about the experience stupid.
Providing a good user experience with “traditional” methods is better than providing a poorer user experience using the hotest new trends.