But here's the site I use a lot to uncover what I can use in my web pages. Actually more often I'm there to figure out if some HTML is supported.
Check out http://caniuse.com/
We are working for browser support at Revwiretech so we are know something new.There are many browser in use in now technology but i want to know ]edge browser which features are different to all other browser.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic