From Fedora Project Wiki
Planet Fedora
Planet Fedora is a aggregation of blogs from world wide Fedora contributors at http://planet.fedoraproject.org
Joining Planet Fedora
The Fedora Infrastructure team administers the planet instance. Follow these instructions to aggregate your blog on Fedora Planet.
Test Matrix
We have put together a test matrix for the Planet's look and feel across browsers and platforms. Feel free to take a look at it, or help us to expand our coverage.
Reporting Bugs
If you have found a bug, please send an email to the Websites team including a description, screenshot (if you have one), browser name and version, and OS.