***Firefox 3.5
***Latest beta
=General=
*HTML validates: http://html5.validator.nu/
*l10n: other locales look fine (special chars, Unicode, etc.)
*Correct timestamps
=Performance/load testing=
*Doesn't tank on [http://developer.yahoo.com/yslow/ YSlow!] (Strive for an A with ruleset v2)
**CDN is hooked up, if needed (static images, CSS, JS, videos)
*Load-tested?
=Accessibility=
*Is the site generally accessible?
=Security=
*Runs on both HTTP / HTTPS? Mixed-content warnings?
**Check to see that third-party assets use relative paths, where possible
=Project/release-cycle=
*Has a Webdev bug, filed from https://intranet.mozilla.org/webtools/authenticate/login