20 helpful websites for Joomla admins

In addition to extensions.joomla.org and forum.joomla.org, these sites are handy, helpful, useful resources for any Joomla admin toolbox.
Community
Linkedin.com/groups?gid=52867
The biggest and most active Joomla! group on Linkedin, with almost 2,000 members, this group is a great resource for Joomla! admins.
Extensions
Blog.joomlatools.eu
Almost a user-powered extension provider, you get to suggest new extensions and the team at JoomlaTools.eu might just build them.
Learning
Joomlatraining.com
All about real, in-person trainings.
Joomlaforbeginners.com
Video tutorials geared towards the novice user, but we could all probably learn something.
Howtojoomla.net
A great tutorial website.
News and Blogs
Joomocracy.com
Community-powered Joomla! news. Vote up if you like it, down if you don't.
Bestofjoomla.com
An absolute resource for Joomla!, full of template releases, news, extensions, and a helpful template filtering function.
Compassdesigns.net
A great blog about everything Joomla. One of the original players in the Joomla! world.
Joomlafeed.com
Compiled news from the Joomla! community. It is important to state this site doesn't collect all news, just good news sources.
Template Design
Joomlabased.com
You can use this site as inspiration for your own designs because it is full of Joomla-powered sites.
Smashingmagazine.com
Lots of design advice, inspiration and free icons.
Validator.w3.org
We should all strive to be XHTML compliant, this validator informs you which (if any) pieces of your site are not compliant.
Jigsaw.w3.org/css-validator
Same as above, but this site checks CSS validity.
Promotion
Google.com/webmasters/tools
More data than you can shake a stick at. Try the sitemap tools which lets you see how Google sees your Joomla! site.
Google.com/analytics
Data coming out the ears. It integrates well with Joomla! in addition to working well with Adwords, Adsense and Webmaster Tools.
Pagerank.info
There are bigger things to worry about than pagerank, but if you are interested, this AJAX powered tool is helpful and fast.
Mashable.com
A super-popular blog that helps you capitalize on social media to publicize your content.
Alledia.com
A Joomla! SEO powerhouse, Alledia offers some great tips on their blog as well as a paid SEO package.
Pingomatic.com
Ping all the major blog tracking sites with a single click. Bookmark the result page for easy access in the future.
Mailchimp.com
Promote your site with a free newsletter from Mailchimp.com (up to 600 emails per month), then some pretty inexpensive paid options follow.
