Ranked in these QuestionsQuestion Ranking
Pro Written by experienced & well known Blender artist
Andrew Price, the author behind Blender guru, has been using Blender since 2004. He started Blender Guru in 2009, and now works with Blender3D as his day job as well.
His work/tutorials are very well know.
Pro Frequently updated
The site is updated with a new tutorial every month or so.
Pro Covers a variety of topics
There are tutorials for themes, textures, and helpful advice (such as how to recover lost work).