If your web site intends to keep up with Google the basics are a good place to start. The entire article is below but to bullet some of the important stuff...
- Keep your content fresh-Google hates static web pages and stale content. Updates to content should be made on a regular basis.
- The 401 on the 404 is to not worry about it.
- Get a second pair of eyes to review content, and maybe a third or fourth.
- Google hates a site riddled with obtrusive advertising!ME TWO!
And for the rest of the story....
Did a New Google Panda Hit the Web? - SiteProNews: People trying to keep up with Google’s algorithm updates should have access to a warning that reads: “Caution. May cause whiplash!” Google is many things –