SEO and Usability
The secret benefit of search engine optimisation: Increased usability
How a website optimised for search engines also improves its usability.
You had me at the search engine
Follow this advice and your site users will be able to find the information you want them to find.
Search Engine Optimisation (SEO) without usability - an exercise in futility
There's not much point in getting to the top of the search engines if people can't find what they're looking for once they get to your website.