What Is Search Engine Optimization?
Crawl-a-bility: describes a search engine's ability to access and read (i.e. crawl) the content on a website. If a site has no crawlability issues, then a search engine's web crawlers can access all of the site's content easily by following the links between pages.
In addition to Crawlability, you site should also include
"keyword relevant content" like landing pages, business descriptions and / or addresses, contact information, relevant blog articles, videos, and more. We must do all of this work so search engines like Google, Bing, and Yahoo can learn about the purpose of the site and better represent it in their search results.To win at search one must inevitably think like a search engine. But first, we must think like a customer...