The document contains guidance on search engine optimization (SEO) principles and best practices. It discusses important on-page factors like keywords, metadata, and site structure as well as off-page factors like links and anchor text. It also provides tips for SEO processes like analyzing a site, tracking progress, and optimizing based on findings. The overall message is that SEO requires an ongoing process of analysis, monitoring, and optimization to improve a site's rankings and visibility.

19. Search Engine How it works? Spider : Search engines run programs to download pages by following links. Index : Once downloaded, the search engine will build an Index by extracting information from the documents. Serve : When a search is performed, software sifts through the index to produce the most relevant results according to the algorithm. Internet crawler DB Webmap DB Index Query Analyzer FE

20. Search Engine How it ranks? Search Ranking Popularity = Link Popularity (LP) (also called LinkFlux, Page Rank, connectivity, WebRank etc) Measures the popularity of a given webpage based on the number of inbound links to that web page, both internal and external. Content = Information Rank (IR) Scores a webpage for it’s content, a measurement of a pages relevance for a given keyword. TF/IDF & document hierarchy

27. Search Engine SEO Process Analyze Track Optimize Analyze the site for problems - Missing keyword repetition - Poor keyword choices - Content duplication - CMS related issues Monitor progress in key areas - Rankings increase? - More pages indexed? - More referrals? Optimize based on analysis - Change keywords - Repeat target words - Modify CMS to accommodate SEO - Delete duplicates On going process