Google is the most prominent search engine that by far has the largest share of the search engine market. Google provides their Google Webmaster Guidelines to help website owners improve their search engine positioning while following the best practices of SEO.
Google has been able to maintain this large share of the search market by continuously updating its practices to ensure that its search results are the most relevant to the needs of the user. As the Internet and the way that people use it has evolved, the Google search engine algorithm has evolved along with it.
Because Google wants to rank the best possible sites, it has laid out a strict set of rules for all webmasters to abide by if they want to see their website content rank for relevant keyword searches in Google. This helps to eliminate the spam sites from the Google SERP (search engine results page) and ensures that only the websites that are doing things properly will see their sites appear prominently.
The Google Webmaster Guidelines outline the official best practices for website owners that want their site to be found, crawled, and indexed by Google. The Google Webmaster Guidelines are broken down into 3 key parts: design and content guidelines, technical guidelines, and quality guidelines.
The content guidelines outline how links should be used throughout the site and that links on a given page should be kept at a reasonable number. Content should be useful and information-rich and written for the end user, not stuffed with keywords for the Google spider. Display important names, content, and links with text instead of images so that the search spider can “see” it. Write descriptive
The technical guidelines outline how the Google spiders prefer to see a site from a technical perspective. These guidelines pertain to what is going on on the back end of the website. Even if a website looks good from a user perspective there are certain items that must be adhered to on the back end.