Seo tutorial

This eBook is aimed to the fresh webmasters whereas experienced webmasters can also find something useful here…
Common search engine principals are,
To understand SEO you need to be aware of the architecture of search engines cause they all contains components named spider, crawler, Indexer, database, result engine and web server which are defined below
Spider is a browser-like program that downloads webpage.
Crawler is a program that automatically follows all of the links on each webpage.
Indexer is a program that analyzes web pages downloaded by the spider and the crawler.
Database is a storage for downloaded and processed pages.
Results engine extracts search results from the database.
Web Server is responsible for interaction between the user and other search engine components.
Internal Ranking Several factors influences the position of a site in the search results. They can be divided into external and internal ranking factors. Internal ranking factors are those that are controlled by SEO aware website owners (Texts,Layouts,etc).
Amount of text on a page consist of just a few sentences is less likely to get to the top of a search engine list. Search engines favour sites that have a high information content. Generally, you should try to increase the text content of your site in in the interest of SEO. The optimum page size is 500-3000 words (or 2000-20,000 characters).