The process of collecting information about web pages is performed by an agent called a crawler, spider or robot.
What is search engine optimization? Search engine optimization is nothing but is an updating of html codes that are needed to make a website search engine friendly.
Search engine optimization is the techniques of attaining a higher ranking in search engines and directories via alteration of website code and copy to make the website more search-engine compatible.
All the search engines have different algorithms to follow. Content plays an important role for a website in order to get top search engine rankings. A website that has good content always has an upper hand on the search engine visibility.
Some of criteria by which a search engine crawler determines the site’s rank in a set of result include the following:
*Anchor text
*Site popularity
*Link context
*Topical links
*Title tags
*Keywords
*Site language
*Content
*Site maturity
Search engines want web site to be optimized and accurately represent the information they contain, so many search engines have a plethora of tools for the user to track SEO. One of the too is Google Analytics.
Concept of search engine optimization