Search Engine Optimization or SEO, is focused on what can be done to your website to make it more visible to search engines. Search Engines have sophisticated formula they use to determine the order in which sites are listed when a search is performed. Understanding the basic elements of these formulae and tuning a Web site to capitalize on them is the basis of search engine optimization.
Common Search Engine Principles:
To understand SEO you need to be aware of the architecture of search engines. They all contain the following main components:
Spider: a browser-like program that downloads web pages.
Crawler: a program that automatically follows all of the links on each web page.
Indexer: a program that analyzes web pages downloaded by the spider and the crawler.
Database: storage for downloaded and processed pages.
Results engine: extracts search results from the database.
Web Server: a server that is responsible for interaction between the user and other search engine components.
Specific implementations of search mechanisms may differ. For example, the Spider+Crawler+Indexer component group might be implemented as a single program that downloads web pages, analyzes them and then uses their links to find new resources. However, the components listed are inherent to all search engines and the seo principles are the same.
Internal Ranking Factors:
Several factors influence 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 (text, layout etc) and will be described next.
Web Page Layout Factors:
Amount of text on a page.
Number of keywords on a page.
Keyword density and seo.
Location of keywods on a page.
Text format and SEO
Attractive title tag.
Keywords in links.
<Alt> attributes in images.
Description Meta tag.
Keywods Meta tag.
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Thegardenshedman — July 28th, 2010 at 7:50 pm