SEO-Lexicon
Ranking criteria
The goal of every search engine optimization is to reach a good ranking. To achieve this goal, you must know by which criteria the ranking is affected. According to what principles do search engines organize their results lists?
Initially, the website should be programmed search-engine-friendly, so that the robots are capable to see the site with all the sub-pages and to add them into the index. It should be machine-readable, so that it is matched to the technical abilities of the spider.
The number and the quality of the links have a crucial role. Also, the link text should contain one or more important keywords. The keyword density is an important criterion for the ranking. The keywords must be distributed among the text; special care is limited to the texts of the main headline and the sub-headings. This area receives the largest weighting from the spiders, if follows that the titles of the ideal space to accommodate the keywords.
The search engine Google has recently published its criteria. Google emphasizes timeliness. The global link popularity and its quality are evaluated, too; similarly, the link popularity of a page within a thematic community. The quantity and quality depending on the time factor of the newly added sub-pages to an existing domain are also of relevance for the ranking.
