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A set of rules that a search engine uses to rank the listings contained within its index, in response to a particular query. No search engine reveals exactly how its own algorithm works, to protect itself from competitors and those spamming the search engine.
When pages are removed from a search engine's index specifically because the search engine has deemed them to be spamming or violating search engine guidelines.
Also called a doorway page. A gateway page exists solely for the purpose of driving traffic to another page. They are usually designed and optimised to target one specific keyphrase. Gateway pages rarely are written for human visitors. They are written for search engines to achieve high rankings and hopefully drive traffic to the main site. Using gateway pages is a violation of most search engine guidelines and could be grounds for banning.
Text that is visible to the search engines but is invisible to humans. It is primarily used for the purpose of including extra keywords in the page without distorting the aesthetics of the page. Using hidden text is a violation of search engine guidelines and can be grounds for banning.
The percentage of your site’s pages included by the search index, calculated by dividing the number of pages found in a search index by the total number of pages you have estimated to be on your site. For example, if yahoo reports that you have 20 pages indexed, and your content management system has 40 pages in it, your yahoo inclusion ratio is 50 percent.
Also known as search index refers to the database of web pages maintained by a search engine or directory.
Pages that are included in a search engine's index. An important step in search engine optimisation in insuring your web sites pages are included, indexed, in the search engine databases. Search engines index pages through the spiders or robots.
A service offered by some search engines, such as Yahoo!'s premium service, that guarantees a Web site’s pages are stored in the search index in return for a fee. Paid inclusion does not guarantee high search rankings for those pages, just that the pages are included in the index and that the spider will frequently revisit the web site to keep the index up to date.
Guidelines provided by search engines to improve the ranking of web site. The guidelines describe the illicit practices that may lead to a site being banned. Link to Google guidelines.
A searchable index of web sites that is traditionally compiled by a spider that visits web pages and stores the information from each page in a database.
The work of increasing the traffic to a web site using either organic or pay per click advertising. Also known as web site marketing, Internet marketing and web site promotion.
The work of improving organic search rankings (not paid search) for a Web site and a set of keywords. Search engine optimization involves making the pages of a site more easily accessible to search engines spiders and clarifying the keywords relating to a web pages. Search engine optimization is also often referred to as SEO, search engine positioning and search engine promotion.
The starting point of any search engine software. An internal database used by search engines where they store every word found on every Web page, along with the list of pages that each word was found on. When a searcher enters a search query, the search engine extracts the search index to find all the pages that match the query, and then uses the ranking algorithm to order them by relevance.
Any search engine optimisation method that a search engine deems to be detrimental to its efforts to deliver relevant, quality search results. No firm definition are given and the search engines reserve the uni-lateral right to take action, for instance banning, against any web site Some search engines have written guidelines on spamming, but ultimately any activity deemed harmful may be considered spam, whether or not there are published guidelines against it. Example of spam include the creation of nonsensical doorway pages designed to please search engine algorithms rather than human visitors or heavy repetition of search terms on a page. Any form of hidden text meant for spiders. Determining what is spam is complicated by the fact that different search engines have different standards. A particular search engine may even have different standards of what's allowed, depending on whether content is gathered through organic methods versus paid inclusion. Also referred to as spamdexing. Ethical marketing is strongly recommended for long term marketing strategies.
A means of sending your data to a search engine, instead of having the spider crawl your site. Some niche search services and almost all shopping directories and search engines require the use of trusted feeds to load your data into their search index.
A search engine that focuses on a one topic. A niche web content site with a searchable search engine is a vertical market search engine.
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