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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 known as banning. The removal of a web page from a search engine or directory's index. Removal can occur as a result of a cleanup of dead links, as a penalty for spamming, or because of server issues at a site's host.
The ratio of a keyword term relative to all keywords on a page. For example, if you want your 200 word page to be found for the query "wallpaper" and your page contains 20 occurrences of that word, the keyword density of your page is 10 percent for the term "wallpaper". Generally, search engines consider pages with about 6 to 8 percent keyword density to be high quality pages. (Higher keyword densities are sometimes penalized as spamming.)
Also known as keyword stuffing, a spamming technique in which keywords are repeated excessively merely to attract the search engines.
Also known as keyword loading, a spamming technique in which keywords are repeated excessively merely to attract the search engines.
A spamming technique where webmasters create tens or hundreds of sites, usually with automated software, with the sole purpose that they be crawled by search engines, and putting thousands of links to sites they want to boost in search rankings.
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.
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