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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.
Third-party companies that manage advertising agency's advertising listings on pay per click systems. Provides a means of extracting the best Return on Investment for complex over 10,000 keyword campaigns.
Search engines like google or other text-link advertising networks have expanded their network distribution to include contextual-inventory. Contextual or content inventory is when listings are displayed on pages of Web sites (usually not search engines), where the written content on the page indicates to the ad-server that the page is a good match to specific keywords and phrases. Google's Adsense(TM) advertising network generates a significant amount of traffic through contextual (not google search) inventory.
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.
Site Owners submit a page to request that it be listed in the directory, and say that they have a directory listing” when their submission is accepted Yahool Directory and Open Directory dmoz.org are the most famous examples of Web directories.
The links and associated descriptions on a search engine's results page in response to a search query.
The process submitting your web site to a search engine in order to be included in the index or directory. The submission does not guarantee listing or ranking. In addition, submission does not help with rank improvement on crawler-based search engines unless search engine optimization efforts have been taken. Submission can be done manually (i.e., you fill out an online form and submit) or automated, where a software program or online service may process the forms behind the scenes.
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