SEO Glossary

Here are some words or acronyms used in SEO

Cloaking Technique allowing to provide a different page to the search engines which index a site from that visible by a Net surfer. Regarded as spamdexing, it is prohibited by the search engines.
"link:" command Google's tool giving the number of pages linking to another. Attention, only a part is actually given, the less popular pages are not counted in these results, even though they are counted in the PageRank's computation. This type of search cannot be combined with other search.
DMOZ Name of the directory of the ODP project (Open Directory Project), managed by thousands of voluntaries, freely used by many other sites, including Google.
Google Dance Corresponds to the period of the month at which Google updates the values of PageRank of the pages indexed in its base. This one generally starts at the end of the month and lasts one week. During this time, the ranking of a Web page in the results of a search goes up or down (you understand why it is called a dance). It is the same for its visible PageRank in Google Toolbar. According to the geographical area of the Net surfer, one of the thousands of servers of Google will give the results to the search, which will differ according to whether this server is updated or not.
We developed a tool allowing to simultaneously search the 3 index (www, www2 and www3) to anticipate during the "dance" the future results of Google.
Googlebot Name of the indexing robot of Google, which scans the Web from link to link looking for new pages. You may know if googlebot came to visit your site by looking at the log files of your server.
ODP Open Directory Project. Project of directory DMOZ, managed by thousands of voluntary, freely used by many other sites, of which Google.
Orphan A page is known as orphan if no other establishes a link towards it. If his URL were not connait, one can never fall above, so that in general it is not indexed by the search engines.
PageRank
(PR)
Index of popularity of a Web page, calculated according to a very sophisticated algorithm, worked out by Google. By abuse language, PageRank of a site is (in general) that of the URL principal (that can thus be different from PageRank of the banner page).
Hidden pages When Google explores the Web, googlebot creates a copy of each examined page and stores it in a memory hiding place, which makes it possible to consult this copy constantly, and in particular if the original page (or Internet) would be inaccessible. When you click on the bond "Copies hidden" of a Web page, Google posts this one in the state where it was during its most recent indexing. In addition, the hidden contents are that on which Google is based to determine if a page is relevant for your requests.
SERP Search Engine Results Pages
Spamdexing In reference to the Spam, together of the techniques aiming at cheating in order to improve referencing of a site in the search engines. Examples: multiple tenders, repetitions of key words, pages satellite, duplication of pages, cloaking, etc.
www Refers to the official index of Google, accessible on www.google.com
www1 (resp. www2 and www3) Refers to an not-official index of Google, accessible on www1.google.com (resp. www2.google.com and www3.google.com). At this address, the data used for research correspond to those of a temporary base during the updates. At the end of the update, the official base is made up starting from the temporary bases. It should be noted that since 2002, www1 is not accessible any more.
We developed a tool allowing simultaneously to question the 3 www indices, www2 and www3 to anticipate during the "dance" the future results of Google.

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