Search engine optimization (SEO) History

Webmasters and content providers began optimizing sites for search engines in the mid-1990s, as the first search engines were cataloging the early Web. Initially, all webmasters needed to do was to submit the address of a page, or URL, to the various engines which would send a "spider" to "crawl" that page, extract links to other pages from it, and return information found on the page to be indexed.[5] The process involves a search engine spider downloading a page and storing it on the search engine's own server, where a second program, known as an indexer, extracts various information about the page, such as the words it contains and where these are located, as well as any weight for specific words, and all links the page contains, which are then placed into a scheduler for crawling at a later date.

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  • A difficult problem with writing a history of search engine optimization (SEO) is the obscure etiology of its birth. By default, the term search engine optimization implies a relevant history must be considered after the development of search engines. A troublesome aspect of this implication is the fact that search engines and the Internet did not always have their modern form. For example, the Internet arguably can trace its roots back to 1958 when AT&T introduced the first commercial modem, enabling remote computers to communicate over ordinary telephone lines. While the Internet’s technical roots were already in use, the term “Internet” did not actually come into existence until December 1974 when the term was adopted in Request for Comments (RFC) 675 published on the Internet Transmission Control Program. Around this same time, “an Internet” gained more common use as ARPANET was interlinked with NSFNet to mean any internetwork using TCP/IP.
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