Webmasters and content providers began optimizing websites for search engines in the mid-1990s, Figura the first search engines were cataloging the early Web. Initially, all webmasters only needed to submit the address of a page, or URL, to the various engines, which would send a web crawler to crawl that https://allbookmarking.com/story17602529/panel-de-control-seo-no-hay-m%C3%A1s-de-un-misterio