Webmasters and content providers began optimizing websites for search engines in the mid-1990s, Campeón 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://josuexpfui.wikinewspaper.com/3114603/verificador_seo_cosas_que_debe_saber_antes_de_comprar