Url Canonicalization

URL normalization (or URL canonicalization) is the process by which URLs are modified and standardized in a consistent manner. The goal of the normalization process is to transform a URL into a normalized or canonical URL so it is possible to determine if two syntactically different URLs may be equivalent.Search engines employ URL normalization in order to assign importance to web pages[clarify] and to reduce indexing of duplicate pages. Web crawlers perform URL normalization in order to avoid crawling the same resource more than once. Web browsers may perform normalization to determine if a link has been visited or to determine if a page has been cached.
Posts about Url Canonicalization
  • SEO and 11 Years of Google Algorithm Updates

    … how non-canonical URLs (www vs. non-www) and duplicate content were treated. It was also the first appearance of “GoogleGuy,” the Matt Cutts persona we know today. Big Daddy – 2005 This update rolled out in December, but continued to rollout until March of 2006. This impacted URL canonicalization, site redirects and other related items. Buffy…

    Chad Pollitt/ Relevancein SEO Google- 27 readers -
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