12th June 2009
Google, Yahoo! and Microsoft have worked together to make improvements to the way in which Sitemaps are created and submitted to them by website owners.
These search engines now allow 50,000 Sitemaps to be submitted per Siteindex, up from 1,000 Sitemaps previously.
John Muller, webmaster trends analyst for Google Switzerland, said in a blog post that this "allows large sites to submit a theoretical maximum of 2.5 billion URLs with a single Sitemap Index URL".
The search engines have also updated the .xsd files with the XML schemas for Sitemap or Siteindex files.
This means that these updated files enable "better extensibility of the Sitemaps protocol", remarked Priyank Garg of Yahoo! Search.
Website owners submit Sitemaps to search engines to help them to find and index content that has been changed more quickly.
While this does not guarantee that a website will be completely crawled and indexed, Sitemaps help search engines to understand websites better, according to Mr Muller.
Category: Bespoke Web Design
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