The Bing and Google sitemap file size limit have both been raised by the search engines, though the number of URL limit remains the same…
Search engines Bing and Google announced together an increase in their sitemap file size limits, expanding the 10MB cap to 50MB. This allows users to have uncompressed versions of less than 50MB, a significant increase.
“While most sitemaps are under this 10 MB file limit, these days, our systems occasionally encounter sitemaps exceeding this limit. … Most often this is caused when sitemap files list very long URLs or if they have attributes listing long extra URLs (as alternate language URLs, Image URLs, etc), which inflates the size of the sitemap file,” Bing principal program manager Fabrice Canel explains.
The Bing and Google Sitemap File Size Limit are Jointly Raised by the Search Engines
Although the file size limit is larger, the 50,000 URL limit for each sitemap remains unchanged. The companies explain the move comes as a result of user need.
We’ve updated the Sitemaps protocol with Bing! Sitemaps & indexes can be considerably larger now. More at https://t.co/uygpuywUEh
— Google Webmasters (@googlewmc) November 30, 2016
“To address these evolving needs, we are happy to announce that we are increasing sitemaps file and index size from 10 MB to 50MB (52,428,800 bytes). Webmasters can still compress their Sitemap files using gzip to reduce file size based on the bandwidth requirement; however, each sitemap file once uncompressed must still be no larger than 50MB,” Canel wrote on the official Bing blog.
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