Importance: High
Error «5xx Error Pages: Server Error» Description
Indicates URLs that return a 5xx HTTP status code.
The Importance of the Problem
URLs returning a 5xx status code are included in the 'Broken pages' report, and also singled out in the '5xx Error Pages: Server Error' report since they are quite widespread. This status code means that the server cannot process the request.
Landing on such addresses, users see an error page instead of desired content, that's why they may consider the site low-quality and leave it.
When the site has lots of links to broken pages, search engines may also consider it low-quality and decrease its rankings in search results. Also if a lot of URLs returning 5xx status code appear when search robot crawls a website, the crawling speed can be drastically lowered, therefore important pages may not get into the search index. As a result, the site may lose search traffic.
How to Fix Error
Determine why the URLs are unavailable: e.g. their status code may be set incorrectly. If that is the case, adjust URL settings so the pages return the 200 OK status code.
If a lot of URLs returning the 5xx status codes appear during crawling, they might be unavailable due to a high load on a site. In such case, pause the crawling, decrease the number of threads in settings, set a delay between requests, and after that continue crawling. When crawling is complete, recrawl unavailable URLs: just select the URLs in the table and use the Ctrl+R shortcut.
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