Google is working to prevent this type of crawl error. In this case, the link may appear as a 404 (Not Found) error in the Crawl Errors report. When Googlebot sees this code, it might try to crawl the URL, even though it's not a real page.
GENERAL HTTP ERROR 404 NOT FOUND HTTP ERROR 404 CODE
For example, your site may use code like this to track file downloads in Google Analytics: If it's a very common error, you might create a redirect for it.Īnother reason for unexpected URLs might be generated by Googlebot trying to follow links found in JavaScript, Flash files, or other embedded content, or possibly that exist only in a sitemap. These errors can occur when someone browses to a non-existent URL on your site - perhaps someone mistyped a URL in the browser, or someone mistyped a link URL. If the URL is unknown: You might occasionally see 404 errors for URLs that never existed on your site.Such pages are called soft 404s, and can be confusing to both users and search engines. Returning a code other than 404 or 410 for a non-existent page (or redirecting users to another page, such as the homepage, instead of returning a 404) can be problematic. Currently Google treats 410s (Gone) the same as 404s (Not found). If you have permanently deleted content without intending to replace it with newer, related content, let the old URL return a 404 or 410.If the content has moved, add a redirect.Inspect the URL to see where it was submitted from by clicking the submit icon next to the URL and look at the Discovery information.If the URL was submitted for indexing, (the status is Error),.404 errors should be dropped from the report after about a month. It might bother you to see it on your report, but you don't need to fix it, unless the URL is a commonly misspelled link (see below). If it is a bad URL generated by a script, or that never have existed on your site, you probably don't need to worry about it.The report should stop showing the 404 after about a month. If it is a deleted page that has no replacement or equivalent, returning a 404 is the right thing to do.If it is a submitted URL (an error), it is worth fixing.
Many (most?) 404 errors are not worth fixing because 404s don't harm your site's indexing or ranking. It’s important to make sure that these and other invalid URLs return a proper 404 HTTP response code, and that they are not blocked by the site’s robots.txt file. In general, 404 errors won’t impact your site’s search performance, and you can safely ignore them if you’re certain that the URLs should not exist on your site.
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