: Google webmaster showing error 404 of the URLs I have never created In the Search console of Google webmaster, I am getting "Not found" in URL Errors in an extent having suffix /%EF%BB%BF.

@Si4351233

One misstake webmasters make is assuming that because they are getting 404 errors that there is a problem with their site or that there is an attack on their site when neither more that likely is the case. 404's can be caused simply my a user mis-spelling the URL or in the case if an inbound link which Google has detected on another site there being an issue with the way that the link was added to the page. In this particular case with the malformed suffix the way you have shown that would indicate to me that wherever that link exists on the site whatever CMS they are using or software to generate the link had a glitch and rendered the link incorrectly which Google then picked up. Google was unable to tell that the link was a malformed link and so tried to crawl that page anyway. As a 404 error was returned Google worked out that the page doesn't exist and so gave you a warning on it in case the link was meant to exist and left it at that. Google doesn't penalize 404 errors on websites as it is well accepted that due to the nature of the internet and there being no feedback between links which are added to third party sites and your own site that there is no way to prevent 404 errors from occurring. The fact that your site returned a correct hard 404 and not a soft 404 (200 OK status with a HTML page that says Page Not Found) Google accepts that. It is soft 404's that cause issues and can cause ranking issues for your site as it appears to be duplicate content.

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