Error 404 - Page not found

404 Error means "Page not found". This message is provided to the browser or search engine from the host when the contents of the accessed page cease to exist. To detect and fix 404 errors, use error detection tools and plugins. As mentioned earlier, additional plugins may adversely affect the speed of the site, so it is recommended to run the resource via external tool for error detection. For example, Xenu's Link Sleuth, Google Webmaster Tools (GWT), and 404 Redirect plugin for WordPress

Website operators need to block HTTP 404 pages. This applies not only to the external 404 error page of other sites, but also to the internal 404 error page of your website. There are many free tools to help you find these broken links more easily. The most well-known are: Google Search Console (formerly known as "Google Webmaster Tools"): If you already have a Google Account and have registered your site there, Google Search You should use console options. The 404 errors detected by the Google crawler can be displayed in the Web tool or marked as fixed here. For other features, you can find errors in your robots.txt file and use crawl statistics to calculate how often Google crawlers crawl your site.

You know the page: you click the link, but it will not display the desired website, but instead an error pops up stating that the requested page is not available. Contents of "404 not found". The 404 error is a standardized HTTP status code. Messages are sent to a web browser (usually a client) that sends HTTP requests from the online web server. The browser will display this error code. Because the operator does not know that the content of the link has been deleted or moved, the dead link is usually held for a long time. Many websites still appear in the Search Engine Results Page (SERP) even if they are no longer online (or at least not at the specified URL). Other linked sites (such as blogs, news portals, etc.) are usually not informed that the site has been deleted or found under a new URL. Many web site operators do not periodically check their external links, so functional links can easily be deadlines.