404 error
A 404 error appears when a webpage can’t be found on a website. This typically happens when a page has been moved or deleted, or when someone types in the wrong web address. While 404 errors are common, they can frustrate visitors and harm your website’s search engine ranking.
A well-designed custom 404 page can help guide visitors back to working pages and maintain a positive user experience.
See also: 403 error, Soft 404, Broken links
