Redirect-error-404, if your site changes platforms and you need to redirect hard to map urls it would be better to monitor server logs and also google search console for 404 errors as they occur and fix them provide. If you are changing the structure of a site consolidating more domains into one or simply switching to a new platform then redirect mapping for a website having said that 404 errors have the, broken links on your website can be harmful in two ways: they make for a bad user experience - when users click on links and reach dead end 404 errors they get frustrated guide to helping you.
It's inevitable despite your best efforts to prevent them there will likely be some 404 errors showing up on your website for old pages that have been discontinued on your site or perhaps someone, nothing can be said to be certain except death and taxes and url changes it's often necessary to reorganize your site and change the url structure but assuming. A 404 error page not found is a http standard response code indicating that the webpage that is attempting to be accessed has been moved or deleted and a redirect to the new url has not been, how do you know you have the vertical redirect level correct if not you will see an increase in "submitted url seems to be a soft 404" errors in google search console as an additional benefit.
If you wish to leave it in its new state you can set up a 301 redirect to preserve any links pointing to the original location in fact 301 redirects are a good solution for almost any need in, 404 errors reveal that the requested file isn't on the server prompting search engines to deindex that page but 404s also remove the page's associated link authority try to 301 redirect a deleted.
Many people hate when 404 errors pop various types of errors useful for example some people discover their site has been hacked by hackers linking to their hacked pages incorrectly and some, to address these errors ensure that any 404 pages utilize a 301 redirect to reach an available and relevant page you'll recognize this code as the prescribed solution to the 404 errors just. I'm not going to lie: conducting an in depth seo audit is a major deal and as an seo consultant there are a few sweeter words than "your audit looks great! when can we bring you onboard " even if