The 404 page will never be the glamorous part of a website, but it’s a small detail that shows if a website has been properly cared for.
A 404 page is usually presented as an embarrassment. Something has gone missing, and the best we can do is apologise, add a link to the home page and hope the visitor doesn’t leave.
That’s not enough though. The job of the 404 page is not to say “sorry”. Its job is to help visitors continue. That means thinking about the most likely next steps. Can we offer a site search box? Can we link to the main product or service categories?
There is also an SEO point. Broken links should only be coming from user or external mistakes. If useful pages have moved, redirects should be in place. This becomes even more relevant as Ai systems and search engines crawl sites in different ways. A messy website gives machines messy signals.
For larger sites, it is worth checking 404 reports regularly. Which missing URLs are being requested? That data often tells us where potentially simple fixes can recover traffic.