A 404 page indicates a failed attempt to access something on the web—usually due to a broken link, a dead link, a typo in the address, or an outdated page that no longer exists.
A 404 page may seem like something negative, but it's actually a crucial part of good UI. It provides an opportunity to guide users back on track, maintain engagement, and offer helpful navigation options, ensuring a seamless user experience even when something goes wrong.
If you've ever wondered how to create a 404 page for your website, this guide is for you.