In an ideal world we would never need them, but 404 pages are necessary to alert visitors that a page has gone AWOL without panicking them. Web design is all about the user experience, so spending at least a little time on error pages is well worthwhile. For those who don’t know, a 404 page is an error page that is displayed when a requested page has been moved, deleted, or renamed. Often deliberately, more often accidentally. It tells the user that something is wrong, and to move on. How we [...]