Creating a 404 page on Neocities
A 404 page is the page your users see when they try to visit a link on your website that doesn't exist.
On Neocities, you can customize what yours looks like.
To edit this file, look for a file in your Home directory called not_found.html
If you do not have this file, you can create a file called not_found.html and it will "magically" work.
Without customization, the page looks like this:
You can make any changes you'd like to this page, as if it were any other webpage.