amyegan
(Amy Egan)
April 22, 2026, 9:40pm
4
A 404 error means the content can’t be found at that address. I wrote a debugging guide to help you figure out why the page doesn’t work the way you expected
Sometimes things don’t go as expected when deploying a website. If you see a 404 on your site, that means the page or resource couldn’t be found.
There are many possible causes, and the absence of something can be tricky debug if you don’t know where to look. Here are some things you can do to find the cause and fix it.
Debugging Tips
Check the error code
If you see a mostly white screen with 404: NOT_FOUND along with a Code and and ID then you can click the blue info box below the error deta…