I’m having issue with my web app. It’s not playing when i do copy and paste the url into different browser or tab. What could be the issue?
amyegan
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.
