404 Not Found

Common causes

• A typo, an old link, or a page that was moved without a redirect.
• Case-sensitive paths on Linux servers (/About is not /about).
• A single-page app route with no server rewrite to index.html.
• The request reached the wrong virtual host or document root.

How to fix it

1. Check the exact path and add 301 redirects for moved pages.
2. For single-page apps, rewrite unknown paths to index.html.
3. Check the server block or virtual host that answered matches the hostname.