Guides
Beginner
Guides
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How to fix “Your connection is not private”
The browser does not trust the site’s certificate. What each NET::ERR_CERT code means, and how to fix it on either side.
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How to fix DNS_PROBE_FINISHED_NXDOMAIN
The browser asked DNS for the site’s address and was told the name does not exist. Check the spelling, your own DNS, then the…
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How to fix 404 Not Found errors on your site
A few 404s are normal. Sudden ones, or every page except the home page, point to a broken rewrite, a moved page or a…
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How to fix 403 Forbidden
The server found the page but will not show it. Usually file permissions, a missing index file, or a security rule. Here is how…