Troubleshooting KB

file-permissions htaccess site-down

Site Down – 403 Forbidden on Every Page

Every URL returns '403 Forbidden' instead of content, including the homepage, while the server itself is up.

Read the fix → htaccess redirect-loop site-down ssl

Site Down – Too Many Redirects (ERR_TOO_MANY_REDIRECTS)

The browser refuses to load any page and reports a redirect loop, usually after an HTTPS, www, or domain change.

Read the fix → gateway-error resource-overload site-down timeout

Site Down – Intermittent 502/504 Gateway Errors Under Load

Pages load fine most of the time but return '502 Bad Gateway' or '504 Gateway Timeout' during traffic spikes or…

Read the fix → core-files corruption site-down

Site Down – Core WordPress Files Missing or Corrupted

SFTP/file manager shows wp-admin, wp-includes, or wp-load.php missing, renamed, or zero-byte after a bad update/restore.

Read the fix → domain site-down

Site Down – Domain Expired

DNS lookup fails and registrar/WHOIS shows the domain has lapsed or is in a redemption period.

Read the fix → htaccess site-down

Site Down – Corrupted or Misconfigured .htaccess File

500 Internal Server Error, server error log references .htaccess syntax; renaming it temporarily restores access.

Read the fix →