Audit check reachable · worth 15 of 100 points · all checks
The audit could not load the page at all, or the server returned a 4xx or 5xx status.
Nothing else can be measured until this works, which is why it carries the largest weight. It also means every real visitor sees the same failure, and search engines drop pages that keep returning errors.
curl -sS -o /dev/null -w '%{http_code} %{url_effective}\n' -L https://your-site.com/curl -sSI -L https://your-site.com/ | grep -iE '^(HTTP/|location:)'dig +short your-site.com; curl -sSI https://your-site.com/ | head -1The first command should print 200 or a 3xx that resolves to 200. Anything else is the bug.
A bare domain that answers on http but not https looks like a DNS problem and is usually a missing certificate or a proxy bound only to port 80.
Open an issue with your URL and a bot runs this check plus 14 others, posts the failures with the measured values, and publishes a report page: free audit. If you want the fixes applied and re-verified instead: fixed-price tiers.
The page is served over plain HTTP · The TLS certificate is expired or about to exp · No mobile viewport tag · The page title is missing or the wrong length · The meta description is missing or the wrong l · The page has no H1, or more than one · Images have no alt text · Responses are not compressed