48Poor

readthedocs.io

scanned 4/9/2026 in 0.6s

A+

SSL

Headers

✓

Valid certificate from Google Trust Services

Expires: 6/29/2026 (81 days)

✓

Protocol: TLSv1.3

Key: 256 bits

SANs: readthedocs.io, *.readthedocs.io

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!SSL certificate expires in 81 days
!No HTTPS redirect — traffic is unencrypted
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!No HSTS header — browsers won't enforce HTTPS
!Security headers grade F — most headers missing

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