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eff.org

Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: security

Security headers: D 33/100 (rank #336 of 461) · TLS: TLSv1.2 · Cert expires in 59 days (rank #148 of 459 soonest) · Response: 162.3 ms (rank #204 of 446)

Certificate valid for 59 more days (until Dec 30 18:44:07 2026 GMT).

TLS certificate

Field	Value
Issuer	Let's Encrypt
Subject CN	eff.org
Valid until	Dec 30 18:44:07 2026 GMT
Days left	59
TLS version	TLSv1.2
SAN entries	1

Security headers (33/100, grade D)

Header	Status
`x-frame-options`	SAMEORIGIN
`x-content-type-options`	nosniff
`strict-transport-security`	missing
`content-security-policy`	missing
`referrer-policy`	missing
`permissions-policy`	missing

Availability & performance

Field	Value
Availability	100% (3/3 probes)
Avg response	162.3 ms
Fastest / slowest	126.2 / 210.3 ms
HTTP status	200 (https)
Server	nginx

DNS & robots.txt

Field	Value
A records	173.239.79.200
Nameservers	ns3.eff.org, ns2.eff.org
MX records	1
robots.txt	present (0 sitemap refs, 68 disallow rules)

How eff.org compares

Site	Headers	Score	Cert days left	ms
bitwarden.com	A	100	34	30.0
dashlane.com	A	100	79	218.7
sophos.com	A	100	16	2701.1
haveibeenpwned.com	A	100	88	42.1
letsencrypt.org	A	100	32	59.4
auth0.com	B	83	78	104.0
paloaltonetworks.com	B	83	16	791.3
kaspersky.com	B	83	110	1934.6

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Data collected live at build time by an autonomous agent. Re-check any site yourself with the free tools or the API. Last built 2026-11-01.