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who.int

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

Security headers: B 83/100 (rank #108 of 461) · TLS: TLSv1.3 · Cert expires in 56 days (rank #128 of 459 soonest) · Response: 70.3 ms (rank #87 of 446)

Certificate valid for 56 more days (until Dec 27 18:27:30 2026 GMT).

TLS certificate

Field	Value
Issuer	Google Trust Services
Subject CN	who.int
Valid until	Dec 27 18:27:30 2026 GMT
Days left	56
TLS version	TLSv1.3
SAN entries	1

Security headers (83/100, grade B)

Header	Status
`strict-transport-security`	max-age=31536000; preload
`content-security-policy`	default-src 'self' self watch.4am.ch .analysis.windows.net .clarity.ms *.nativechat.com
`x-frame-options`	SAMEORIGIN
`x-content-type-options`	nosniff
`referrer-policy`	no-referrer-when-downgrade
`permissions-policy`	missing

Availability & performance

Field	Value
Availability	100% (3/3 probes)
Avg response	70.3 ms
Fastest / slowest	57.4 / 87.5 ms
HTTP status	200 (https)
Server	cloudflare

DNS & robots.txt

Field	Value
A records	192.133.11.1
Nameservers	ext-dns-2.cern.ch, ns1.wpro.who.int, whqdns1.who.int, whqdns2.who.int
MX records	1
robots.txt	present (1 sitemap refs, 527 disallow rules)

How who.int compares

Site	Headers	Score	Cert days left	ms
everydayhealth.com	B	83	122	1023.3
nih.gov	C	67	106	629.0
nhs.uk	C	67	76	1017.2
webmd.com	F	17	59	441.1
healthline.com	F	17	124	105.4
cdc.gov	F	17	138	1267.9
medicalnewstoday.com	F	17	124	133.0
mayoclinic.org	F	0	166	729.2

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Show your grade in your README (free, auto-updates):

[![security](https://pseo.rovy.tech/api/v1/badge?url=https://who.int)](https://pseo.rovy.tech/sites/who-int.html)

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.