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preactjs.com

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

Security headers: F 0/100 (rank #416 of 461) · TLS: TLSv1.3 · Cert expires in 55 days (rank #119 of 459 soonest) · Response: 159.0 ms (rank #202 of 446)

Certificate valid for 55 more days (until Dec 26 12:23:53 2026 GMT).

TLS certificate

Field	Value
Issuer	Google Trust Services
Subject CN	preactjs.com
Valid until	Dec 26 12:23:53 2026 GMT
Days left	55
TLS version	TLSv1.3
SAN entries	2

Security headers (0/100, grade F)

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

Availability & performance

Field	Value
Availability	100% (3/3 probes)
Avg response	159.0 ms
Fastest / slowest	154.7 / 162.0 ms
HTTP status	200 (https)
Server	cloudflare

DNS & robots.txt

Field	Value
A records	104.21.61.148, 172.67.211.118
Nameservers	kara.ns.cloudflare.com, rick.ns.cloudflare.com
MX records	3
robots.txt	present (0 sitemap refs, 1 disallow rules)

How preactjs.com compares

Site	Headers	Score	Cert days left	ms
nextjs.org	B	83	51	110.5
djangoproject.com	B	83	84	117.4
spring.io	C	67	146	101.6
remix.run	C	67	68	67.0
vuejs.org	C	50	44	70.3
laravel.com	C	50	65	293.8
flask.palletsprojects.com	D	33	31	190.4
fastapi.tiangolo.com	D	33	83	103.1

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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.