html5test.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-15 · ok HTTP/1.1 200 5427 ms crawled 2026-05-06

US · 188.114.97.3 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: HTML5test - How well does your browser support HTML5?
Language: en

Open Graph

url: https://html5test.com
title: The HTML5 test - How well does your browser support HTML5?
site name: HTML5test.com
description: The HTML5 test score is an indication of how well your browser supports the upcoming HTML5 standard and related specifications. How well does your browser support HTML5?

Technology

CDN: Cloudflare

Third-party hosts loaded (1)

twitter.com×1

Social

Registration

Registrar

Realtime Register B.V.

Created

2010-03-08

Expires

2027-03-08 292 days left

Updated

2026-03-09

Name servers

eva.ns.cloudflare.com
jonah.ns.cloudflare.com

DNS records live

NS

eva.ns.cloudflare.com
jonah.ns.cloudflare.com

MX

10 in1-smtp.messagingengine.com
20 in2-smtp.messagingengine.com

TXT

google-site-verification=5vWFL1H7Ogb_DQMKt18AcgAoljV7ixWKBVJAtek1w5Y
v=spf1 include:spf.messagingengine.com ?all
MS=337BBAAFE6DE7AE2A3722FB9AAD0799344ED9559

Certificate (current)

WE1

from 2026-04-19 to 2026-07-18

Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://html5test.com/

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff