html5boilerplate.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-16 · ok HTTP/1.1 200 106 ms crawled 2026-05-10

US · 172.67.70.225 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title: HTML5 Boilerplate: The web’s most popular front-end template
Description: HTML5 Boilerplate is a professional front-end template for building fast, robust, and adaptable web apps or sites. Spend more time developing and less time reinventing the wheel.
Language: en-US

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

Registration

Registrar

Squarespace Domains II LLC

Created

2010-07-17

Expires

2026-07-17 57 days left

Updated

2025-07-02

Name servers

lara.ns.cloudflare.com
todd.ns.cloudflare.com

DNS records live

NS

lara.ns.cloudflare.com
todd.ns.cloudflare.com

MX

0 _dc-mx.00e406072804.html5boilerplate.com

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-03-21 to 2026-06-19

Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://html5boilerplate.com/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy