defensivecss.dev

.dev crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1140 ms crawled 2026-05-18

US · 172.67.178.109 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Defensive CSS
Description
Practical CSS and design tips that helps in building future-proof user interfaces.
Language
en
Feeds

Open Graph

url
https://defensivecss.dev/
title
Defensive CSS
description
Practical CSS and design tips that helps in building future-proof user interfaces.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ezra.ns.cloudflare.com
  • tia.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

WE1
from 2026-03-27 to 2026-06-25
Expires in 37 days

HTTP security headers

Header hygiene 45/100 Checked live page: https://defensivecss.dev/

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

Links to (6)

Linked from (2)