debuggingcss.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 801 ms crawled 2026-05-18

US · 104.21.74.101 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Debugging CSS
Description
An ebook with lots of tips and techniques on how to debug CSS the right way with easy and studied methods.
Language
en

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • cdn.paddle.com×1
  • fonts.googleapis.com×1
  • use.typekit.net×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
Name.com, Inc.
Created
2020-06-11
Expires
2026-06-11 22 days left
Updated
2025-05-19
Name servers
  • ezra.ns.cloudflare.com
  • tia.ns.cloudflare.com

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://debuggingcss.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

Links to (2)

Linked from (3)