indexo.dev

css.dev

.dev crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 355 ms crawled 2026-05-07

US · 188.114.97.3 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
css.dev — CSS Intelligence Layer for AI Coding Tools
Description
Open-source AI skills that upgrade your AI coding tools to write expert-level modern CSS.
Language
en
Canonical
https://css.dev/

Open Graph

url
https://css.dev/
title
css.dev — Your AI writes CSS. We make it good.
locale
en_US
site name
css.dev
description
9 expert skills that upgrade every AI coding tool's CSS output.

Technology

CDN
Cloudflare
Fonts
  • Google Fonts

Third-party hosts loaded (2)

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

DNS records live

NS
  • doug.ns.cloudflare.com
  • jewel.ns.cloudflare.com

Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
policy: reject (enforced) · sp=reject
DKIM
Show 12 DKIM selectors
  • default: v=DKIM1; p=
  • google: v=DKIM1; p=
  • selector1: v=DKIM1; p=
  • selector2: v=DKIM1; p=
  • k1: v=DKIM1; p=
  • k2: v=DKIM1; p=
  • mail: v=DKIM1; p=
  • dkim: v=DKIM1; p=
  • s1: v=DKIM1; p=
  • s2: v=DKIM1; p=
  • mxvault: v=DKIM1; p=
  • smtpapi: v=DKIM1; p=
selectors probed

Certificate (current)

WE1
from 2026-03-30 to 2026-06-28
Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://css.dev/

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

Linked from (2)