indexo.dev

theme-ui.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-04 · ok HTTP/1.1 200 2590 ms crawled 2026-05-07

US · 216.150.1.65 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Theme UI
Description
The Design Graph Framework
Language
en-US
Generator
Gatsby 5.13.7

Technology

CDN
Vercel
CMS
Gatsby

Third-party hosts loaded (5)

  • badgen.net×5
  • img.shields.io×5
  • cdn.jsdelivr.net×2
  • percy.io×1
  • unpkg.com×1

Social

Registration

Registrar
Squarespace Domains II LLC
Created
2019-06-04
Expires
2026-06-04 16 days left
Updated
2025-05-20
Name servers
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com

DNS records live

NS
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com

Email authentication no MX

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

Certificate (current)

R12
from 2026-05-02 to 2026-07-31
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://theme-ui.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000

Links to (6)

Linked from (1)