StatsMyWeb

Domain report

ui.dev

ui.dev ranks in the top 0.30% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 7 distinct hosts observed under it.

Explore ui.dev in the Web Graph

Connectivity

#399,310harmonic-centrality rank
Top percentile
0.30%
Hosts observed
7

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://ui.dev/ answered with HTTP 200.

DNS records

A
  • 104.21.81.115
  • 172.67.189.80
AAAA
  • 2606:4700:3033::6815:5173
  • 2606:4700:3034::ac43:bd50
MX
  • 1 aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
NS
  • graham.ns.cloudflare.com.
  • jasmine.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of ui.dev — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
public, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=63072000
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://ui.dev/HTTP 301

    → https://fireship.dev/

  2. 2.https://fireship.dev/HTTP 200

Meta tags

Title
Fireship | JavaScript, but fun.
Description
We help JavaScript developers make more money - and enjoy themselves in the process.
Canonical
https://fireship.dev/
Robots
Not set
Generator
Not set
Open Graph title
Fireship | JavaScript, but fun.
Open Graph description
We help JavaScript developers make more money - and enjoy themselves in the process.
Open Graph image
https://fireship.dev/images/default-og-image.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Fireship | JavaScript, but fun.
Twitter image
https://fireship.dev/images/default-og-image.jpg

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

Sitemap declared:

  • https://fireship.dev/sitemap.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Next.jsframework

    Found "_next/static/" in the page's HTML

Similar connectivity

Domains ranked just above and below it in the same snapshot.