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Domain report

sleeper.app

sleeper.app ranks in the top 0.093% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 7 distinct hosts observed under it.

Explore sleeper.app in the Web Graph

Connectivity

#123,889harmonic-centrality rank
Top percentile
0.093%
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://sleeper.app/ answered with HTTP 200.

DNS records

A
  • 104.18.14.175
  • 104.18.15.175
AAAA
  • 2606:4700::6812:eaf
  • 2606:4700::6812:faf
MX
  • 1 aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
  • 32767 ms39626649.msv1.invalid.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
NS
  • dawn.ns.cloudflare.com.
  • hank.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of sleeper.app — 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
private, no-cache, no-store, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=15724800; includeSubDomains
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://sleeper.app/HTTP 301

    → https://sleeper.app/

  2. 2.https://sleeper.app/HTTP 307

    → https://sleeper.com/

  3. 3.https://sleeper.com/HTTP 200

Meta tags

Title
⚡ Scores - Sleeper
Description
Fastest live scores, standings, and player updates across NFL, NBA, CBB, MLB, NHL, and WNBA
Canonical
https://sleeper.com/scores
Robots
Not set
Generator
Not set
Open Graph title
⚡ Scores - Sleeper
Open Graph description
Fastest live scores, standings, and player updates across NFL, NBA, CBB, MLB, NHL, and WNBA
Open Graph image
https://sleepercdn.com/sleeper-web/public/web-public/images/og/og-image-scores.webp
Open Graph type
Not set
Twitter card
summary_large_image
Twitter title
⚡ Scores - Sleeper
Twitter image
https://sleepercdn.com/sleeper-web/public/web-public/images/og/og-image-scores.webp

robots.txt

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

Sitemap declared:

  • https://sleeper.com/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Next.jsframework

    X-Powered-By: Next.js

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

Related domains

Similar connectivity

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