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Domain report

subturtle.app

subturtle.app ranks in the top 0.24% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore subturtle.app in the Web Graph

Connectivity

#320,847harmonic-centrality rank
Top percentile
0.24%
Hosts observed
3

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://subturtle.app/ answered with HTTP 200.

DNS records

A
  • 199.36.158.100
AAAA
No records found.
MX
No records found.
NS
  • marek.ns.cloudflare.com.
  • pat.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of subturtle.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
no-cache, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31556926
X-Frame-Options
Not sent
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://subturtle.app/HTTP 301

    → https://subturtle.app/

  2. 2.https://subturtle.app/HTTP 200

Meta tags

Title
Subturtle: learn English from YouTube and Netflix, then speak it
Description
Select text on any web page, or hover a YouTube or Netflix subtitle, to see it in your language. Then review it and practice it out loud with an AI coach.
Canonical
https://subturtle.app/
Robots
index, follow
Generator
Not set
Open Graph title
Subturtle: learn English from YouTube and Netflix, then speak it
Open Graph description
Select text on any web page, or hover a YouTube or Netflix subtitle, to see it in your language. Then review it and practice it out loud with an AI coach.
Open Graph image
https://subturtle.app/og.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Subturtle: learn English from YouTube and Netflix, then speak it
Twitter image
https://subturtle.app/og.jpg

robots.txt

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

Sitemap declared:

  • https://subturtle.app/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Nuxtframework

    Found "/_nuxt/" in the page's HTML

Related domains

Similar connectivity

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