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Domain report

contractiontimer.io

contractiontimer.io ranks in the top 0.10% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore contractiontimer.io in the Web Graph

Connectivity

#133,549harmonic-centrality rank
Top percentile
0.10%
Hosts observed
1

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://contractiontimer.io/ answered with HTTP 200.

DNS records

A
  • 144.217.161.57
AAAA
No records found.
MX
No records found.
NS
  • ns1.dyna-ns.net.
  • ns2.dyna-ns.net.

Live preview

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

Domain registration (WHOIS / RDAP)

No RDAP (WHOIS) data is available for contractiontimer.io.

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
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
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://contractiontimer.io/HTTP 301

    → https://contractiontimer.io/

  2. 2.https://contractiontimer.io/HTTP 200

Meta tags

Title
Contraction Timer & Tracker App - Free Online Timer
Description
Free contraction timer and contraction tracker. Time duration and frequency online, then use the iPhone or Android app when you need 5-1-1 alerts.
Canonical
https://contractiontimer.io/
Robots
index, follow
Generator
Not set
Open Graph title
Contraction Timer & Tracker App - Free Online Timer
Open Graph description
Free online contraction timer and contraction tracker. Measure duration, frequency, and know when it may be time to go to the hospital.
Open Graph image
https://contractiontimer.io/data/images/contraction-timer-counter-tracker-app-IO.webp
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Contraction Timer & Tracker App - Free Online Timer
Twitter image
https://contractiontimer.io/data/images/contraction-timer-counter-tracker-app-IO.webp

robots.txt

Disallow rules (User-agent: *)
1
Disallow rules (other agents)
0

Sitemap declared:

  • https://contractiontimer.io/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

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