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Domain report

codility.com

codility.com ranks in the top 0.40% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 15 distinct hosts observed under it.

Explore codility.com in the Web Graph

Connectivity

#537,140harmonic-centrality rank
Top percentile
0.40%
Hosts observed
15

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://codility.com/ answered with HTTP 200.

DNS records

A
  • 44.210.12.211
  • 54.226.249.62
  • 52.73.41.252
AAAA
No records found.
MX
  • 1 aspmx.l.google.com.
  • 10 aspmx2.googlemail.com.
  • 10 aspmx3.googlemail.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
NS
  • ns-110.awsdns-13.com.
  • ns-1413.awsdns-48.org.
  • ns-1703.awsdns-20.co.uk.
  • ns-810.awsdns-37.net.

Live preview

Screenshot of codility.com

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since codility.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

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
max-age=600, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=63072000; preload
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
geolocation=(), microphone=(), camera=(), fullscreen=(), payment=()

What each security header does

Redirect chain

  1. 1.http://codility.com/HTTP 301

    → https://codility.com/

  2. 2.https://codility.com/HTTP 302

    → https://app.codility.com/

  3. 3.https://app.codility.com/HTTP 302

    → https://www.codility.com/

  4. 4.https://www.codility.com/HTTP 200

Meta tags

Title
Codility: Online Coding Tests & Technical Interviews
Description
The #1 online coding test & interview platform for enterprises. Assess technical talent with valid skill-based assessments and interviews.
Canonical
https://www.codility.com/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
auto-sizes 1.8.0
Open Graph title
Codility: Online Coding Tests & Technical Interviews
Open Graph description
The #1 online coding test & interview platform for enterprises. Assess technical talent with valid skill-based assessments and interviews.
Open Graph image
https://www.codility.com/wp-content/uploads/2026/05/social-media-preview.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Homepage 2026
Twitter image
https://www.codility.com/wp-content/uploads/2026/05/social-media-preview.jpg

robots.txt

Disallow rules (User-agent: *)
5
Disallow rules (other agents)
0

Sitemap declared:

  • https://app.codility.com/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    Found "wp-content/" in the page's HTML

  • Google Tag Manageranalytics

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

  • Cloudflare Bot Managementcdn

    Cookie set: __cf_bm

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