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Domain report

tech.io

tech.io ranks in the top 0.065% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore tech.io in the Web Graph

Connectivity

#86,894harmonic-centrality rank
Top percentile
0.065%
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://tech.io/ answered with HTTP 200.

DNS records

A
  • 23.22.229.29
  • 32.193.69.81
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-1212.awsdns-23.org.
  • ns-1811.awsdns-34.co.uk.
  • ns-490.awsdns-61.com.
  • ns-694.awsdns-22.net.
AS
Server in network AMAZON-AES, AS14618 · United States23.22.229.0/24, which holds 23.22.229.29

Live preview

Screenshot of tech.io

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

Since tech.io 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)

No RDAP (WHOIS) data is available for tech.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;charset=UTF-8
Cache-Control
no-cache, must-revalidate, max-age=0, post-check=0, pre-check=0
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src data: 'unsafe-inline' 'unsafe-eval' https:; script-src data: 'unsafe-inline' 'unsafe-eval' https: blob:; style-src data: 'unsafe-inline' https:; img-src data: https: blob:; font-src data: https:; connect-src data: https: wss:; media-src https: blob:; object-src https:; child-src https: data: blob:; form-action https:; frame-ancestors 'self';
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://tech.io/HTTP 301

    → https://tech.io/

  2. 2.https://tech.io/HTTP 302

    → https://www.codingame.com/learn

  3. 3.https://www.codingame.com/learnHTTP 301

    → https://www.codingame.com/training

  4. 4.https://www.codingame.com/trainingHTTP 200

Meta tags

Title
Coding Games and Programming Challenges to Code Better
Description
CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code bots, learn from your peers, have fun.
Canonical
Not set
Robots
index, follow
Generator
Not set
Open Graph title
Coding Games and Programming Challenges to Code Better
Open Graph description
CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code bots, learn from your peers, have fun.
Open Graph image
https://files.codingame.com/codingame/codingame_share_pics_new.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Coding Games and Programming Challenges to Code Better
Twitter image
https://files.codingame.com/codingame/codingame_share_pics_new.png

robots.txt

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

No Sitemap declared in robots.txt.

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Google Tag Manageranalytics

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

Related domains

Similar connectivity

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