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Domain report

codecademy.com

codecademy.com ranks in the top 0.00079% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 32 distinct hosts observed under it.

Explore codecademy.com in the Web Graph

Connectivity

#1,055harmonic-centrality rank
Top percentile
0.00079%
Hosts observed
32

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

DNS records

A
  • 104.17.184.120
  • 104.17.183.120
AAAA
  • 2606:4700::6811:b878
  • 2606:4700::6811:b778
MX
  • 5 codecademy-com.mail.protection.outlook.com.
NS
  • arnold.ns.cloudflare.com.
  • serena.ns.cloudflare.com.
AS
Server in network CLOUDFLARENET, AS13335 · United States104.17.184.0/24, which holds 104.17.184.120

Live preview

This is a live, sandboxed embed of codecademy.com — 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=31536000; includeSubDomains; preload
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://codecademy.com/HTTP 301

    → https://www.codecademy.com/

  2. 2.https://www.codecademy.com/HTTP 200

Meta tags

Title
Learn to Code - for Free | Codecademy
Description
Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).
Canonical
https://www.codecademy.com/
Robots
Not set
Generator
Not set
Open Graph title
Learn to Code - for Free | Codecademy
Open Graph description
Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).
Open Graph image
https://images.codecademy.com/social/logo-codecademy-social.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Learn to Code - for Free | Codecademy
Twitter image
https://images.codecademy.com/social/logo-codecademy-social.png

robots.txt

Disallow rules (User-agent: *)
6
Disallow rules (other agents)
0

Sitemap declared:

  • https://www.codecademy.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

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