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URL Inspection

https://codepen.io

UP

HTTP Status

200

Ping

1 ms

Technologies

4

Domain Owner Information

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Registrar

GANDI SAS

Created

February 26, 2012

13 years 247 days old

Expires

February 26, 2028

2 years 121 days left

Domain Status

Transfer Lock (Client)

Domain cannot be transferred to another registrar.

SSL/TLS Certificate

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Issued By

C=US, O=Google Trust Services, CN=WE1

Security Score
92 /100

Network & Hosting

View DNS Records
104.16.147.32 AS13335 Cloudflare

Technologies Detected

Cloudflare

CDN

Evidence
  • • CF-Ray header
  • • IP 104.16.147.32 → ASN 13335

Cloudflare

DNS Provider

Evidence
  • • Nameserver: albert.ns.cloudflare.com
  • • Nameserver: kristin.ns.cloudflare.com

Google

Email Provider

Evidence
  • • MX: aspmx.l.google.com
  • • MX: alt2.aspmx.l.google.com
  • • MX: alt1.aspmx.l.google.com
  • • MX: aspmx2.googlemail.com
  • • MX: aspmx3.googlemail.com

Google Trust Services

Certificate Authority

Evidence
  • • Google SSL certificate

Metadata & SEO

Title
CodePen: Online Code Editor and Front End Web Developer Community
Description
Build, share, and learn JavaScript, CSS, and HTML with our online code editor.
Keywords
javascript, css, editor, code, community, social, frontend, developer, designer, deploy, test, demo, spa, single, page, application, web, html, modern, ide, browser, pen, codepen
Language
en
Viewport
width=device-width

Social Media Cards

OpenGraph

Description
An online code editor, learning environment, and community for front-end web development using HTML, CSS and JavaScript code snippets, projects, and web applications.
Title
CodePen
Image
https://cpwebassets.codepen.io/assets/social/facebook-default-05cf522ae1d4c215ae0f09d866d97413a2204b6c9339c6e7a1b96ab1d4a7340f.png

Dependencies

🎨 Stylesheets (3)

  • • https://cpwebassets.codepen.io/assets/global/global-4c552521fc67172f930c95c8ef149c2b154f64fa33836c56c785fec636b1354e.css
  • • https://cpwebassets.codepen.io/assets/page/page-f0d7b495e63e1bc150e9d461c0ba20300ce8893aeb3cbf80995b95271e4720ae.css
  • • https://cpwebassets.codepen.io/assets/packs/css/everypage-836032f2.css

📜 Scripts (5)

  • • https://cpwebassets.codepen.io/assets/common/browser_support-2c1a3d31dbc6b5746fb7dacdbc81dd613906db219f13147c66864a6c3448246c.js
  • • https://cpwebassets.codepen.io/assets/packs/js/vendor-86cf3ca7c141ece8e9f9.chunk.js
  • • https://cpwebassets.codepen.io/assets/packs/js/3-1a61f8fcfb5bb832c2f7.chunk.js
  • • https://cpwebassets.codepen.io/assets/packs/js/everypage-f54cc99606cd8fd5f489.js
  • • https://cpwebassets.codepen.io/assets/packs/js/referrer-tracking-3023957ef831854a1933.js
Inspected on November 02, 2025 at 19:11 UTC