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Technologies

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Domain Owner Information

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Registrar

GANDI SAS

Created

November 12, 2019

5 years 351 days old

Expires

November 12, 2025

15 days left

Domain Status

Transfer Lock (Client)

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SSL/TLS Certificate

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Issued By

C=US, O=Let's Encrypt, CN=R13

Security Score
77 /100

Technologies Detected

DigitalOcean

DNS Provider

Evidence
  • • Nameserver: ns1.digitalocean.com
  • • Nameserver: ns2.digitalocean.com
  • • Nameserver: ns3.digitalocean.com

Google

Email Provider

Evidence
  • • MX: aspmx.l.google.com
  • • MX: alt2.aspmx.l.google.com
  • • MX: alt1.aspmx.l.google.com
  • • MX: alt3.aspmx.l.google.com
  • • MX: alt4.aspmx.l.google.com

Let's Encrypt

Certificate Authority

Evidence
  • • SSL certificate issuer

Vercel

CDN

Evidence
  • • X-Vercel-Cache header

Metadata & SEO

Title
CodeCrafters | Advanced programming challenges
Description
Real-world proficiency projects designed for experienced engineers. Develop software craftsmanship by recreating popular devtools from scratch.
Canonical URL
https://codecrafters.io
Viewport
initial-scale=1.0, width=device-width

Social Media Cards

OpenGraph

Type
website
Description
Real-world proficiency projects designed for experienced engineers. Develop software craftsmanship by recreating popular devtools from scratch.
Title
The Software Pro's Best Kept Secret.
Image
https://codecrafters.io/images/og-index.jpg?v=2
Url
https://codecrafters.io
Site Name
CodeCrafters

Twitter Cards

Description
Real-world proficiency projects designed for experienced engineers. Develop software craftsmanship by recreating popular devtools from scratch.
Title
The Software Pro's Best Kept Secret.
Image
https://codecrafters.io/images/og-index.jpg?v=2
Card
summary_large_image

Dependencies

🎨 Stylesheets (1)

  • • https://codecrafters.io/_next/static/css/7987a0c3cf27ad1d.css

📜 Scripts (11)

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  • • https://codecrafters.io/_next/static/chunks/webpack-c80502a228a1f4b4.js
  • • https://codecrafters.io/_next/static/chunks/framework-695e56344d65da02.js
  • • https://codecrafters.io/_next/static/chunks/main-71053fefb6096a29.js
  • • https://codecrafters.io/_next/static/chunks/pages/_app-7154dfac2a5950c9.js
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  • • https://codecrafters.io/_next/static/chunks/pages/index-4212e643a476ff0c.js
  • • https://codecrafters.io/_next/static/U7LB0BeZACQKEWLjhYHr8/_buildManifest.js
  • • https://codecrafters.io/_next/static/U7LB0BeZACQKEWLjhYHr8/_ssgManifest.js

🖼️ Images (100)

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  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fprofile-sarp-tiny.80a80de7.webp&w=3840&q=75
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  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Faws-white.6cf480e7.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fgoogle-white.807c6dfe.png&w=3840&q=75
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  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fstripe-white.58fea82d.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fdocker-white.411083be.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fcloudflare-white.2ad6951b.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fadobe-white.e5bc0904.png&w=3840&q=75
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  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fsalesforce-white.1a69e054.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fcoinbase-white.fb77666e.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fvercel-white.7bcd2376.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fnvidia-white.0d5ce2bf.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Froblox-white.ffd5712a.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fporsche-1-white.c371bae5.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fbookingcom-white.ba290592.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fsupabase-white.a9abfbe6.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fdeliveroo-white.482d03c3.png&w=3840&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
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  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
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  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
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  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
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  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
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  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fapple-white.246bb197.png&w=3840&q=75
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  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fraghav-dua.c3da6c7a.jpeg&w=1080&q=75
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fcoinbase-white.fb77666e.png&w=3840&q=75
  • • https://codecrafters.io/data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20version=%271.1%27%20width=%272584%27%20height=%272584%27/%3e
  • • https://codecrafters.io/data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
  • • https://codecrafters.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Frahul-tarak.2dd296f9.jpeg&w=3840&q=75

Resource Hints

preconnect

https://fonts.gstatic.com

Crossorigin: crossorigin

preload

https://codecrafters.io/_next/static/css/7987a0c3cf27ad1d.css

Type: style

Inspected on November 03, 2025 at 02:22 UTC