Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.26.5.157 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.26.5.157
Server Software cloudflare
CDN Cloudflare
Compression gzip
Performance
| DNS Lookup | 10.5 ms |
| TCP Connect | 12.4 ms |
| TLS Handshake | 7.5 ms |
| Time To First Byte (TTFB) | 157.6 ms |
| Content Download | 0.6 ms |
| Total Response Time | 158.1 ms |
DNS Lookup 10.5 ms
TCP Connect 12.4 ms
TLS Handshake 7.5 ms
Time To First Byte (TTFB) 157.6 ms
Content Download 0.6 ms
Total Response Time 158.1 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=300; |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ ALLOW-FROM https://apps.facebook.com |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=300;
CSP ✔ Configured
X-Frame-Options ✔ ALLOW-FROM https://apps.facebook.com
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | CodeChef - Learn and Practice Coding with Problems |
| Meta Description | Learn coding with our free and beginner friendly courses on Python, Java, C, C++, Data structures, Algorithms, SQL. Solve our collection of 1000s of problems to practice coding. |
| Canonical | https://www.codechef.com |
| Robots Meta | index, follow |
| Open Graph Title | CodeChef | CodeChef: Practical coding for everyone |
| Open Graph Description | CodeChef | CodeChef: Practical coding for everyone |
| Open Graph Image | https://cdn.codechef.com/sites/all/themes/abessive/cc-log... |
Title CodeChef - Learn and Practice Coding with Problems Meta Description Learn coding with our free and beginner friendly courses on Python, Java, C, C++, Data structures, Algorithms, SQL. Solve our collection of 1000s of problems to practice coding. Canonical https://www.codechef.com Robots Meta index, follow Open Graph Title CodeChef | CodeChef: Practical coding for everyone Open Graph Description CodeChef | CodeChef: Practical coding for everyone Open Graph Image https://cdn.codechef.com/sites/all/themes/abessive/cc-log... Detected Technologies
| Technology | Drupal jQuery Google Analytics Google Tag Manager Cloudflare |
Technology Drupal jQuery Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Date
| Thu, 27 Aug 2026 22:32:28 GMT |
| Content-type
| text/html; charset=utf-8 |
| Server
| cloudflare |
| Vary
| Accept-Encoding |
| X-drupal-cache
| MISS |
| Last-modified
| Thu, 27 Aug 2026 22:32:28 +0000 |
| Cache-control
| no-cache, must-revalidate, post-check=0, pre-check=0 |
| Server-timing
| cfEdge;dur=20,cfOrigin;dur=106 |
| Set-cookie
| SESS93b6022d778ee317bf48f7dbffe03173=98444ca955ad76938cb6e255bac39067; expires=Sun, 20-Sep-2026 02:05:48 GMT; Max-Age=2000000; path=/; domain=.codechef.com; secure; HttpOnly |
| Access-control-allow-credentials
| true |
| Access-control-allow-methods
| GET |
| X-frame-options
| ALLOW-FROM https://apps.facebook.com |
| Content-security-policy
| frame-ancestors https://apps.facebook.com; |
| Strict-transport-security
| max-age=300; |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=6RMZJHKXK9oTweZzZgftSPJ2Z3GDIFWRJoQ9N8Z7UqZx27hMuSOYS%2BJ6Dy6UFxo%2F4S8deBOIyn%2BozT4dCr4SvmNFkV0LFjBGFJ1OPeRMB0qZyRHxeLditqadP7ecNw60QLcoltxpE0y327%2BwMMI%3D"}]} |
| Cf-cache-status
| DYNAMIC |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Speculation-rules
| "/cdn-cgi/speculation" |
| Content-encoding
| gzip |
| Cf-ray
| a31e88499f767521-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| Robots | index, follow |
| Description | Learn coding with our free and beginner friendly courses on Python, Java, C, C++, Data structures, Algorithms, SQL. Solve our collection of 1000s of problems to practice coding. |
| Viewport | width=device-width, initial-scale=1 |
| Facebook-domain-verification | ruyz520i5y7n43r6lgij5pt158siz6 |
| Google-site-verification | u_r-UtobgmZQQ9jZd9_KqvQl-qc42N6HE0TOBxeWghg |
Date Thu, 27 Aug 2026 22:32:28 GMT
Content-type text/html; charset=utf-8
Server cloudflare
Vary Accept-Encoding
X-drupal-cache MISS
Last-modified Thu, 27 Aug 2026 22:32:28 +0000
Cache-control no-cache, must-revalidate, post-check=0, pre-check=0
Server-timing cfEdge;dur=20,cfOrigin;dur=106
Set-cookie SESS93b6022d778ee317bf48f7dbffe03173=98444ca955ad76938cb6e255bac39067; expires=Sun, 20-Sep-2026 02:05:48 GMT; Max-Age=2000000; path=/; domain=.codechef.com; secure; HttpOnly
Access-control-allow-credentials true
Access-control-allow-methods GET
X-frame-options ALLOW-FROM https://apps.facebook.com
Content-security-policy frame-ancestors https://apps.facebook.com;
Strict-transport-security max-age=300;
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=6RMZJHKXK9oTweZzZgftSPJ2Z3GDIFWRJoQ9N8Z7UqZx27hMuSOYS%2BJ6Dy6UFxo%2F4S8deBOIyn%2BozT4dCr4SvmNFkV0LFjBGFJ1OPeRMB0qZyRHxeLditqadP7ecNw60QLcoltxpE0y327%2BwMMI%3D"}]}
Cf-cache-status DYNAMIC
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Speculation-rules "/cdn-cgi/speculation"
Content-encoding gzip
Cf-ray a31e88499f767521-CDG
Alt-svc h3=":443"; ma=86400
