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codechef.com

Registered
Page analyze update date: 2026/03/20 11:13:20
Last whois update date: 2026/03/01 12:44:57
Redirected to: www.codechef.com Active
Domain Status
Registered
Paid till
24.11.2026
Available from
24.12.2026
SEO Score
54.79%
80
Score achieved
146
Maximum score

Main Information

ℹ️
Title: CodeChef - Learn and Practice Coding with Problems
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.
Keywords: empty
Page Encoding: utf-8
Page Filesize: 76 KB

Server Information

🖥️
IP: 54.146.42.224
Location: United States,US,Ashburn,20149,39.0469,-77.4903,America/New_York
Encoding: utf-8

Whois Information

📄
domain_name: codechef.com
update_date: 2024-02-19T04:10:40Z
update_time: 1708315840
creation_date: 2005-05-08T18:25:45Z
creation_time: 1115576745
expiration_date: 2026-11-24T09:12:07Z

Whois Raw Data

📋
            Domain Name: CODECHEF.COM
Registrar: Amazon Registrar, Inc.
Domain Status: client delete prohibited
Domain Status: client transfer prohibited
Domain Status: client update prohibited
Creation Date: 2005-05-08T18:25:45Z
Registry Expiry Date: 2026-11-24T09:12:07Z
Updated Date: 2024-02-19T04:10:40Z
Name Server: LEX.NS.CLOUDFLARE.COM
Name Server: VERA.NS.CLOUDFLARE.COM
REGISTRAR Contact: Amazon Registrar, Inc.
>>> Last update of RDAP database: 2026-03-01T12:44:57Z

Robots.txt

🤖
			# $Id: robots.txt,v 1.9.2.1 2008/12/10 20:12:19 goba Exp $
#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/wc/robots.html
#

User-agent: *
# Allowing css, js and images
Allow: /includes/*.js
Allow: /misc/*.js
Allow: /modules/*.js
Allow: /profiles/*.js
Allow: /scripts/*.js
Allow: /sites/*.js
Allow: /themes/*.js
Allow: /includes/*.js
Allow: /misc/*.css
Allow: /modules/*.css
Allow: /profiles/*.css
Allow: /scripts/*.css
Allow: /sites/*.css
Allow: /themes/*.css
Allow: /includes/*.png
Allow: /misc/*.png
Allow: /modules/*.png
Allow: /profiles/*.png
Allow: /scripts/*.png
Allow: /sites/*.png
Allow: /themes/*.png
Allow: /includes/*.jpg
Allow: /misc/*.jpg
Allow: /modules/*.jpg
Allow: /profiles/*.jpg
Allow: /scripts/*.jpg
Allow: /sites/*.jpg
Allow: /themes/*.jpg
Allow: /includes/*.jpeg
Allow: /misc/*.jpeg
Allow: /modules/*.jpeg
Allow: /profiles/*.jpeg
Allow: /scripts/*.jpeg
Allow: /sites/*.jpeg
Allow: /themes/*.jpeg

# Directories
Disallow: /includes/
Disallow: /misc/
Disallow: /modules/
Disallow: /profiles/
Disallow: /scripts/
Disallow: /sites/
Disallow: /themes/
# Files
Disallow: /CHANGELOG.txt
Disallow: /cron.php
Disallow: /INSTALL.mysql.txt
Disallow: /INSTALL.pgsql.txt
Disallow: /install.php
Disallow: /INSTALL.txt
Disallow: /LICENSE.txt
Disallow: /MAINTAINERS.txt
Disallow: /update.php
Disallow: /UPGRADE.txt
Disallow: /xmlrpc.php

# Paths (clean URLs)
Disallow: /admin
Disallow: /comment/reply
Disallow: /contact
Disallow: /logout
Disallow: /node/add
Disallow: /search
Disallow: /sets
Disallow: /todos
Disallow: /viewplaintext/*
Disallow: /viewsolution/*
Disallow: /recent/user
Disallow: /rankings/*
Disallow: /campus_chapter/*
Disallow: /verify
Disallow: /payments
Disallow: /jobqueue
Disallow: /moss/*
Disallow: /lsh/*
Disallow: /status/*
Disallow: /problems/*
Disallow: /teams/view/*
Disallow: /teams/list/*
Disallow: /tags/problems/*

# Paths (no clean URLs)
Disallow: /?q=admin
Disallow: /?q=comment/reply
Disallow: /?q=contact
Disallow: /?q=logout
Disallow: /?q=node/add
Disallow: /?q=search
Disallow: /?q=sets
Disallow: /?q=todos
Disallow: /?q=viewplaintext/*

# Disallow every contest pages, their respective problem pages and status pages
Disallow: /A
Disallow: /B
Disallow: /C
Disallow: /D
Disallow: /E
Disallow: /F
Disallow: /G
Disallow: /H
Disallow: /I
Disallow: /J
Disallow: /K
Disallow: /L
Disallow: /M
Disallow: /N
Disallow: /O
Disallow: /P
Disallow: /Q
Disallow: /R
Disallow: /S
Disallow: /T
Disallow: /U
Disallow: /V
Disallow: /W
Disallow: /X
Disallow: /Y
Disallow: /Z

# Add Sitemap
Sitemap: https://www.codechef.com/sitemap.xml
        

SEO Audit

🔍

Technical SEO

Response Code
HTTP/2 200
Status 200 OK - page loads correctly.
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
Page Size
78736 bytes
Page size acceptable for fast loading.
Resources
0 total
Optimal number of resources.
Hreflang Tags
hreflang tags
Add hreflang tags if you have multilingual content.
Robots.txt
Exists
Robots.txt file found.
Sitemap
Declared in robots.txt
Sitemap declared in robots.txt.
HTTPS
Yes
Secure HTTPS connection enabled.
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
Caching
private,no-cache, must-revalidate, post-check=0, pre-check=0
Cache-control headers properly set.
Page Speed
1.91 ms
Excellent loading speed.

On-Page SEO

!
Title
CodeChef - Learn and Practice Coding with Problems
Title too long. Reduce to 30-60 characters to avoid truncation.
!
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. Lenght:177
Meta description too long. Reduce to 100-160 characters.
!
H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
!
Word Count
Content very short. Aim for at least 500 words for better SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
Duplicate Meta
[]
No duplicate meta tags found.
Keywords
empty
Meta keywords set (note: not used by major search engines).

Content and UX

!
Language
Add lang attribute to tag for accessibility and SEO.
Images
0 total, 0 missing ALT
All images have proper ALT text.
!
Viewport
Add viewport meta tag for mobile responsiveness.
!
Open Graph
Missing: og:title, og:description, og:image, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:image, og:url
!
Structured Data
JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.

Positions in Google

Search Phrases - Google

🔍
Position Phrase Page Snippet
4java problems/practice/java
4html компилятор онлайн/html-online-compiler
4c онлайн/c-online-compiler
4sql compiler/sql-online-compiler
6online html compiler/html-online-compiler
6python compiler/python-online-compiler
6компилятор php/php-online-compiler
6python compilator/python-online-compiler
79 12 python/practice/course/python/lppyas01/problems/lpyas09
7online gdb/ide

Positions in Yandex

Search Phrases - Yandex

🔍
Position Phrase Page Snippet
9питон онлайн/python-online-compiler

Additional Services

💎