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C

codechef.com

Registreret
Sideanalyseopdateringsdato: 2026/03/20 11:13:20
Sidste whois opdateringsdato: 2026/03/01 12:44:57
Omdirigeret til: www.codechef.com Aktiv
Domænestatus
Registreret
Betalt indtil
24.11.2026
Tilgængelig fra
24.12.2026
SEO-score
54.79%
80
Score opnået
146
Maksimal score

Hovedoplysninger

ℹ️
Titel: CodeChef - Learn and Practice Coding with Problems
Beskrivelse: 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.
Nøgleord: empty
Sidekodning: utf-8
Side filstørrelse: 76 KB

Serverinformation

🖥️
IP: 54.146.42.224
Beliggenhed: United States,US,Ashburn,20149,39.0469,-77.4903,America/New_York
Kodning: 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 rå 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 revision

🔍

Teknisk SEO

Svarkode
HTTP/2 200
Status 200 OK - siden indlæses korrekt.
Tegnkodning
Page: utf-8, Header: utf-8
Tegnkodning konsekvent mellem HTML og overskrifter.
Sidestørrelse
78736 bytes
Sidestørrelse acceptabel til hurtig indlæsning.
Ressourcer
0 total
Optimalt antal ressourcer.
Hreflang Tags
hreflang tags
Tilføj hreflang-tags, hvis du har flersproget indhold.
Robots.txt
Exists
Robots.txt-fil fundet.
Sitemap
Declared in robots.txt
Sitemap erklæret i robots.txt.
HTTPS
Yes
Sikker HTTPS-forbindelse aktiveret.
Kompression
gzip
Gzip- eller Zstd-komprimering aktiveret for hurtigere indlæsning.
Caching
private,no-cache, must-revalidate, post-check=0, pre-check=0
Cache-kontroloverskrifter er korrekt indstillet.
Sidehastighed
1.91 ms
Fremragende læssehastighed.

On-Page SEO

!
Titel
CodeChef - Learn and Practice Coding with Problems
Titlen er for lang. Reducer til 30-60 tegn for at undgå trunkering.
!
Meta beskrivelse
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
Metabeskrivelse for lang. Reducer til 100-160 tegn.
!
H1 Overskrift
0 found - ""
Tilføj præcis én H1-overskrift med primære søgeord.
!
Ordtælling
Indhold meget kort. Sigt efter mindst 500 ord for bedre SEO.
!
Kanonisk tag
Tilføj kanonisk tag for at forhindre duplikatindholdsproblemer.
Dupliker Meta
[]
Ingen duplikerede metatags fundet.
Nøgleord
empty
Metanøgleord indstillet (bemærk: bruges ikke af større søgemaskiner).

Indhold og UX

!
Sprog
Tilføj lang attribut til tag for tilgængelighed og SEO.
Billeder
0 total, 0 missing ALT
Alle billeder har korrekt ALT-tekst.
!
Udsigtsport
Tilføj viewport-metatag for mobilrespons.
!
Åbn Graph
Missing: og:title, og:description, og:image, og:url
Tilføj manglende OpenGraph-tags til deling på sociale medier:og:title, og:description, og:image, og:url
!
Strukturerede data
JSON-LD scripts
Tilføj strukturerede data (JSON-LD) for at få udvidede uddrag og bedre SEO.

Stillinger i Google

Søgesætninger - Google

🔍
Position Udtryk Side Uddrag
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

Stillinger i Yandex

Søgesætninger - Yandex

🔍
Position Udtryk Side Uddrag
9питон онлайн/python-online-compiler

Yderligere tjenester

💎