Codewars.com - SEO Checker

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Overview of the SEO Check
Meta information
68% 
Page quality
68% 
Page structure
79% 
Link structure
75% 
Server
95% 
External factors
100% 
SEO Score
Response time
2.13 s
File size
145.80 kB
Words
729
Media files
20
Number of links
70 internal / 22 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Codewars - Achieve mastery through coding practice and developer mentorship
The page title should be shorter than 580 pixels. It is 711 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
A coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!
The meta description is too long: 1031 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.codewars.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Canada
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The character encoding is not specified in the HTTP header.
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
descriptionA coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!
viewportwidth=device-width, initial-scale=1
google-site-verificationEMv3k6eCCUuSkbwJpGlLbtsBd_lCvmvDp1Ucsv0rIvM
keywordscodewars, code kata, kata, code gym, coding, code practice, ruby, javascript, coffeescript, web development, software development, dojo
langen
twitter:cardsummary_large_image
twitter:site@codewars
twitter:titleCodewars - Achieve mastery through coding practice and developer mentorship
twitter:descriptionA coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!
twitter:imagehttps://cdn.prod.website-files.com/6674f0cdb5b7b401612cf015/67898112dc111c3a0bd646b5_codewars%20social.png
fb:admins652826666
fb:app_id110951985735625
og:titleCodewars - Achieve mastery through coding practice and developer mentorship
og:descriptionA coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!
og:imagehttps://cdn.prod.website-files.com/62e3ee10882dc50bcae8d07a/634816d46fc4a32b2a583416_codewars-og-image.png
og:typewebsite
og:site_nameCodewars
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
This page contains 729 words. That's ok.
35.4% of the text are stop words.
Words from the H1 heading are used in the page content.
14 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 13.57 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 15 tags for this page.
Image SEO
(Somewhat important)
19 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...1f483344739cfb029_Codewars_red_white.svgNo alt attribute provided
...1f483344739cfb029_Codewars_red_white.svgNo alt attribute provided
...1f483344739cfb029_Codewars_red_white.svgNo alt attribute provided
...1f483344739cfb029_Codewars_red_white.svgNo alt attribute provided
...cf09b_orange-red-gradient-background.pngNo alt attribute provided
...cdb5b7b401612cf0e8_next-challenge-3.avifNo alt attribute provided
...ining_on_Unique_In_Order___Codewars.avifNo alt attribute provided
...f015/6674f0cdb5b7b401612cf06b_ranks.avifNo alt attribute provided
.../6674f0cdb5b7b401612cf094_hex-globe.avifNo alt attribute provided
...674f0cdb5b7b401612cf095_create-kata.avifNo alt attribute provided
...cdb5b7b401612cf098_XcDq5TCM_400x400.avifNo alt attribute provided
...f015/6674f0cdb5b7b401612cf097_molly.avifNo alt attribute provided
...020/67863e0c6a8d0b1ea59b2f1a_25_main.pngHow many Kata did you complete in 2024?
...3e07a793fe6b_my-notion-face-portrait.pngNo alt attribute provided
...570cc8860d8b9bda18cdc5_festive_thumb.pngNo alt attribute provided
...3e07a793fe6b_my-notion-face-portrait.pngNo alt attribute provided
...t headings THUMBNAIL (800 x 800 px).pngNo alt attribute provided
...3e07a793fe6b_my-notion-face-portrait.pngNo alt attribute provided
...1612cf0f1_qualified-full-color-white.svgNo alt attribute provided
...cdb5b7b401612cf067_codewars-logomark.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Achieve mastery through challenge
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Achieve mastery through challenge
H2 Sharpen your coding skills
H2 Get instant feedback
H2 Earn ranks and honor
H2 An engaged software development community
H2 Tap into the collective wisdom
H2 Create your own kata
H2 What can I use Codewars for?
H2 The latest
H3 Get new perspectives
H3 Learn new languages
H3 Compete with peers
H3 Build self-confidence
H3 Become a mentor
H3 How many Kata did you complete in 2024?
H3 Let's build a ... festive collection together
H3 What's new on Codewars: November 2024
H6 codewars IS BUILT ON
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
2 links don't have an anchor text.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 22 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.codewars.com/No Text
https://www.codewars.com/kataSubdomain Kata library Complete challenging kata to earn honor and ranks
/users/leaderboardSubdomain Leaderboards Achieve honor and move up the leaderboards
https://docs.codewars.com/External Subdomain Docs Learn about all of the different aspects of Codewars
https://www.codewars.com/blogBlog
/partnershipsFor Educators
https://www.qualified.io/?utm_...New window External Subdomain For Companies
/subscriptionCodewars Red
/users/sign_inLog in
https://www.codewars.com/joinSubdomain Join
https://www.codewars.com/No Text
https://www.codewars.com/kataSubdomain Text duplicate Kata library Complete challenging kata to earn honor and ranks
/users/leaderboardSubdomain Text duplicate Leaderboards Achieve honor and move up the leaderboards
https://docs.codewars.com/External Subdomain Text duplicate Docs Learn about all of the different aspects of Codewars
https://www.codewars.com/blogText duplicate Blog
/partnershipsText duplicate For Educators
https://www.qualified.io/?utm_...New window External Subdomain Text duplicate For Companies
/subscriptionText duplicate Codewars Red
/users/sign_inText duplicate Log in
https://www.codewars.com/joinSubdomain Text duplicate Join
https://www.codewars.com/No Text
https://www.codewars.com/kataSubdomain Text duplicate Kata library Complete challenging kata to earn honor and ranks
/users/leaderboardSubdomain Text duplicate Leaderboards Achieve honor and move up the leaderboards
https://docs.codewars.com/External Subdomain Text duplicate Docs Learn about all of the different aspects of Codewars
https://www.codewars.com/blogText duplicate Blog
/partnershipsText duplicate For Educators
https://www.qualified.io/?utm_...New window External Subdomain Text duplicate For Companies
/subscriptionText duplicate Codewars Red
/users/sign_inText duplicate Log in
https://www.codewars.com/joinSubdomain Text duplicate Join
https://www.codewars.com/No Text
https://www.codewars.com/kataSubdomain Text duplicate Kata library Complete challenging kata to earn honor and ranks
/users/leaderboardSubdomain Text duplicate Leaderboards Achieve honor and move up the leaderboards
https://docs.codewars.com/External Subdomain Text duplicate Docs Learn about all of the different aspects of Codewars
https://www.codewars.com/blogText duplicate Blog
/partnershipsText duplicate For Educators
https://www.qualified.io/?utm_...New window External Subdomain Text duplicate For Companies
/subscriptionText duplicate Codewars Red
/users/sign_inText duplicate Log in
https://www.codewars.com/joinSubdomain Text duplicate Join
https://www.codewars.com/joinSubdomain Get Started
https://www.codewars.com/joinSubdomain Join the Dojo
https://twitter.com/mmelinesExternal @this_ahmed
/post/how-many-kata-did-you-co...IMG-ALT How many Kata did you complete in 2024?
/post/how-many-kata-did-you-co...How many Kata did you complete in 2024? 2024 was one of our busiest years yet; let's take a moment to celebrate it.
/post/lets-build-a-festive-col...No Text
/blog-categories/competitionsCompetitions
/post/lets-build-a-festive-col...Let's build a ... festive collection together No matter what festivities you celebrate this season, you should be able to celebrate it on Codewars.
/post/whats-new-on-codewars-no...No Text
/blog-categories/codewarsProduct News
/post/whats-new-on-codewars-no...What's new on Codewars: November 2024
https://www.qualified.io/?utm_...New window External Subdomain Learn more
https://www.codewars.com/kata/cNew window Subdomain C
/kata/csharpNew window Subdomain C#
https://www.codewars.com/kata/cppNew window Subdomain C++
/kata/dartNew window Subdomain Dart
https://www.codewars.com/kata/goNew window Subdomain Trivial anchor text
Go
/kata/haskellNew window Subdomain Haskell
/kata/javaNew window Subdomain Java
/kata/javascriptNew window Subdomain JavaScript
/kata/kotlinNew window Subdomain Kotlin
https://www.codewars.com/kata/luaNew window Subdomain Lua
https://www.codewars.com/kata/phpNew window Subdomain PHP
/kata/pythonNew window Subdomain Python
https://www.codewars.com/kata/rNew window Subdomain R
/kata/rubyNew window Subdomain Ruby
/kata/rustNew window Subdomain Rust
https://www.codewars.com/kata/sqlNew window Subdomain SQL
/kata/scalaNew window Subdomain Scala
/kata/solidityNew window Subdomain Solidity
/kata/swiftNew window Subdomain Swift
/kata/typescriptNew window Subdomain TypeScript
https://www.codewars.com/kataNew window Subdomain Kata Library
/users/leaderboardNew window Subdomain Leaderboard
https://docs.codewars.com/New window External Subdomain Docs
https://www.codewars.com/blogText duplicate Blog
/partner-schoolsPartner Schools
https://www.andela.com/why-joi...New window External Subdomain Get Hired
/partnershipsEducator Partnerships
https://www.qualified.io/?utm_...New window External Subdomain Assess Students
https://www.qualified.io/?utm_...New window External Subdomain Skill Assessments
https://www.andela.com/?utm_so...New window External Subdomain Find Candidates
https://www.andela.com/?utm_so...New window External Subdomain Andela
https://www.qualified.io/?utm_...New window External Subdomain Qualified.io
https://dev.codewars.com/New window External Subdomain API
/about/privacyPrivacy Policy
/about/terms-of-serviceTerms of Service
https://www.codewars.com/aboutNew window Subdomain About
https://twitter.com/codewarsNew window External No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://github.com/codewarsNew window External No Text
https://discord.gg/mSwJWRvkHANew window External No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.codewars.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is very slow (2.13 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (146 kB).

HTTP Response Header

NameValue
dateSun, 20 Jul 2025 21:45:53 GMT
content-typetext/html
cf-ray9625a5e11b4f341e-CDG
x-frame-optionsSAMEORIGIN
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x-content-type-optionsnosniff
x-download-optionsnoopen
x-permitted-cross-domain-policiesnone
referrer-policystrict-origin-when-cross-origin
via1.1 google
cf-cache-statusDYNAMIC
content-encodinggzip
last-modifiedSun, 20 Jul 2025 21:45:53 GMT
surrogate-controlmax-age=432000
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x-lambda-id95129608-76b5-444d-81af-19e283dd637d
varyAccept-Encoding
set-cookie149 Characters
x-cluster-nameus-east-1-prod-hosting-red
cache-controlmax-age=0, private, must-revalidate
x-request-ide80ba829-a163-4b7d-a7be-e06b6b116123
x-runtime1.738144
content-security-policyframe-ancestors 'self';
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servercloudflare
server-timingcfL4;desc="?proto=TCP&rtt=13990&min_rtt=13951&rtt_var=4002&sent=6&recv=8&lost=0&retrans=0&sent_bytes=2911&recv_bytes=908&delivery_rate=207242&cwnd=252&unsent_bytes=0&cid=b84ecc7ce1d46574&ts=1870&x=0"
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 3,160 referring domains.
This page has 18,353 backlinks.
This page has backlinks from 2,204 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# robotstxt.org/

User-agent: *
Disallow:
Disallow: /cgi-bin/
Sitemap: https://www.codewars.com/sitemap.xml

Similar sites

Search preview

www.codewars.com
Codewars - Achieve mastery through coding practice and developer me...
A coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Codewars68%Check
Achieve62%Check
mastery62%Check
Achieve mastery62%Check
coding61%Check
coding practice60%Check
practice56%Check
developer56%Check
coding skills55%Check
challenge52%Check
Show more keywords and terms

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