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Codewars - Achieve mastery through coding practice and developer mentorship
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!
https://www.codewars.com/
2 high issues
6.1%
4 medium issues
12.1%
2 low issues
6.1%
25 tests passed
75.8%
0.29 seconds
39.13 kB
7 resources
Secure
Seo
Title
The title tag must be between 1 and 60 characters.
The current title has 75 characters.
Meta description
The meta description tag is good.
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!
Headings
The headings are properly set.
  1. Achieve masterythrough challenge
  1. Sharpen your coding skills
  2. Get instant feedback
  3. Earn ranks and honor
  4. An engaged software development community
  5. Tap into the collective wisdom
  6. Create your own kata
  7. What can I use Codewars for?
  8. The latest
  1. Get new perspectives
  2. Learn new languages
  3. Compete with peers
  4. Build self-confidence
  5. Become a mentor
  6. Top SQL Interview Questions and Answers in 2022
  7. Learn in Public: The community-based learning strategy that improves programming skills
  8. 10 Different Types of Software Engineers: A comprehensive guide
  1. codewars is powered by
Content keywords
The content has relevant keywords.
codewarsmasterythroughcodingpracticeanddeveloper
Image keywords
There are 16 images with missing alt attributes.
  1. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/632615af0bde3512ecfb2718_codewars-logo.svg
  2. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/633ef78628c4c77eb02cea8c_orange-red-gradient-background.png
  3. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/634813675d2ae160b2b9a350_next-challenge-3.png
  4. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/631b5348561f2b520db3434f_feedback.png
  5. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/631b55799dd8830b7f6ba9e0_ranks.png
  6. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/6324a09154ef0a10c9ad4736_hex-globe.png
  7. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/6324a105aa71826bcf7594f4_create-kata.png
  8. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/63252ed4d8a3a97159ac1ab6_XcDq5TCM_400x400.jpeg
  9. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/63252d07a9e5018b4070c256_molly.jpeg
  10. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/62f300f0ff92d373a4b87878_joel-hereth.jpeg
  11. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/634970c7e464221d2f8d7a1b_630e1d8e57125cc85723f9aa_AdobeStock_287272918.jpeg
  12. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/62f2b6d0beaefaf159cca412_ellen-weaver.jpeg
  13. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/634970c7cbeed5644711b937_62fd57ccd6890f25796f92f9_AdobeStock_295461823.jpeg
  14. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/62f2b6d0beaefaf159cca412_ellen-weaver.jpeg
  15. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/6325525501e34ebf181a3270_qualified-logo.svg
  16. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/631aaf6b1a176ea0525b6983_codewars-logomark.svg
SEO friendly URL
The URL is SEO friendly.
https://www.codewars.com/
404 page
The website has 404 error pages.
https://www.codewars.com/404-5d00994d05047bc51d6b24d8aa729eac
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage does not have a language declared.
Favicon
The webpage has a favicon.
https://uploads-ssl.webflow.com/img/webclip.png
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.29 seconds.
Page size
The size of the HTML webpage is 39,129.00.
HTTP requests
There are fewer than 7 HTTP requests on the webpage.
  1. https://ajax.googleapis.com/ajax/libs/webfont/1.6.26/webfont.js
  2. https://www.googletagmanager.com/gtag/js?id=G-M3JYSQLS8M
  3. https://sparkling-two.codewars.com/script.js
  4. https://www.googleoptimize.com/optimize.js?id=OPT-5GJK39N
  5. https://d3e54v103j8qbb.cloudfront.net/js/jquery-3.5.1.min.dc5e7f18c8.js?site=62e3ee10882dc50bcae8d07a
  6. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/js/webflow.fda0d43d0.js
  1. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/css/codewars-v2.webflow.e3673e1c8.css
Image format
There are 14 images that are not using the AVIF, WebP format.
  1. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/633ef78628c4c77eb02cea8c_orange-red-gradient-background.png
  2. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/634813675d2ae160b2b9a350_next-challenge-3.png
  3. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/631b5348561f2b520db3434f_feedback.png
  4. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/631b55799dd8830b7f6ba9e0_ranks.png
  5. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/6324a09154ef0a10c9ad4736_hex-globe.png
  6. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/6324a105aa71826bcf7594f4_create-kata.png
  7. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/63252ed4d8a3a97159ac1ab6_XcDq5TCM_400x400.jpeg
  8. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/63252d07a9e5018b4070c256_molly.jpeg
  9. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/6362b44b8560665eefc874b6_AdobeStock_206292429.jpeg
  10. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/62f300f0ff92d373a4b87878_joel-hereth.jpeg
  11. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/634970c7e464221d2f8d7a1b_630e1d8e57125cc85723f9aa_AdobeStock_287272918.jpeg
  12. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/62f2b6d0beaefaf159cca412_ellen-weaver.jpeg
  13. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/634970c7cbeed5644711b937_62fd57ccd6890f25796f92f9_AdobeStock_295461823.jpeg
  14. https://uploads-ssl.webflow.com/62e95dddfb380a0e61193e7d/62f2b6d0beaefaf159cca412_ellen-weaver.jpeg
JavaScript defer
The are 4 javascript resources without the defer attribute.
  1. https://ajax.googleapis.com/ajax/libs/webfont/1.6.26/webfont.js
  2. https://www.googletagmanager.com/gtag/js?id=G-M3JYSQLS8M
  3. https://d3e54v103j8qbb.cloudfront.net/js/jquery-3.5.1.min.dc5e7f18c8.js?site=62e3ee10882dc50bcae8d07a
  4. https://uploads-ssl.webflow.com/62e3ee10882dc50bcae8d07a/js/webflow.fda0d43d0.js
DOM size
The DOM size is optimal.
The HTML file has 705 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.codewars.com/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
cloudflare
Unsafe cross-origin links
The webpage has 14 unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
The webpage has structured data.
      Meta viewport
      The webpage has a meta viewport tag set.
      width=device-width, initial-scale=1
      Character set
      The webpage has a charset value set.
      utf-8
      Sitemap
      The website has sitemaps.
      1. https://www.codewars.com/sitemap.xml
      Social
      The webpage has 3 social links.
      Content length
      The webpage has 1,536 words.
      Text to HTML ratio
      The text to HTML ratio is under 10%
      The text to HTML ratio is 9%.
      Inline CSS
      The webpage does not contain inline CSS code.
      Deprecated HTML
      There are no deprecated HTML tags on the webpage.