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74
100
World Wide Web Consortium (W3C)
The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards.
http://www.w3.org/
3 high issues
9.1%
3 medium issues
9.1%
3 low issues
9.1%
24 tests passed
72.7%
0.10 seconds
7.60 kB
26 resources
Insecure
Seo
Title
The title tag is perfect.
World Wide Web Consortium (W3C)
Meta description
The meta description tag is good.
The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards.
Headings
The headings are properly set.
  1. W3C
  1. Site Navigation
  2. News
  3. Talks and Appearances
  4. Events
  5. About W3C
  6. Donations
  7. W3C Blog
  8. Jobs and fellowship at W3C
  9. Featured W3C Member
  10. Web Accessibility and W3C standards (Video)
  11. Footer Navigation
  1. Web for All
  2. Web and Industry
  3. W3C Work Groups
  4. Dev Resources
  5. Upcoming: W3C Workshop on Permissions
  6. Last Call for Review of Proposed Corrections: CSS Containment Module Level 1
  7. First Public Working Draft: Portable Network Graphics (PNG) Specification (Third Edition)
  8. First Public Working Drafts: CSS View Transitions Module Level 1; Scroll-linked Animations
  9. W3C Invites Implementations of Resource Timing
  10. First Public Working Draft: Trace Context Level 2
  11. First Public Working Draft: A Well-Known URL for Changing Passwords
  12. First Board of Directors to Initiate Critical Functions of W3C Inc.
  13. Navigation
  14. Contact W3C
  15. W3C Updates
Content keywords
The content has relevant keywords.
worldwidewebconsortiumw3c
Image keywords
There are 1 images with missing alt attributes.
  1. http://www.w3.org/2008/site/images/logo-shadow
SEO friendly URL
The URL does not contain any relevant keywords.
http://www.w3.org/
404 page
The website has 404 error pages.
http://www.w3.org/404-ef097413f07175612e8b907827f1ff2c
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 has the language declared.
en
Favicon
The webpage has a favicon.
http://www.w3.org/2008/site/images/favicon.ico
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.10 seconds.
Page size
The size of the HTML webpage is 7,604.00.
HTTP requests
There are fewer than 26 HTTP requests on the webpage.
  1. http://www.w3.org/2008/site/js/testimonial.js
  2. http://www.w3.org/2008/site/js/main
  1. http://www.w3.org/2008/site/css/minimum
  2. http://www.w3.org/2008/site/css/minimum
  3. http://www.w3.org/2008/site/css/print
  1. http://www.w3.org/2008/site/images/logo-w3c-mobile-lg
  2. http://www.w3.org/2008/site/images/search-button
  3. http://www.w3.org/2008/site/images/logo-shadow
  4. http://www.w3.org/2008/site/images/header-link.gif
  5. http://www.w3.org/2008/site/images/header-link.gif
  6. http://www.w3.org/2008/site/images/header-link.gif
  7. http://www.w3.org/2008/site/images/header-link.gif
  8. http://www.w3.org/2015/10/W3C-Developers_Assets/W3C-Developers-Dark.png
  9. http://www.w3.org/2020/07/w3c-api.png
  10. http://www.w3.org/2008/site/images/icons/rss30
  11. http://www.w3.org/2008/site/images/icons/atom30
  12. http://www.w3.org/2008/site/images/header-link
  13. http://www.w3.org/2008/site/images/header-link
  14. http://www.w3.org/2008/site/images/header-link.gif
  15. http://www.w3.org/2008/site/images/header-link.gif
  16. http://www.w3.org/2008/site/images/header-link
  17. http://www.w3.org/2008/site/images/header-link.gif
  18. http://www.w3.org/2008/site/images/header-link
  19. http://www.w3.org/2008/site/images/header-link.gif
  20. https://www.w3.org/2020/12/still.jpg
  21. http://www.w3.org/2008/site/images/Twitter_bird_logo_2012.svg
Image format
There are 20 images that are not using the AVIF, WebP format.
  1. http://www.w3.org/2008/site/images/logo-w3c-mobile-lg
  2. http://www.w3.org/2008/site/images/search-button
  3. http://www.w3.org/2008/site/images/logo-shadow
  4. http://www.w3.org/2008/site/images/header-link.gif
  5. http://www.w3.org/2008/site/images/header-link.gif
  6. http://www.w3.org/2008/site/images/header-link.gif
  7. http://www.w3.org/2008/site/images/header-link.gif
  8. http://www.w3.org/2015/10/W3C-Developers_Assets/W3C-Developers-Dark.png
  9. http://www.w3.org/2020/07/w3c-api.png
  10. http://www.w3.org/2008/site/images/icons/rss30
  11. http://www.w3.org/2008/site/images/icons/atom30
  12. http://www.w3.org/2008/site/images/header-link
  13. http://www.w3.org/2008/site/images/header-link
  14. http://www.w3.org/2008/site/images/header-link.gif
  15. http://www.w3.org/2008/site/images/header-link.gif
  16. http://www.w3.org/2008/site/images/header-link
  17. http://www.w3.org/2008/site/images/header-link.gif
  18. http://www.w3.org/2008/site/images/header-link
  19. http://www.w3.org/2008/site/images/header-link.gif
  20. https://www.w3.org/2020/12/still.jpg
JavaScript defer
The are 2 javascript resources without the defer attribute.
  1. http://www.w3.org/2008/site/js/testimonial.js
  2. http://www.w3.org/2008/site/js/main
DOM size
The DOM size is optimal.
The HTML file has 403 DOM nodes.
Security
HTTPS encryption
The webpage does not use HTTPS encryption.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage does not have a public server signature.
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
There are no structured data tags on the webpage.
Meta viewport
The webpage has a meta viewport tag set.
width=device-width
Character set
The webpage does not have a charset declared.
Sitemap
No sitemaps found.
Social
The webpage has 1 social links.
Content length
The webpage has 1,293 words.
Text to HTML ratio
The text to HTML ratio is 32%.
Inline CSS
The webpage contains inline CSS code.
  1. vertical-align:middle;
  2. text-align: center
Deprecated HTML
There are no deprecated HTML tags on the webpage.