W3 SEO

Search Engine Optimization Overview

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.

Site Navigation
News
Talks and Appearances
Events
About W3C
Donations
W3C Blog
Jobs and fellowship at W3C
Featured W3C Member
Web Accessibility and W3C standards (Video)
Footer Navigation

Web for All
Web and Industry
W3C Work Groups
Dev Resources
Upcoming: W3C Workshop on Permissions
Last Call for Review of Proposed Corrections: CSS Containment Module Level 1
First Public Working Draft: Portable Network Graphics (PNG) Specification (Third Edition)
First Public Working Drafts: CSS View Transitions Module Level 1; Scroll-linked Animations
W3C Invites Implementations of Resource Timing
First Public Working Draft: Trace Context Level 2
First Public Working Draft: A Well-Known URL for Changing Passwords
First Board of Directors to Initiate Critical Functions of W3C Inc.
Navigation
Contact W3C
W3C Updates

Content keywords

The content has relevant keywords.

worldwidewebconsortiumw3c

Image keywords

There are 1 images with missing alt attributes.

Images

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.

Internals

Externals

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.

JavaScripts

http://www.w3.org/2008/site/js/testimonial.js
http://www.w3.org/2008/site/js/main

CSS

http://www.w3.org/2008/site/css/minimum
http://www.w3.org/2008/site/css/minimum
http://www.w3.org/2008/site/css/print

Images

http://www.w3.org/2008/site/images/logo-w3c-mobile-lg
http://www.w3.org/2008/site/images/search-button
http://www.w3.org/2008/site/images/logo-shadow
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2015/10/W3C-Developers_Assets/W3C-Developers-Dark.png
http://www.w3.org/2020/07/w3c-api.png
http://www.w3.org/2008/site/images/icons/rss30
http://www.w3.org/2008/site/images/icons/atom30
http://www.w3.org/2008/site/images/header-link
http://www.w3.org/2008/site/images/header-link
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link
http://www.w3.org/2008/site/images/header-link.gif
https://www.w3.org/2020/12/still.jpg
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.

Images

http://www.w3.org/2008/site/images/logo-w3c-mobile-lg
http://www.w3.org/2008/site/images/search-button
http://www.w3.org/2008/site/images/logo-shadow
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2015/10/W3C-Developers_Assets/W3C-Developers-Dark.png
http://www.w3.org/2020/07/w3c-api.png
http://www.w3.org/2008/site/images/icons/rss30
http://www.w3.org/2008/site/images/icons/atom30
http://www.w3.org/2008/site/images/header-link
http://www.w3.org/2008/site/images/header-link
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link
http://www.w3.org/2008/site/images/header-link.gif
http://www.w3.org/2008/site/images/header-link
http://www.w3.org/2008/site/images/header-link.gif
https://www.w3.org/2020/12/still.jpg

JavaScript defer

The are 2 javascript resources without the defer attribute.

JavaScripts

http://www.w3.org/2008/site/js/testimonial.js
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.

Twitter

https://twitter.com/W3C

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.

Attributes

vertical-align:middle;
text-align: center

Deprecated HTML

There are no deprecated HTML tags on the webpage.