Overview of the SEO Check
Meta information
80% 
Page quality
89% 
Page structure
84% 
Link structure
90% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.21 s
File size
32.50 kB
Words
1477
Media files
25
Number of links
105 internal / 17 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
World Wide Web Consortium (W3C)
The length of the page title is perfect. (328 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
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.
The meta description is too long: 1080 pixels from max. 1000 pixels.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
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 charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype XHTML 1.0 Strict 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
viewportwidth=device-width
descriptionThe 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.
langen
Content-Typetext/html; charset=utf-8

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Page quality

Content
(Critically important)
This page contains 1477 words. That's ok.
27.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
23 paragraphs were found on this page.
The text content is perfect.
There are no duplicates on the site.
The average number of words per sentence of 22.17 words is good.
Frames
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width" is provided.
This website only loads 1 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 30 tags for this page.
Image SEO
(Somewhat important)
1 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)
The HTTPS protocol for secure data transmission is not used.

Page structure

H1 heading
(Critically important)
W3C W3C
The H1 heading is too short (7 characters). It should be at least 20 Characters long.
Headings
(Important)
There are 29 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 W3C W3C
H2 Site Navigation
H2 News
H2 Talks and Appearances Header link
H2 Events Header link
H2 About W3C Header link
H2 Donations Header link
H2 W3C Blog Header link
H2 W3C is hiring Header link
H2 W3C Member Testimonial Header link
H2 Web Accessibility and W3C standards (Video) Header link
H2 Footer Navigation
H3 Web and Industry Header link
H3 Web for All Header link
H3 W3C Work Groups Header link
H3 Dev Resources Header link
H3 Member-only Home Header link
H3 W3C Consortium and Financial Management RFP
H3 New Videos Introduce Web Accessibility — Great for GAAD
H3 Call for Review: DOM Review Draft — Published 18 June 2019 is a W3C Proposed Recommendation
H3 Call for Review: JSON-LD 1.1 Specifications are W3C Proposed Recommendations
H3 First Public Working Draft: Image Resource
H3 W3C opens Advisory Board (AB) election
H3 First Public Working Draft: Challenges with Accessibility Guidelines Conformance and Testing, and Approaches for Mitigating Them
H3 Upcoming Distributed, Online Workshops: W3C/OGC Joint Workshop Series on Maps for the Web
H3 Institut National de Recherche en Informatique et en Automatique (INRIA)
H3 Navigation
H3 Contact W3C
H3 W3C Updates
Some anchor texts are used more than once.
The amount of internal links is ok.
None of the anchor texts is too long.
All internal links don't have dynamic parameters.
There are 17 external links on this page.
LinkAttributesAnchor text
http://www.w3.org/IMG-ALT W3C
http://www.w3.org/standards/Standards
http://www.w3.org/participate/Participate
/Consortium/membershipMembership
http://www.w3.org/Consortium/About W3C
http://www.w3.org/standardsWeb and Industry
IMG-ALT Header link
http://www.w3.org/auto/Automotive
http://www.w3.org/tv/Entertainment (TV and Broadcasting)
http://www.w3.org/publishing/Publishing
http://www.w3.org/Payments/Web Payments
http://www.w3.org/2013/data/Web of Data
http://www.w3.org/Telco/Web and Telecommunications
http://www.w3.org/WoT/Web of Things
/Consortium/mission.htmlWeb for All
IMG-ALT Header link
http://www.w3.org/WAI/Accessibility
http://www.w3.org/International/Internationalization
http://www.w3.org/SecurityWeb Security
http://www.w3.org/Privacy/Privacy
/Consortium/activitiesW3C Work Groups
IMG-ALT Header link
/Consortium/cepc/Code of Ethics and Professional Conduct
/Consortium/activitiesW3C Groups
http://www.w3.org/Guide/Participant guidebook
A-TITLE Member-only group participant guidebook
/community/groups/Current W3C Community Groups
/community/groups/proposed/Proposed W3C Community Groups
http://www.w3.org/participate/Dev Resources
IMG-ALT Header link
http://www.w3.org/developers/IMG-ALT W3C Developers
A-TITLE W3C Developer Avenue
https://validator.w3.org/External Validators
/2009/cheatsheet/W3C cheatsheet
http://www.w3.org/Status.htmlMore Open Source Software
http://web-platform-tests.org/External Web Platform Tests
A-TITLE Open Web Platform testing
https://www.edx.org/school/w3cxExternal W3Cx (Training)
A-TITLE MOOCs from W3C on edX
http://www.w3.org/participate/More ways to participate
http://www.w3.org/Member/Member-only Home
IMG-ALT Header link
/Consortium/activitiesJoin a Group
/2004/01/pp-impl/queueJoin requests queue
/Help/Account/Request/MemberGet a Member Account
http://www.w3.org/Anchor Skip
A-TITLE Skip to content (e.g., when browsing via audio)
/blog/news/archives/8545Archive
A-TITLE Archive: W3C Consortium and Financial Management RFP
/Icons/w3c_logo.svgIMG-ALT W3C banner logo
/2020/05/Consortium_Mgmt_and_F...You can find the RFP here
/blog/news/archives/8540Text duplicate Archive
A-TITLE Archive: New Videos Introduce Web Accessibility — Great for GAAD
https://www.w3.org/WAI/EO/EOWG
/WAI/test-evaluate/5 short videos that introduce evaluation resources
https://www.w3.org/WAI/WAI
/WAI/videos/standards-and-bene...Video Introduction to Web Accessibility and W3C Standards
/WAI/perspective-videos/Web Accessibility Perspectives videos
https://globalaccessibilityawa...External GAAD
/blog/2019/12/free-online-cour...Introduction to Web Accessibility
/blog/news/archives/8538Text duplicate Archive
A-TITLE Archive: Call for Review: DOM Review Draft — Published 18 June 2019 is a W3C Proposed Recommendation
/blog/2019/05/w3c-and-whatwg-t...together on HTML and DOM
/TR/2020/PR-dom-20200514/DOM Review Draft – Published 18 June 2019
/blog/news/archives/8529Text duplicate Archive
A-TITLE Archive: Call for Review: JSON-LD 1.1 Specifications are W3C Proposed Recommendations
/2018/json-ld-wg/JSON-LD Working Group
/TR/2020/PR-json-ld11-20200507/JSON-LD 1.1
/TR/2020/PR-json-ld11-api-2020...JSON-LD 1.1 Processing Algorithms and API
/TR/2020/PR-json-ld11-framing-...JSON-LD 1.1 Framing
/TR/2020/NOTE-json-ld11-stream...Streaming JSON-LD
/blog/news/archives/8526Text duplicate Archive
A-TITLE Archive: First Public Working Draft: Image Resource
https://www.w3.org/2019/webapps/Web Applications Working Group
/TR/2020/WD-image-resource-202...Image Resource
/TR/2020/WD-image-resource-202...Anchor ImageResource
/TR/2020/WD-image-resource-202...Anchor Text duplicate ImageResource
/blog/news/archives/8519Text duplicate Archive
A-TITLE Archive: W3C opens Advisory Board (AB) election
/2020/05/04-ab-nominationsIMG-ALT Logo for the W3C Advisory Board
https://www.w3.org/2002/ab/W3C Advisory Board (AB)
/2020/05/04-ab-nominations.htmlstatements of the nominees
https://www.w3.org/wiki/ABpublic wiki
/blog/news/archives/8517Text duplicate Archive
A-TITLE Archive: First Public Working Draft: Challenges with Accessibility Guidelines Conformance and Testing, and Approaches for Mitigating Them
https://www.w3.org/WAI/GL/Accessibility Guidelines Working Group
/TR/2020/WD-accessibility-conf...Challenges with Accessibility Guidelines Conformance and Testing, and Approaches for Mitigating Them
/blog/news/archives/8455Text duplicate Archive
A-TITLE Archive: Upcoming Distributed, Online Workshops: W3C/OGC Joint Workshop Series on Maps for the Web
https://www.w3.org/2020/maps/IMG-ALT Maps of Montreal, past, present, and future.
https://www.w3.org/2020/maps/W3C/OGC Joint Workshop Series on Maps for the Web
/2020/maps/call-for-participationdetails and submission instructions
http://www.w3.org/blog/news/More news…
A-TITLE More News
http://www.w3.org/blog/news/feedIMG-ALT RSS
A-TITLE RSS feed for W3C home page news
/blog/news/feed/atomIMG-ALT Atom
A-TITLE Atom feed for W3C home page news
http://www.w3.org/Talks/Talks and Appearances
IMG-ALT Header link
A-TITLE More Talks…
/blog/talks/event/iot-bootcamp...IOT BOOTCAMP: COGNITIVE COMPUTING TECHNOLOGY AND AI POWERED ANALYTICS ENHANCING HUMAN EXPERTISE
/blog/talks/venue/berlin-confe...Berlin Conference Center
A-TITLE Berlin Conference Center
/participate/eventscal.htmlEvents
IMG-ALT Header link
A-TITLE More Events…
https://www.facebook.com/event...External ASEAN CIO 5th LIVE CHAT - W3C - Future of WEB
https://www.industryofthingswo...External 6th Industry of Things World
https://www.w3.org/2020/maps/Remote-only W3C/OGC Joint Workshop Series on Maps for the Web
https://lists.w3.org/Archives/...External TPAC 2020
https://www.iottechexpo.com/gl...External IoT Tech Expo 2021
http://www.w3.org/Consortium/Text duplicate About W3C
IMG-ALT Header link
/Consortium/factsinternational community
http://www.w3.org/TR/standards
http://www.w3.org/support/Donations
IMG-ALT Header link
http://www.w3.org/support/Friend of W3C
/Consortium/missionW3C mission
http://www.w3.org/developers/developer tools
http://www.w3.org/blog/W3C Blog
IMG-ALT Header link
A-TITLE More Blog Entries…
/blog/2020/05/w3c-website-rede...W3C Website redesign: Short user survey
https://koalie.blog/External Subdomain Coralie Mercier
/blog/2020/05/payments-and-aut...Payments and Authentication: Driving toward a Whole Greater than Parts
http://www.w3.org/People/Jacobs/Ian Jacobs
/blog/2020/05/w3c-and-xr-immer...W3C and XR Immersive Enterprise 2020
/Consortium/Recruitment/W3C is hiring
IMG-ALT Header link
/Consortium/Recruitment/Privacy/Security Technology Executive Architect
/Consortium/Member/Testimonial/W3C Member Testimonial
IMG-ALT Header link
A-TITLE Read all Member testimonials
http://www.inria.fr/Nofollow External IMG-ALT Institut National de Recherche en Informatique et en Automatique (INRIA) logo
http://www.inria.fr/Nofollow External Institut National de Recherche en Informatique et en Automatique (INRIA)
/WAI/videos/standards-and-bene...Web Accessibility and W3C standards (Video)
IMG-ALT Header link
/WAI/videos/standards-and-bene...IMG-ALT Thumbnail of Web Accessibility and W3C Standards Video
http://www.w3.org/Home
http://www.w3.org/standards/Text duplicate Standards
http://www.w3.org/participate/Text duplicate Participate
/Consortium/membershipText duplicate Membership
http://www.w3.org/Consortium/Text duplicate About W3C
/Consortium/contactContact
http://www.w3.org/Help/Help and FAQ
/Consortium/sponsor/Sponsor / Donate
/Consortium/siteindexSite Map
http://lists.w3.org/Archives/P...External Feedback
http://twitter.com/W3CExternal IMG-ALT Twitter
A-TITLE Follow W3C on Twitter
http://www.csail.mit.edu/External MIT
http://www.ercim.eu/External ERCIM
http://www.keio.ac.jp/External Keio
http://ev.buaa.edu.cn/External Subdomain Beihang
/Consortium/Legal/ipr-noticeUsage policies apply

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.21 seconds.
This website only loads 3 CSS files. That's ok.
This website only loads 1 JavaScript files. That's good!
The file size of the HTML document is fine (33 kB).

HTTP Response Header

NameValue
dateMon, 25 May 2020 05:43:58 GMT
content-locationHome.html
varynegotiate,accept,Accept-Encoding,upgrade-insecure-requests
tcnchoice
last-modifiedThu, 21 May 2020 11:00:17 GMT
etag"81e0-5a6266af59240;89-3f26bd17a2f00-gzip"
accept-rangesbytes
cache-controlmax-age=600
expiresMon, 25 May 2020 05:53:58 GMT
content-encodinggzip
content-length8990
content-typetext/html; charset=utf-8
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 609,620 referring domains.
This website has 3,685,558,590 backlinks.
This website has backlinks from 290,767 different ip addresses.
Facebook popularity
(Somewhat important)
This website has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

#
# robots.txt for http://www.w3.org/
#
# $Id: robots.txt,v 1.84 2019/03/22 22:48:24 gerald Exp $
#

# For use by search.w3.org
User-agent: W3C-gsa
Disallow: /Out-Of-Date

User-agent: W3T_SE
Disallow: /Out-Of-Date

User-agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)
Disallow: /

# W3C Link checker
User-agent: W3C-checklink
Disallow:

# Applebot continues to make hundreds of thousands of reqs/day for this area
# even though it has been returning permanent redirects for years
User-agent: Applebot
Disallow: /People/domain/

# the following settings apply to all bots
User-agent: *
# Blogs - WordPress
# https://codex.wordpress.org/Search_Engine_Optimization_for_WordPress#Robots.txt_Optimization
Disallow: /*/wp-admin/
Disallow: /*/wp-includes/
Disallow: /*/wp-content/plugins/
Disallow: /*/wp-content/cache/
Disallow: /*/wp-content/themes/
Disallow: /blog/*/trackback/
Disallow: /blog/*/feed/
Disallow: /blog/*/comments/
Disallow: /blog/*/category/*/*
Disallow: /blog/*/*/trackback/
Disallow: /blog/*/*/feed/
Disallow: /blog/*/*/comments/
Disallow: /blog/*/*?
Disallow: /community/trackback/
Disallow: /community/feed/
Disallow: /community/comments/
Disallow: /community/category/*/*
Disallow: /community/*/trackback/
Disallow: /community/*/feed/
Disallow: /community/*/comments/
Disallow: /community/*/category/*/*
Disallow: /community/*?
Disallow: /Consortium/Offices/trackback/
Disallow: /Consortium/Offices/feed/
Disallow: /Consortium/Offices/comments/
Disallow: /Consortium/Offices/category/*/*
Disallow: /Consortium/Offices/*/trackback/
Disallow: /Consortium/Offices/*/feed/
Disallow: /Consortium/Offices/*/comments/
Disallow: /Consortium/Offices/*?
# Wikis - Mediawiki
# https://www.mediawiki.org/wiki/Manual:Robots.txt
Disallow: /wiki/index.php?
Disallow: /wiki/index.php/Help
Disallow: /wiki/index.php/MediaWiki
Disallow: /wiki/index.php/Special:
Disallow: /wiki/index.php/Template
Disallow: /wiki/skins/
Disallow: /*/wiki/index.php?
Disallow: /*/wiki/index.php/Help
Disallow: /*/wiki/index.php/MediaWiki
Disallow: /*/wiki/index.php/Special:
Disallow: /*/wiki/index.php/Template
Disallow: /*/wiki/Special:
# various other access-controlled or expensive areas
Disallow: /2004/ontaria/basic
Disallow: /Team/
Disallow: /Project
Disallow: /Web
Disallow: /Systems
Disallow: /Out-Of-Date
Disallow: /2005/06/blog/
Disallow: /2004/08/W3CTalks
Disallow: /2007/11/Talks/search
Disallow: /People/all/
Disallow: /RDF/Validator/ARPServlet
Disallow: /RDF/Validator/rdfval
Disallow: /2003/03/Translations/byLanguage
Disallow: /2003/03/Translations/byTechnology
Disallow: /2005/11/Translations/Query
Disallow: /2000/06/webdata/xslt
Disallow: /2000/09/webdata/xslt
Disallow: /2005/08/online_xslt/xslt
Disallow: /Bugs/
Disallow: /Search/Mail/Public/
Disallow: /2006/02/chartergen
Disallow: /2004/01/pp-impl
Disallow: /Consortium/supporters
Disallow: /2007/08/pyRdfa/
Disallow: /2012/pyRdfa/extract
Disallow: /WAI/PF/comments/
Disallow: /participate/conferences.xml
Disallow: /scripts/
Disallow: /2005/01/yacker/
Disallow: /2005/01/yacker?
Disallow: /2003/09/nschecker?
Disallow: /2005/07/pubrules?
Disallow: /ns/hydra/console/?
Disallow: /2007/08/grddl/?
Disallow: /2009/07/webidl-check?
Disallow: /RDF/Validator/ARPServlet?
Disallow: /2000/06/webdata/xsv?
Disallow: /2000/09/webdata/xsv?
Disallow: /Style/CSS/members.be/
Disallow: /services
Disallow: /*,*

# WAI indexing
Disallow: /WAI/beta/
Disallow: /WAI/ut1/
Disallow: /WAI/ut2/
Disallow: /WAI/ut3/
Disallow: /WAI/ut4/
# Disallow: /WAI/EO/Drafts/
Disallow: /WAI/drafts/

Facebook popularity

Shares / Likes / Comments
19,486

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview

World Wide Web Consortium (W3C)
http://www.w3.org/
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.

Most important keywords

Seobility found the following keywords. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
W3C68%Check
Web61%Check
Wide Web Consortium57%Check
Consortium56%Check
World Wide Web Consortium55%Check
World Wide Web54%Check
Web Standards53%Check
W3C Standards51%Check
is an47%Check
Web Accessibility47%Check

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