Hdmi.org - SEO Checker

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Overview of the SEO Check
Meta information
95% 
Page quality
91% 
Page structure
79% 
Link structure
80% 
Server
86% 
External factors
100% 
SEO Score
Response time
1.09 s
File size
47.20 kB
Words
557
Media files
5
Number of links
92 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
HDMI Licensing Administrator, Inc.
The length of the page title is perfect. (307 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
HDMI.org is the licensing agent to administer licensing of HDMI Specification, promote HDMI technology and provide education on the benefits of HDMI interface..
The length of the meta description is perfect. (997 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.hdmi.org/
The specified canonical link points to a different page.
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 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
viewportwidth=device-width, initial-scale=1, shrink-to-fit=no
keywordsHDMI 1.4,HDMI V2.1,HDMI Type C,Premium Cable,HDMI V2.1b,HDMI 2.1b, HDMI 2.2
descriptionHDMI.org is the licensing agent to administer licensing of HDMI Specification, promote HDMI technology and provide education on the benefits of HDMI interface..
langen
x-ua-compatibleie=edge
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 557 words. That's ok.
22.8% 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.
9 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 22.89 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, shrink-to-fit=no" 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 11 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)
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
https://hdmi.org/images/HDMI_black_Logo.pngHDMI LA Logo
/lib/master-slider/css/common/blank.gif12-hdmi-homepage-banner-2-2-specification_release.png
/lib/master-slider/css/common/blank.gif2-image_2.jpg
/lib/master-slider/css/common/blank.gif3-image_3.jpg
/images/FooterHdmi-PortLogo-r.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 HDMI FORUM RELEASES HDMI 2.2 SPECIFICATION
H2 Bandwidth and Resolutions
H2 ENHANCED GAMING FEATURES
H2 Latest Posts
H2 Useful Links
H2 Our Contacts
H3 Become an Adopter
H3 HDMI 2.2 Specification
H3 HDMI Authenticate
H3 Press Releases
H3 Announcements
H3 Trademark Usage
H3 HDMI Cable Guide
H3 Upcoming Events and Plugfests
H3 Premium High Speed HDMI Cable
H3 Upcoming Events
H3 HDMI Blog Posts
H3 Follow @HDMILicensing
H4 About HDMI Technology
H4 Becoming an Adopter
H4 Trademarks & Logos
H4 USA
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 4 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://hdmi.org/IMG-ALT HDMI LA Logo
https://hdmi.org/Home/index_cnChinese
https://adopter.hdmi.org/login...New window External Subdomain Extranet Login
https://hdmi.org/Home
https://hdmi.org/spec/indexSpecifications
https://hdmi.org/spec/indexSpecifications Overview
https://hdmi.org/spec/hdmi2HDMI Specification 2.2
https://hdmi.org/spec/hdmi2HDMI 2.2 Overview
/spec2sub/res-bandwidthBandwidths and Resolutions
/spec2sub/ultrahdmicablesUltra96 HDMI Cable and Ultra High Speed HDMI Cable
https://hdmi.org/spec2sub/ultra96Ultra96 Feature Name
https://hdmi.org/spec2sub/lipLatency Indication Protocol (LIP)
/spec2sub/dynamichdrDynamic HDR
/spec2sub/sourcebasedtonemappingSource-Based Tone Mapping (SBTM)
/spec2sub/enhancedaudioreturnc...Enhanced Audio Return Channel (eARC)
https://hdmi.org/spec2sub/gamingEnhanced Gaming Features
/spec2sub/variablerefreshrateVariable Refresh Rate (VRR)
/spec2sub/autolowlatencymodeAuto Low Latency Mode (ALLM)
/spec2sub/quickframetransportQuick Frame Transport (QFT)
/spec2sub/quickmediaswitchingQuick Media Switching (QMS)
/spec2sub/cablepowerCable Power
https://hdmi.org/spec/hdmi1_4bHDMI Specification 1.4b
/spec/premiumcablePremium Cable
https://hdmi.org/spec/passiveHDMI Passive Adapter
https://hdmi.org/adopter/indexAdopters
https://hdmi.org/adopter/indexBecoming an Adopter
https://hdmi.org/adopter/welcomeNew HDMI Adopters
https://hdmi.org/adopter/foundersHDMI Founders
/adopter/adoptersaffiliatesHDMI Adopters
https://hdmi.org/adopter/embeddedEmbedded Licensees
/adopter/terminatedTerminated Adopters
/adopter/enforcementEnforcement Search Tool
https://hdmi.org/adopter/indexAbout HDMI Forum
https://adopter.hdmi.org/login...New window External Subdomain Adopter-Only Extranet
https://hdmi.org/resource/indexResources
https://hdmi.org/resource/indexResources Overview
https://hdmi.org/resource/cablesHDMI Cables
https://hdmi.org/resource/testingTesting Resources
https://hdmi.org/resource/testingTesting Policies
/adopter/equipmentTest Equipment Manufacturers
https://hdmi.org/adopter/atcsAuthorized Test Centers (ATC)
https://hdmi.org/resource/brandLicensing and Trademarks
https://hdmi.org/resource/brandHDMI as a Brand
https://hdmi.org/docs/trademarksTrademarks Guidelines
/docs/royaltydiscountRoyalty Discounts
https://hdmi.org/resource/logosHDMI Logos
/resource/brandenforceBrand Enforcement
/adopter/enforcementText duplicate Enforcement Search Tool
/resource/InfringeReport an Infringer
https://hdmi.org/resource/indexApproved Connectors
/?_escaped_fragment_Anchor Press Events Social
https://hdmi.org/press/indexPress Releases
https://hdmi.org/announce/indexAnnouncements
https://hdmi.org/event/indexEvents & Plugfests
https://hdmi.org/blog/indexHDMI Blog Posts
https://twitter.com/HDMILicens...New window External Tweets @HDMI Licensing
/press/pressresourcesPress Resources
/?_escaped_fragment_Anchor Archives
/press/pressarchivesText duplicate Press Releases
/announce/announcearchivesText duplicate Announcements
/blog/blogarchivesBlogs
/?_escaped_fragment_Anchor No Text
https://hdmi.org/press/indexLearn more ...
/spec2sub/res-bandwidthText duplicate Learn more ...
https://hdmi.org/spec21Sub/GamingText duplicate Learn more ...
https://hdmi.org/adopter/indexBecome an Adopter
https://hdmi.org/adopter/indexLearn more...
https://hdmi.org/spec/hdmi2_1HDMI 2.2 Specification
https://hdmi.org/spec/hdmi2Text duplicate Learn more...
/resource/infringeHDMI Authenticate
/resource/infringeText duplicate Learn more...
https://hdmi.org/press/indexHDMI FORUM RELEASES VERSION 2.2 OF THE HDMI SPECIFICATION
https://hdmi.org/press/indexHDMI FORUM ANNOUNCES VERSION 2.2 OF THE HDMI SPECIFICATION
https://hdmi.org/announce/indexHDMI LA Announces the HDMI Adopters of the Year
https://hdmi.org/announce/indexHDMI LA Speaking at Audio and Video Industry Forum in Beijing
/requestform/clickrequestasync...Trademark Usage
/requestform/clickrequestasync...Text duplicate Learn more...
https://hdmi.org/resource/cablesHDMI Cable Guide
https://hdmi.org/resource/cablesText duplicate Learn more...
https://hdmi.org/event/indexUpcoming Events and Plugfests
https://hdmi.org/event/indexText duplicate Learn more...
/spec/premiumcablePremium High Speed HDMI Cable
/spec21Sub/ultrahighspeedcableNo Text
/spec/premiumcableText duplicate Learn more...
https://hdmi.org/No Text
https://hdmi.org/event/indexUpcoming Events
https://hdmi.org/blog/indexText duplicate HDMI Blog Posts
https://twitter.com/HDMILicens...External Follow @HDMILicensing
https://hdmi.org/spec/indexAbout HDMI Technology
https://hdmi.org/adopter/indexText duplicate Becoming an Adopter
https://hdmi.org/docs/trademarksTrademarks & Logos
https://hdmi.org/home/contactContact HDMI LA
https://hdmi.org/home/privacyPrivacy Policy
https://hdmi.org/home/termsTerms of Use
https://hdmi.org/Account/LoginLogin
/?_escaped_fragment_Anchor No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://hdmi.org/"
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 slow (1.09 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 (47 kB).

HTTP Response Header

NameValue
dateWed, 16 Jul 2025 11:19:54 GMT
content-typetext/html; charset=utf-8
serverKestrel
varyAccept-Encoding
content-encodinggzip
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 250 referring domains.
This page has 1,782 backlinks.
This page has backlinks from 203 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /Account/
Disallow: /Manage/
Disallow: /Requestform/
Disallow: /Register/
Disallow: /Shared/
Disallow: /Search/
Disallow: /Qr/

Noindex: /Account/
Noindex: /Manage/
Noindex: /Requestform/
Noindex: /Register/
Noindex: /Shared/
Noindex: /Search/
Noindex: /Qr/

Allow: /Home/
Allow: /Spec/
Allow: /Adopter/
Allow: /Resource/
Allow: /Press/
Allow: /Announce/
Allow: /Event/
Allow: /Blog/

Sitemap: https://www.hdmi.org/sitemap.xml

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Search preview

hdmi.org
HDMI Licensing Administrator, Inc.
HDMI.org is the licensing agent to administer licensing of HDMI Specification, promote HDMI technology and provide education on the benefits of HDMI interface..

Most important keywords

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

KeywordResultRecheck
HDMI76%Check
HDMI Licensing67%Check
HDMI Specification66%Check
Licensing62%Check
HDMI Technology61%Check
HDMI Cable59%Check
Specification58%Check
HDMI Licensing Administrator58%Check
HDMI Forum55%Check
HDMI 2.255%Check
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