Pdfa.org - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
72% 
Page structure
41% 
Link structure
25% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.14 s
File size
249.30 kB
Words
1182
Media files
42
Number of links
179 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
PDF Association – PDF’s technical community
There are word repetitions in the page title.
The length of the page title is perfect. (414 pixels out of 580 max pixel length)
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://pdfa.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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
robotsmax-image-preview:large
viewportwidth=device-width, initial-scale=1
generatorWooCommerce 9.2.3
msapplication-TileImagehttps://pdfa.org/wp-content/uploads/2019/01/cropped-logo_squares_trans-1-270x270.png
langen-us
charsetUTF-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 30.41 words is high.
This page contains 1182 words. That's ok.
23.9% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
25 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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: explore membership benefits
Image SEO
(Somewhat important)
29 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
...2018/12/pdf-association-logo-300x141.pngPDF Association logo
...uploads/2024/08/PDFUA-bundle-150x150.pngNo alt attribute provided
...-PDF_Association_Logo_RGB_border_200.jpgPDF Association logo
...-PDF_Association_Logo_RGB_border_200.jpgPDF Association logo
...oads/2020/05/member-area-col-216x300.jpgMember Area
...-PDF_Association_Logo_RGB_border_200.jpgPDF Association logo
...9/cta_gray-2-wpv_20x20_center_center.jpgNo alt attribute provided
...9/cta_gray-2-wpv_20x20_center_center.jpgNo alt attribute provided
...09/cta_green-wpv_20x20_center_center.jpgNo alt attribute provided
...09/cta_green-wpv_20x20_center_center.jpgNo alt attribute provided
...9/cta_gray-2-wpv_20x20_center_center.jpgNo alt attribute provided
...9/cta_gray-2-wpv_20x20_center_center.jpgNo alt attribute provided
...s/2023/12/Our-Mission-uni_150_shadow.pngIcon for our mission
...ds/2023/12/Our-Vision-uni_150_shadow.pngIcon for our vision
...content/uploads/2024/08/PDFUA-bundle.pngNo alt attribute provided
...-_ensemble_square_____2024_-_b_720-1.pngNo alt attribute provided
...ploads/2024/07/Unknown-image-formats.pngNo alt attribute provided
/wp-content/uploads/2024/09/SDR-vs-HDR.pngNo alt attribute provided
...ent/uploads/2024/08/Paginating_a_PDF.pngNo alt attribute provided
...content/uploads/2024/08/PraguePromo3.pngNo alt attribute provided
/wp-content/uploads/2024/08/PragueSQ.pngNo alt attribute provided
...ontent/uploads/2024/07/PDF-folder-up.pngNo alt attribute provided
...24/05/page-without-supported-filter2.pngNo alt attribute provided
...blocks/embedded/res/img/ajax-loader2.svgNo alt attribute provided
...le_Go@2x-1-wpv_300x300_center_center.pngNo alt attribute provided
...s-software-wpv_300x300_center_center.jpgNo alt attribute provided
..._1080-EN-1-wpv_300x300_center_center.pngNo alt attribute provided
...-Toolkit-3-wpv_300x300_center_center.pngNo alt attribute provided
...ting_a_PDF-wpv_300x300_center_center.pngNo alt attribute provided
...aguePromo3-wpv_300x300_center_center.pngNo alt attribute provided
...PDF-v93-PR-wpv_300x300_center_center.jpgNo alt attribute provided
...8/PragueSQ-wpv_300x300_center_center.pngNo alt attribute provided
...f-the-Year-wpv_300x300_center_center.jpgNo alt attribute provided
...img-update-wpv_300x300_center_center.pngNo alt attribute provided
...C_dec_Blog-wpv_300x300_center_center.pngNo alt attribute provided
.../07/pdf1-1-wpv_300x300_center_center.pngNo alt attribute provided
...2018/12/pdf-association-logo-300x141.pngPDF Association logo
/wp-content/uploads/2021/02/octocat.pngVisit us on GitHub
/wp-content/uploads/2018/12/some_mail.pngSend an email
...ontent/uploads/2018/12/some_linkedin.pngVisit us on LinkedIn
...content/uploads/2018/12/some_youtube.pngVisit us on YouTube
...tent/uploads/2018/12/some_facebook-2.pngVisit us on Facebook

Page structure

H1 heading
(Critically important)
Announcing no-cost access to PDF’s accessibility standards
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.
There are 31 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 Announcing no-cost access to PDF’s accessibility standards
H1 What's happening on pdfa.org
H1 What's happening on pdfa.org Duplicate text
H2 Featured articles
H2 Discover pdfa.org
H2 Key resources
H2 Get involved
H2 Home of the worldwide PDF technical community
H2 Featured News
H2 More Featured News
H2 Articles and PDF Association News
H3 PDF 2.0 “Errata Collection 2” is now available
H3 Don’t risk losing users’ trust: future-proof your PDF implementations
H3 Liaison with TC 42 brings HDR closer
H3 PDF-UX: Page Labels
H3 Announcing PDF Week Prague – November 4-8, 2024
H3 Developers must validate!
H3 EA-PDF isn’t published yet, but it’s already catching on!
H3 Preparing for PDF files “from the future”
H4 PDF Accessibility Validation Available Now… For FREE!
H4 David van Driessche joins callas software as Chief Evangelist
H4 UPDF Enables Users Through New ‘Compare PDF Files’ Functionality for Efficient Document Comparisons
H4 pdfRest Launches PDF Toolkit Container API
H4 PDF-UX: Page Labels Duplicate text
H4 Announcing PDF Week Prague – November 4-8, 2024 Duplicate text
H4 Solimar Systems ReadyPDF and SPDE (Speedy) version 9.3 Offer Key Enhanced Functionality and Performance
H4 Developers must validate! Duplicate text
H4 Crawford Technologies’ Language Translation Solution Wins Xplor Technology of the Year Award
H4 Datalogics PDF2IMG Command-Line Tool Now Updated to NuGet Package v4.9.0
H4 Accessibility on the rise: Free training courses in September
H4 UPDF Recognized as High Performer in the Summer 2024 G2 Grid Report!
Some internal link anchor texts are too long.
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.
13 links don't have an anchor text.
There are 17 links with a trivial anchor text.
The number of internal links is ok.
There are 9 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://pdfa.org/Anchor Skip to content
A-TITLE Skip to content
https://pdfa.org/IMG-ALT PDF Association logo
/announcing-no-cost-access-to-...Announcing no-cost access to PDF’s accessibility standards
/pdf-2-0-errata-collection-2-i...PDF 2.0 “Errata Collection 2” is now available
/dont-risk-losing-users-trust-...Don’t risk losing users’ trust: future-proof your PDF implementations
https://pdfa.org/resource/publications
https://pdfa.org/resources/technical index
https://pdfa.org/member/PDF Association members
https://pdfa.org/presentation/presentations
/resource/vscode-extension-pdf...VS Code extension
/resource/pdf-cheat-sheets/cheat sheets
/sponsored-standards/ISO 32000-2 at no cost
https://github.com/pdf-associa...External ISO 32000-2 errata
https://pdf-issues.pdfa.org/External Subdomain resolutions
https://pdfa.org/member-benefits/benefits
https://pdfa.org/become-a-member/Join the PDF Association!
https://pdfa.org/community/working groups
https://pdfa.org/solution-agent/Solution Agent
/support-for-pdf-features-and-...New window members’ public statements of support
https://pdfa.org/Text duplicate IMG-ALT PDF Association logo
https://pdfa.org/solution-agent/Text duplicate Solution Agent
https://pdfa.org/about-us/About Us
https://pdfa.org/board-staff/Board and staff members
/working-group-chairs/Working Group chairs
https://pdfa.org/contact-us/Contact us
https://pdfa.org/about-us/About us
/about-us/the-portable-documen...About PDF
https://pdfa.org/Text duplicate IMG-ALT PDF Association logo
https://pdfa.org/news/News
https://pdfa.org/eventEvents
https://pdfa.org/resource/Resources
https://pdfa.org/resources/Technical index
https://pdfa.org/resource/Publications
/resource/?wpv-resource-type=i...ISO standards
/resource/iso-32000-pdf/Download ISO 32000
https://pdf-issues.pdfa.org/External Subdomain Specifications errata
/github-repositories/GitHub repositories
/glossary-of-pdf-terms/Glossary of PDF terms
https://pdfa.org/presentation/Presentations
https://pdfa.org/accessibility/Accessible PDF
https://pdfa.org/archival-pdf/Archival PDF
https://pdfa.org/community/Community
https://pdfa.org/community/Technical WGs
https://pdfa.org/community/Liaison WGs
https://pdfa.org/community/Marketing WGs
https://pdfa.org/community/US TAG WGs
https://pdfa.org/member/Member
https://pdfa.org/member-area/Member Area
https://pdfa.org/member/Members
https://pdfa.org/products/Product showcase
https://pdfa.org/case-studies/Case studies
https://pdfa.org/white-papers/White papers
/support-for-pdf-features-and-...Feature support
https://pdfa.org/member-benefits/Membership benefits
https://pdfa.org/become-a-member/Join the PDF Association
https://pdfa.org/about-us/Text duplicate About us
https://pdfa.org/board-staff/Text duplicate Board and staff members
/working-group-chairs/Text duplicate Working Group chairs
https://pdfa.org/contact-us/Text duplicate Contact us
https://pdfa.org/about-us/Text duplicate About us
https://pdfa.org/member-area/Member area
https://pdfa.org/member-area/Text duplicate IMG-ALT Member Area
https://pdfa.org/Text duplicate IMG-ALT PDF Association logo
https://pdfa.org/news/Text duplicate News
https://pdfa.org/eventText duplicate Events
https://pdfa.org/resource/Text duplicate Resources
https://pdfa.org/resources/Text duplicate Technical index
https://pdfa.org/resource/Text duplicate Publications
/resource/?wpv-resource-type=i...Text duplicate ISO standards
/resource/iso-32000-pdf/Text duplicate Download ISO 32000
https://pdf-issues.pdfa.org/External Subdomain Text duplicate Specifications errata
/github-repositories/Text duplicate GitHub repositories
/glossary-of-pdf-terms/Text duplicate Glossary of PDF terms
https://pdfa.org/presentation/Text duplicate Presentations
https://pdfa.org/accessibility/Text duplicate Accessible PDF
https://pdfa.org/archival-pdf/Text duplicate Archival PDF
https://pdfa.org/community/Text duplicate Community
https://pdfa.org/community/Text duplicate Technical WGs
https://pdfa.org/community/Text duplicate Liaison WGs
https://pdfa.org/community/Text duplicate Marketing WGs
https://pdfa.org/community/Text duplicate US TAG WGs
https://pdfa.org/member/Text duplicate Member
https://pdfa.org/member-area/Text duplicate Member Area
https://pdfa.org/member/Text duplicate Members
https://pdfa.org/products/Text duplicate Product showcase
https://pdfa.org/case-studies/Text duplicate Case studies
https://pdfa.org/white-papers/Text duplicate White papers
/support-for-pdf-features-and-...Text duplicate Feature support
https://pdfa.org/member-benefits/Text duplicate Membership benefits
https://pdfa.org/become-a-member/Text duplicate Join the PDF Association
https://pdfa.org/about-us/Text duplicate About us
https://pdfa.org/board-staff/Text duplicate Board and staff members
/working-group-chairs/Text duplicate Working Group chairs
https://pdfa.org/contact-us/Text duplicate Contact us
https://pdfa.org/about-us/Text duplicate About us
https://pdfa.org/member-area/Text duplicate Member area
https://pdfa.org/member-benefits/Explore membership benefits
https://pdfa.org/member-benefits/Text duplicate Explore membership benefits
/sponsored-standards/ISO 32000 bundle is now updated!
/sponsored-standards/Text duplicate ISO 32000 bundle is now updated!
https://pdfa.org/become-a-member/Become a Member!
https://pdfa.org/become-a-member/Text duplicate Become a Member!
/announcing-no-cost-access-to-...No Text
/announcing-no-cost-access-to-...Text duplicate Announcing no-cost access to PDF’s accessibility standards
/people/pdf-association/PDF Association staff
/pdf-2-0-errata-collection-2-i...PDF 2.0 “Errata Collection 2” is now available July 2024, PDF Association staff, PDF Association The latest PDF 2.0 Errata Collection 2 is a complete update ...
/pdf-2-0-errata-collection-2-i...Text duplicate PDF 2.0 “Errata Collection 2” is now available
/people/pdf-association/Text duplicate PDF Association staff
/member/pdf-association/PDF Association
/pdf-2-0-errata-collection-2-i...Trivial anchor text
Read more
A-TITLE PDF 2.0 “Errata Collection 2” is now available
/dont-risk-losing-users-trust-...Don’t risk losing users’ trust: future-proof your PDF implementations July 2024, Peter Wyatt, PDF Association To avoid confusing and frustrating users, appli...
/dont-risk-losing-users-trust-...Text duplicate Don’t risk losing users’ trust: future-proof your PDF implementations
/people/peter-wyatt/Peter Wyatt
/member/pdf-association/Text duplicate PDF Association
/dont-risk-losing-users-trust-...Text duplicate Trivial anchor text
Read more
A-TITLE Don’t risk losing users’ trust: future-proof your PDF implementations
/liaison-with-tc-42-brings-hdr...Liaison with TC 42 brings HDR closer Login required September 2024, PDF Association staff PDF Association members – especially those working on PDF’s imaging...
/liaison-with-tc-42-brings-hdr...Liaison with TC 42 brings HDR closer
/people/pdf-association/Text duplicate PDF Association staff
/liaison-with-tc-42-brings-hdr...Text duplicate Trivial anchor text
Read more
A-TITLE Liaison with TC 42 brings HDR closer
/pdf-ux-page-labels/PDF-UX: Page Labels August 2024, Peter Wyatt Does your PDF viewer fully support page labels? Does your PDF authoring software? Support for page labels can be...
/pdf-ux-page-labels/PDF-UX: Page Labels
/people/peter-wyatt/Text duplicate Peter Wyatt
/pdf-ux-page-labels/Text duplicate Trivial anchor text
Read more
A-TITLE PDF-UX: Page Labels
/announcing-pdf-week-prague-no...Announcing PDF Week Prague – November 4-8, 2024 August 2024, PDF Association staff The third PDF Week of 2024 will be hosted by Charles University in the bea...
/announcing-pdf-week-prague-no...Announcing PDF Week Prague – November 4-8, 2024
/people/pdf-association/Text duplicate PDF Association staff
/announcing-pdf-week-prague-no...Text duplicate Trivial anchor text
Read more
A-TITLE Announcing PDF Week Prague – November 4-8, 2024
/developers-must-validate/Developers must validate! August 2024, PDF Association staff Devs must VALIDATE before applying ISO-standardized subset metadata to PDFs! | PDF Week Prague a...
/developers-must-validate/Developers must validate!
/people/pdf-association/Text duplicate PDF Association staff
/developers-must-validate/Text duplicate Trivial anchor text
Read more
A-TITLE Developers must validate!
/ea-pdf-isnt-published-yet-but...EA-PDF isn’t published yet, but it’s already catching on! July 2024, PDF Association staff Wired likes PDF/A, Google and Apple do PDF creation from phone cam...
/ea-pdf-isnt-published-yet-but...EA-PDF isn’t published yet, but it’s already catching on!
/people/pdf-association/Text duplicate PDF Association staff
/ea-pdf-isnt-published-yet-but...Text duplicate Trivial anchor text
Read more
A-TITLE EA-PDF isn’t published yet, but it’s already catching on!
/preparing-for-pdf-files-from-...Preparing for PDF files “from the future” July 2024, Peter Wyatt These synthetic files are intended for user experience and human-computer interaction (HCI) ...
/preparing-for-pdf-files-from-...Preparing for PDF files “from the future”
/people/peter-wyatt/Text duplicate Peter Wyatt
/preparing-for-pdf-files-from-...Text duplicate Trivial anchor text
Read more
A-TITLE Preparing for PDF files “from the future”
https://pdfa.org/co-ceo/PDF Accessibility Validation Available Now… For FREE!
https://pdfa.org/co-ceo/No Text
https://pdfa.org/co-ceo/Text duplicate Trivial anchor text
Read more
A-TITLE PDF Accessibility Validation Available Now… For FREE!
/david-van-driessche-joins-cal...David van Driessche joins callas software as Chief Evangelist
/david-van-driessche-joins-cal...No Text
/david-van-driessche-joins-cal...Text duplicate Trivial anchor text
Read more
A-TITLE David van Driessche joins callas software as Chief Evangelist
/updf-enables-users-through-ne...UPDF Enables Users Through New ‘Compare PDF Files’ Functionality for Efficient Document Comparisons
/updf-enables-users-through-ne...No Text
/pdfrest-launches-pdf-toolkit-...pdfRest Launches PDF Toolkit Container API
/pdfrest-launches-pdf-toolkit-...No Text
/pdfrest-launches-pdf-toolkit-...Text duplicate Trivial anchor text
Read more
A-TITLE pdfRest Launches PDF Toolkit Container API
/pdf-ux-page-labels/Text duplicate PDF-UX: Page Labels
/pdf-ux-page-labels/No Text
/pdf-ux-page-labels/Text duplicate Trivial anchor text
Read more
A-TITLE PDF-UX: Page Labels
/announcing-pdf-week-prague-no...Text duplicate Announcing PDF Week Prague – November 4-8, 2024
/announcing-pdf-week-prague-no...No Text
/announcing-pdf-week-prague-no...Text duplicate Trivial anchor text
Read more
A-TITLE Announcing PDF Week Prague – November 4-8, 2024
/solimar-systems-readypdf-and-...Solimar Systems ReadyPDF and SPDE (Speedy) version 9.3 Offer Key Enhanced Functionality and Performance
/solimar-systems-readypdf-and-...No Text
/solimar-systems-readypdf-and-...Text duplicate Trivial anchor text
Read more
A-TITLE Solimar Systems ReadyPDF and SPDE (Speedy) version 9.3 Offer Key Enhanced Functionality and Performance
/developers-must-validate/Text duplicate Developers must validate!
/developers-must-validate/No Text
/developers-must-validate/Text duplicate Trivial anchor text
Read more
A-TITLE Developers must validate!
/crawford-technologies-languag...Crawford Technologies’ Language Translation Solution Wins Xplor Technology of the Year Award
/crawford-technologies-languag...No Text
/datalogics-pdf2img-command-li...Datalogics PDF2IMG Command-Line Tool Now Updated to NuGet Package v4.9.0
/datalogics-pdf2img-command-li...No Text
/datalogics-pdf2img-command-li...Text duplicate Trivial anchor text
Read more
A-TITLE Datalogics PDF2IMG Command-Line Tool Now Updated to NuGet Package v4.9.0
/accessibility-on-the-rise-fre...Accessibility on the rise: Free training courses in September
/accessibility-on-the-rise-fre...No Text
/updf-recognized-as-high-perfo...UPDF Recognized as High Performer in the Summer 2024 G2 Grid Report!
/updf-recognized-as-high-perfo...No Text
/updf-recognized-as-high-perfo...Text duplicate Trivial anchor text
Read more
A-TITLE UPDF Recognized as High Performer in the Summer 2024 G2 Grid Report!
https://pdfa.org/news/Text duplicate News
https://pdfa.org/event/Text duplicate Events
https://pdfa.org/resource/Text duplicate Resources
https://pdfa.org/community/Communities
https://pdfa.org/member/Text duplicate Members
https://pdfa.org/about-us/Text duplicate About us
https://pdfa.org/privacy-policy/New window Privacy Policy
https://github.com/pdf-associa...New window External IMG-ALT Visit us on GitHub
https://www.linkedin.com/compa...New window External Subdomain IMG-ALT Visit us on LinkedIn
https://www.youtube.com/user/T...New window External Subdomain IMG-ALT Visit us on YouTube
https://www.facebook.com/PDFas...New window External Subdomain IMG-ALT Visit us on Facebook
https://pdfa.org/privacy-policy/Text duplicate Privacy Policy
https://pdfa.org/imprint/Imprint
/intellectual-property-rights-...Intellectual Property Rights (IPR) Policy
https://pdfa.org/Anchor Change privacy settings
https://devowl.io/wordpress-re...New window External WordPress Cookie Notice by Real Cookie Banner

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://pdfa.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.14 seconds.
The file size of the HTML document is fine (249 kB).

HTTP Response Header

NameValue
dateSun, 08 Sep 2024 13:18:26 GMT
content-typetext/html; charset=UTF-8
cf-ray8bff397a4d72bbf8-FRA
cf-cache-statusDYNAMIC
cache-controlno-store, no-cache, must-revalidate
expiresThu, 19 Nov 1981 08:52:00 GMT
link<https://pdfa.org/wp-json/>; rel="https://api.w.org/", <https://pdfa.org/wp-json/wp/v2/pages/122367>; rel="alternate"; title="JSON"; type="application/json", <https://pdfa.org/>; rel=shortlink
set-cookie50 Characters
varyAccept-Encoding
ki-cache-typeNone
ki-cf-cache-statusBYPASS
ki-edgev=20.2.8;mv=3.1.0
ki-origing1p
pragmano-cache
x-content-type-optionsnosniff
x-edge-location-klb1
x-kinsta-cacheHIT
x-ua-compatibleIE=edge
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=BepieA9lb2%2BJ1SXm%2BGxMTWK6CBU0qvlHk29C8X%2FNe8iw9nEC3X671OfiStTGrTkEHcpEm7kv5NujSAyUgff7mnxvuz%2BPuksysktFayJmPUqlcA7%2FI6%2FfK0FS"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
servercloudflare
content-encodinggzip
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 2,093 referring domains.
This page has 87,591 backlinks.
This page has backlinks from 1,217 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# This virtual robots.txt file was created by the Virtual Robots.txt WordPress plugin: https://www.wordpress.org/plugins/pc-robotstxt/
User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php
Disallow: /wp-includes/
Allow: /wp-includes/js/
Allow: /wp-includes/images/
Disallow: /trackback/
Disallow: /wp-login.php
Disallow: /wp-register.php
Disallow: /electronic-document-conference-sponsorship-signup/
Disallow: /developing-pdf-techniques-for-accessibility/
Disallow: /member-report/
Disallow: /member-area/
Disallow: /sponsor-the-pdf-association-documentary-30-years-of-pdf/

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Search preview

Most important keywords

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

KeywordResultRecheck
PDF73%Check
PDF Association61%Check
PDF accessibility59%Check
pdfa56%Check
org56%Check
Association54%Check
accessibility54%Check
pdf files54%Check
Announcing54%Check
PDF Week54%Check
Show more keywords and terms

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