Udlguidelines.cast.org - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
95% 
Page structure
57% 
Link structure
60% 
Server
32% 
External factors
100% 
SEO Score
Response time
0.48 s
File size
129.90 kB
Words
1266
Media files
3
Number of links
146 internal / 18 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
UDL: The UDL Guidelines
There are word repetitions in the page title.
The length of the page title is perfect. (234 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)
No canonical link is 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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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=1.0, shrink-to-fit=no
langen-us
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
This page contains 1266 words. That's ok.
24.7% 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.
5 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 16.92 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 6 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, shrink-to-fit=no" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 206 characters this one is longer than 70 characters:
"these guidelines offer a set of concrete suggestions that can be applied to any discipline or domain t..."
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
/images/udlg/logo-cast.svgCAST
/images/udlg/logo-texthelp.pngTexthelp
/images/udlg/logo-cast-footer.svgCAST | Until learning has no limits

Page structure

H1 heading
(Critically important)
The UDL Guidelines
The H1 heading is too short (18 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
There are 98 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 The UDL Guidelines
H2 Reenvisioning the UDL Guidelines
H2 Universal Design for Learning Guidelines
H3 Provide multiple means of Engagement
H3 Provide multiple means of Representation
H3 Provide multiple means of Action & Expression
H3 Expert Learners who are…
H3 Provide multiple means of Engagement Duplicate text
H3 Provide multiple means of Representation Duplicate text
H3 Provide multiple means of Action & Expression Duplicate text
H3 Expert Learners who are… Duplicate text
H4 Provide options for Recruiting Interest (guideline7)
H4 Provide options for Sustaining Effort & Persistence (guideline8)
H4 Provide options for Self Regulation (guideline9)
H4 Provide options for Perception (guideline1)
H4 Provide options for Language & Symbols (guideline2)
H4 Provide options for Comprehension (guideline3)
H4 Provide options for Physical Action (guideline4)
H4 Provide options for Expression & Communication (guideline5)
H4 Provide options for Executive Functions (guideline6)
H4 Purposeful & Motivated
H4 Resourceful & Knowledgeable
H4 Strategic & Goal-Directed
H4 UDL Guidelines
H4 Provide options for Recruiting Interest (guideline7) Duplicate text
H4 Provide options for Sustaining Effort & Persistence (guideline8) Duplicate text
H4 Provide options for Self Regulation (guideline9) Duplicate text
H4 Provide options for Perception (guideline1) Duplicate text
H4 Provide options for Language & Symbols (guideline2) Duplicate text
H4 Provide options for Comprehension (guideline3) Duplicate text
H4 Provide options for Physical Action (guideline4) Duplicate text
H4 Provide options for Expression & Communication (guideline5) Duplicate text
H4 Provide options for Executive Functions (guideline6) Duplicate text
H4 Purposeful & Motivated Duplicate text
H4 Resourceful & Knowledgeable Duplicate text
H4 Strategic & Goal-Directed Duplicate text
H5 Optimize individual choice and autonomy (checkpoint 7.1)
H5 Optimize relevance, value, and authenticity (checkpoint 7.2)
H5 Minimize threats and distractions (checkpoint 7.3)
H5 Heighten salience of goals and objectives (checkpoint 8.1)
H5 Vary demands and resources to optimize challenge (checkpoint 8.2)
H5 Foster collaboration and community (checkpoint 8.3)
H5 Increase mastery-oriented feedback (checkpoint 8.4)
H5 Promote expectations and beliefs that optimize motivation (checkpoint 9.1)
H5 Facilitate personal coping skills and strategies (checkpoint 9.2)
H5 Develop self-assessment and reflection (checkpoint 9.3)
H5 Offer ways of customizing the display of information (checkpoint 1.1)
H5 Offer alternatives for auditory information (checkpoint 1.2)
H5 Offer alternatives for visual information (checkpoint 1.3)
H5 Clarify vocabulary and symbols (checkpoint 2.1)
H5 Clarify syntax and structure (checkpoint 2.2)
H5 Support decoding of text, mathematical notation, and symbols (checkpoint 2.3)
H5 Promote understanding across languages (checkpoint 2.4)
H5 Illustrate through multiple media (checkpoint 2.5)
H5 Activate or supply background knowledge (checkpoint 3.1)
H5 Highlight patterns, critical features, big ideas, and relationships (checkpoint 3.2)
H5 Guide information processing and visualization (checkpoint 3.3)
H5 Maximize transfer and generalization (checkpoint 3.4)
H5 Vary the methods for response and navigation (checkpoint 4.1)
H5 Optimize access to tools and assistive technologies (checkpoint 4.2)
H5 Use multiple media for communication (checkpoint 5.1)
H5 Use multiple tools for construction and composition (checkpoint 5.2)
H5 Build fluencies with graduated levels of support for practice and performance (checkpoint 5.3)
H5 Guide appropriate goal-setting (checkpoint 6.1)
H5 Support planning and strategy development (checkpoint 6.2)
H5 Facilitate managing information and resources (checkpoint 6.3)
H5 Enhance capacity for monitoring progress (checkpoint 6.4)
H5 Optimize individual choice and autonomy (checkpoint 7.1) Duplicate text
H5 Optimize relevance, value, and authenticity (checkpoint 7.2) Duplicate text
H5 Minimize threats and distractions (checkpoint 7.3) Duplicate text
H5 Heighten salience of goals and objectives (checkpoint 8.1) Duplicate text
H5 Vary demands and resources to optimize challenge (checkpoint 8.2) Duplicate text
H5 Foster collaboration and community (checkpoint 8.3) Duplicate text
H5 Increase mastery-oriented feedback (checkpoint 8.4) Duplicate text
H5 Promote expectations and beliefs that optimize motivation (checkpoint 9.1) Duplicate text
H5 Facilitate personal coping skills and strategies (checkpoint 9.2) Duplicate text
H5 Develop self-assessment and reflection (checkpoint 9.3) Duplicate text
H5 Offer ways of customizing the display of information (checkpoint 1.1) Duplicate text
H5 Offer alternatives for auditory information (checkpoint 1.2) Duplicate text
H5 Offer alternatives for visual information (checkpoint 1.3) Duplicate text
H5 Clarify vocabulary and symbols (checkpoint 2.1) Duplicate text
H5 Clarify syntax and structure (checkpoint 2.2) Duplicate text
H5 Support decoding of text, mathematical notation, and symbols (checkpoint 2.3) Duplicate text
H5 Promote understanding across languages (checkpoint 2.4) Duplicate text
H5 Illustrate through multiple media (checkpoint 2.5) Duplicate text
H5 Activate or supply background knowledge (checkpoint 3.1) Duplicate text
H5 Highlight patterns, critical features, big ideas, and relationships (checkpoint 3.2) Duplicate text
H5 Guide information processing and visualization (checkpoint 3.3) Duplicate text
H5 Maximize transfer and generalization (checkpoint 3.4) Duplicate text
H5 Vary the methods for response and navigation (checkpoint 4.1) Duplicate text
H5 Optimize access to tools and assistive technologies (checkpoint 4.2) Duplicate text
H5 Use multiple media for communication (checkpoint 5.1) Duplicate text
H5 Use multiple tools for construction and composition (checkpoint 5.2) Duplicate text
H5 Build fluencies with graduated levels of support for practice and performance (checkpoint 5.3) Duplicate text
H5 Guide appropriate goal-setting (checkpoint 6.1) Duplicate text
H5 Support planning and strategy development (checkpoint 6.2) Duplicate text
H5 Facilitate managing information and resources (checkpoint 6.3) Duplicate text
H5 Enhance capacity for monitoring progress (checkpoint 6.4) Duplicate text
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 18 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://udlguidelines.cast.org/Anchor Skip to main content
https://www.cast.org/?utm_sour...External Subdomain IMG-ALT CAST
https://udlguidelines.cast.org/UDL Guidelines
/engagementEngagement
/engagement/recruiting-interestRecruiting Interest
/engagement/recruiting-interes...Optimize individual choice and autonomy
/engagement/recruiting-interes...Optimize relevance, value, and authenticity
/engagement/recruiting-interes...Minimize threats and distractions
/engagement/effort-persistenceSustaining Effort & Persistence
/engagement/effort-persistence...Heighten salience of goals and objectives
/engagement/effort-persistence...Vary demands and resources to optimize challenge
/engagement/effort-persistence...Foster collaboration and community
/engagement/effort-persistence...Increase mastery-oriented feedback
/engagement/self-regulationSelf Regulation
/engagement/self-regulation/op...Promote expectations and beliefs that optimize motivation
/engagement/self-regulation/co...Facilitate personal coping skills and strategies
/engagement/self-regulation/se...Develop self-assessment and reflection
/representationRepresentation
/representation/perceptionPerception
/representation/perception/cus...Offer ways of customizing the display of information
/representation/perception/alt...Offer alternatives for auditory information
/representation/perception/alt...Offer alternatives for visual information
/representation/language-symbolsLanguage & Symbols
/representation/language-symbo...Clarify vocabulary and symbols
/representation/language-symbo...Clarify syntax and structure
/representation/language-symbo...Support decoding of text, mathematical notation, and symbols
/representation/language-symbo...Promote understanding across languages
/representation/language-symbo...Illustrate through multiple media
/representation/comprehensionComprehension
/representation/comprehension/...Activate or supply background knowledge
/representation/comprehension/...Highlight patterns, critical features, big ideas, and relationships
/representation/comprehension/...Guide information processing and visualization
/representation/comprehension/...Maximize transfer and generalization
/action-expressionAction & Expression
/action-expression/physical-ac...Physical Action
/action-expression/physical-ac...Vary the methods for response and navigation
/action-expression/physical-ac...Optimize access to tools and assistive technologies
/action-expression/expression-...Expression & Communication
/action-expression/expression-...Use multiple media for communication
/action-expression/expression-...Use multiple tools for construction and composition
/action-expression/expression-...Build fluencies with graduated levels of support for practice and performance
/action-expression/executive-f...Executive Functions
/action-expression/executive-f...Guide appropriate goal-setting
/action-expression/executive-f...Support planning and strategy development
/action-expression/executive-f...Facilitate managing information and resources
/action-expression/executive-f...Enhance capacity for monitoring progress
/more/moreMore...
/more/about-graphic-organizerAbout the Graphic Organizer
/more/frequently-asked-questionsFAQ
/more/downloadsDownloads
/more/research-evidenceResearch
https://www.cast.org/impact/un...External Subdomain Learn more about the Universal Design for Learning framework
http://bit.ly/CollaborateWithCASTExternal complete a brief survey.
https://www.cast.org/our-work/...External Subdomain Meet the Advisory Board
https://www.cast.org/our-work/...External Subdomain Meet the UDL Guidelines 3.0 Collaborative
https://www.cast.org/our-work/...External Subdomain Meet the Young Adult Advisory Board
https://www.cast.org/impact/su...External Subdomain Summary of Proposed Updates for UDL Guidelines 3.0
/more/about-graphic-organizerAbout
/more/frequently-asked-questionsText duplicate FAQ
/more/downloadsText duplicate Downloads
/more/research-evidenceText duplicate Research
/more/newsletter-archiveNewsletter
/engagementText duplicate Engagement
/engagement/recruiting-interestRecruiting Interest (guideline7)
/engagement/recruiting-interes...Optimize individual choice and autonomy (checkpoint 7.1)
/engagement/recruiting-interes...Optimize relevance, value, and authenticity (checkpoint 7.2)
/engagement/recruiting-interes...Minimize threats and distractions (checkpoint 7.3)
/engagement/effort-persistenceSustaining Effort & Persistence (guideline8)
/engagement/effort-persistence...Heighten salience of goals and objectives (checkpoint 8.1)
/engagement/effort-persistence...Vary demands and resources to optimize challenge (checkpoint 8.2)
/engagement/effort-persistence...Foster collaboration and community (checkpoint 8.3)
/engagement/effort-persistence...Increase mastery-oriented feedback (checkpoint 8.4)
/engagement/self-regulationSelf Regulation (guideline9)
/engagement/self-regulation/op...Promote expectations and beliefs that optimize motivation (checkpoint 9.1)
/engagement/self-regulation/co...Facilitate personal coping skills and strategies (checkpoint 9.2)
/engagement/self-regulation/se...Develop self-assessment and reflection (checkpoint 9.3)
/representationText duplicate Representation
/representation/perceptionPerception (guideline1)
/representation/perception/cus...Offer ways of customizing the display of information (checkpoint 1.1)
/representation/perception/alt...Offer alternatives for auditory information (checkpoint 1.2)
/representation/perception/alt...Offer alternatives for visual information (checkpoint 1.3)
/representation/language-symbolsLanguage & Symbols (guideline2)
/representation/language-symbo...Clarify vocabulary and symbols (checkpoint 2.1)
/representation/language-symbo...Clarify syntax and structure (checkpoint 2.2)
/representation/language-symbo...Support decoding of text, mathematical notation, and symbols (checkpoint 2.3)
/representation/language-symbo...Promote understanding across languages (checkpoint 2.4)
/representation/language-symbo...Illustrate through multiple media (checkpoint 2.5)
/representation/comprehensionComprehension (guideline3)
/representation/comprehension/...Activate or supply background knowledge (checkpoint 3.1)
/representation/comprehension/...Highlight patterns, critical features, big ideas, and relationships (checkpoint 3.2)
/representation/comprehension/...Guide information processing and visualization (checkpoint 3.3)
/representation/comprehension/...Maximize transfer and generalization (checkpoint 3.4)
/action-expressionText duplicate Action & Expression
/action-expression/physical-ac...Physical Action (guideline4)
/action-expression/physical-ac...Vary the methods for response and navigation (checkpoint 4.1)
/action-expression/physical-ac...Optimize access to tools and assistive technologies (checkpoint 4.2)
/action-expression/expression-...Expression & Communication (guideline5)
/action-expression/expression-...Use multiple media for communication (checkpoint 5.1)
/action-expression/expression-...Use multiple tools for construction and composition (checkpoint 5.2)
/action-expression/expression-...Build fluencies with graduated levels of support for practice and performance (checkpoint 5.3)
/action-expression/executive-f...Executive Functions (guideline6)
/action-expression/executive-f...Guide appropriate goal-setting (checkpoint 6.1)
/action-expression/executive-f...Support planning and strategy development (checkpoint 6.2)
/action-expression/executive-f...Facilitate managing information and resources (checkpoint 6.3)
/action-expression/executive-f...Enhance capacity for monitoring progress (checkpoint 6.4)
https://udlguidelines.cast.org/Home
/engagementText duplicate Engagement
/representationText duplicate Representation
/action-expressionText duplicate Action & Expression
/more/moreText duplicate More...
https://www.texthelp.com/External Subdomain IMG-ALT Texthelp
https://www.cast.org/?utm_sour...External Subdomain IMG-ALT CAST | Until learning has no limits
https://www.facebook.com/CASTUDL/External Subdomain Facebook
A-TITLE Facebook
https://twitter.com/CAST_UDLExternal Twitter
A-TITLE Twitter
https://www.linkedin.com/compa...External Subdomain LinkedIn
A-TITLE LinkedIn
https://www.instagram.com/cast...External Subdomain Instagram
A-TITLE Instagram
https://www.pinterest.com/cast...External Subdomain Pinterest
A-TITLE Pinterest
https://www.youtube.com/user/U...External Subdomain YouTube
A-TITLE YouTube
https://www.cast.org/site/acce...External Subdomain Accessibility Policy
https://www.cast.org/site/priv...External Subdomain Privacy Policy
https://www.cast.org/site/term...External Subdomain Terms of Use
/engagementText duplicate Engagement
/engagement/recruiting-interestText duplicate Recruiting Interest (guideline7)
/engagement/recruiting-interes...Text duplicate Optimize individual choice and autonomy (checkpoint 7.1)
/engagement/recruiting-interes...Text duplicate Optimize relevance, value, and authenticity (checkpoint 7.2)
/engagement/recruiting-interes...Text duplicate Minimize threats and distractions (checkpoint 7.3)
/engagement/effort-persistenceText duplicate Sustaining Effort & Persistence (guideline8)
/engagement/effort-persistence...Text duplicate Heighten salience of goals and objectives (checkpoint 8.1)
/engagement/effort-persistence...Text duplicate Vary demands and resources to optimize challenge (checkpoint 8.2)
/engagement/effort-persistence...Text duplicate Foster collaboration and community (checkpoint 8.3)
/engagement/effort-persistence...Text duplicate Increase mastery-oriented feedback (checkpoint 8.4)
/engagement/self-regulationText duplicate Self Regulation (guideline9)
/engagement/self-regulation/op...Text duplicate Promote expectations and beliefs that optimize motivation (checkpoint 9.1)
/engagement/self-regulation/co...Text duplicate Facilitate personal coping skills and strategies (checkpoint 9.2)
/engagement/self-regulation/se...Text duplicate Develop self-assessment and reflection (checkpoint 9.3)
/representationText duplicate Representation
/representation/perceptionText duplicate Perception (guideline1)
/representation/perception/cus...Text duplicate Offer ways of customizing the display of information (checkpoint 1.1)
/representation/perception/alt...Text duplicate Offer alternatives for auditory information (checkpoint 1.2)
/representation/perception/alt...Text duplicate Offer alternatives for visual information (checkpoint 1.3)
/representation/language-symbolsText duplicate Language & Symbols (guideline2)
/representation/language-symbo...Text duplicate Clarify vocabulary and symbols (checkpoint 2.1)
/representation/language-symbo...Text duplicate Clarify syntax and structure (checkpoint 2.2)
/representation/language-symbo...Text duplicate Support decoding of text, mathematical notation, and symbols (checkpoint 2.3)
/representation/language-symbo...Text duplicate Promote understanding across languages (checkpoint 2.4)
/representation/language-symbo...Text duplicate Illustrate through multiple media (checkpoint 2.5)
/representation/comprehensionText duplicate Comprehension (guideline3)
/representation/comprehension/...Text duplicate Activate or supply background knowledge (checkpoint 3.1)
/representation/comprehension/...Text duplicate Highlight patterns, critical features, big ideas, and relationships (checkpoint 3.2)
/representation/comprehension/...Text duplicate Guide information processing and visualization (checkpoint 3.3)
/representation/comprehension/...Text duplicate Maximize transfer and generalization (checkpoint 3.4)
/action-expressionText duplicate Action & Expression
/action-expression/physical-ac...Text duplicate Physical Action (guideline4)
/action-expression/physical-ac...Text duplicate Vary the methods for response and navigation (checkpoint 4.1)
/action-expression/physical-ac...Text duplicate Optimize access to tools and assistive technologies (checkpoint 4.2)
/action-expression/expression-...Text duplicate Expression & Communication (guideline5)
/action-expression/expression-...Text duplicate Use multiple media for communication (checkpoint 5.1)
/action-expression/expression-...Text duplicate Use multiple tools for construction and composition (checkpoint 5.2)
/action-expression/expression-...Text duplicate Build fluencies with graduated levels of support for practice and performance (checkpoint 5.3)
/action-expression/executive-f...Text duplicate Executive Functions (guideline6)
/action-expression/executive-f...Text duplicate Guide appropriate goal-setting (checkpoint 6.1)
/action-expression/executive-f...Text duplicate Support planning and strategy development (checkpoint 6.2)
/action-expression/executive-f...Text duplicate Facilitate managing information and resources (checkpoint 6.3)
/action-expression/executive-f...Text duplicate Enhance capacity for monitoring progress (checkpoint 6.4)

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://udlguidelines.cast.org/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time of 0.48 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 4 CSS files. This may affect the page load time negatively.
This page loads 6 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (130 kB).

HTTP Response Header

NameValue
servernginx/1.22.1
dateWed, 10 Apr 2024 00:34:12 GMT
content-typetext/html;charset=UTF-8
varyOrigin
set-cookie65 Characters
via1.1 google
alt-svch3=":443"; ma=2592000,h3-29=":443"; ma=2592000
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 1,754 referring domains.
This page has 15,992 backlinks.
This page has backlinks from 1,436 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 419 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /search/*
Disallow: /404
Disallow: /siteinventory/Page+Type/
Disallow: /search/Page+Type/

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udlguidelines.cast.org
UDL: The UDL Guidelines

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

KeywordResultRecheck
UDL84%Check
UDL Guidelines83%Check
Guidelines82%Check
UDL Guidelines 3.067%Check
Learning Guidelines65%Check
Guidelines Graphic60%Check
Guidelines 3.059%Check
CAST50%Check
Offer47%Check
access47%Check
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