https://www.wolfram.com
Accessibility
· 13 checks — Landmarks, headings, alt text, forms, and link quality rolled into one auditable list.SCORE
65
GRADE
D
FIX
4
REVIEW
6
PASS
3
INFO
0
Checks
133 PASS 6 REVIEW 4 FIX
DDark Mode SupportActionNo dark mode signalsFIX
Dark Mode Support
ActionNo dark mode signals
No dark mode signals
Info::
No dark mode signals detected
Consider adding CSS with @media (prefers-color-scheme: dark) and <meta name='color-scheme' content='light dark'>.
Info::
Detection limited to meta tags and inline styles
External CSS files may contain prefers-color-scheme rules not visible to this scan.
Dark ModeNo Dark Mode Detected
color-scheme meta Not set ✗Dark theme-color Not set ✗CSS indicators Not detected ✗
Detection limited to meta tags and inline styles.
DPrint StylesheetActionNo print stylesFIX
Print Stylesheet
ActionNo print styles
No print styles
Info::
No print-specific styles detected
When users print this page, they get the screen layout including navigation and non-essential elements. Add @media print rules to hide navigation and optimize layout for paper.
Print Stylesheet No Print Styles
Print stylesheet Not found ✗Inline @media print Not detected ✗
DLighthouse Accessibility AuditsActionScore 67/100 — 5 failing, 11 passedFIX
Lighthouse Accessibility Audits
ActionScore 67/100 — 5 failing, 11 passed
67
Accessibility
These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.
Contrast
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Wolfram Community div#_footer-top > div#_footer-mobile > div#_footer-mobile-community > a |
Wolfram Blog div#_footer-top > div#_footer-mobile > div#_footer-mobile-community > a |
Legal div#_footer-top > div#_footer-mobile > div#_footer-mobile-legal > a |
Privacy Policy div#_footer-top > div#_footer-mobile > div#_footer-mobile-legal > a |
WolframAlpha.com div#_footer-top > div#_footer-mobile > div#_footer-mobile-legal > a |
WolframCloud.com div#_footer-top > div#_footer-mobile > div#_footer-mobile-legal > a |
2026 div#_footer-bottom-grid > div#_footer-social > div.hide > span#_footer-year |
Wolfram div#_footer-bottom-grid > div#_footer-social > div.hide > a |
English div.display-ib > div#_language-picker > div._current-language > span |
Accept& Close div#__cookie-consent > div#__cookie-consent-table > div#__cookie-consent-right > button#__cookie-consent-button |
& Close div#__cookie-consent-table > div#__cookie-consent-right > button#__cookie-consent-button > span |
These are opportunities to improve the legibility of your content.
Navigation
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Interactive Web Apps div.wrapper > div.deploy-grid > a > h4 |
These are opportunities to improve keyboard navigation in your application.
Internationalization and localization
If a page doesn't specify a `lang` attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more about the `lang` attribute.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
html.js-enabled html.js-enabled |
These are opportunities to improve the interpretation of your content by users in different locales.
Names and labels
Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.topicLabel > div.pos-Simulation > picture > img div.topicLabel > div.pos-Simulation > picture > img |
div.topicLabel > div.pos-AI > picture > img div.topicLabel > div.pos-AI > picture > img |
div.topicLabel > div.pos-MachineLearning > picture > img div.topicLabel > div.pos-MachineLearning > picture > img |
div.topicLabel > div.pos-Modeling > picture > img div.topicLabel > div.pos-Modeling > picture > img |
div.topicLabel > div.pos-Analytics > picture > img div.topicLabel > div.pos-Analytics > picture > img |
div.topicLabel > div.pos-DataScience > picture > img div.topicLabel > div.pos-DataScience > picture > img |
div.topicLabel > div.pos-SustainableEnergy > picture > img div.topicLabel > div.pos-SustainableEnergy > picture > img |
div.topicLabel > div.pos-PoliticalScience > picture > img div.topicLabel > div.pos-PoliticalScience > picture > img |
div.topicLabel > div.pos-BusinessAnalysis > picture > img div.topicLabel > div.pos-BusinessAnalysis > picture > img |
div.topicLabel > div.pos-ComputationalPhilosophy > picture > img div.topicLabel > div.pos-ComputationalPhilosophy > picture > img |
div.topicLabel > div.pos-CognitiveScience > picture > img div.topicLabel > div.pos-CognitiveScience > picture > img |
div.topicLabel > div.pos-ComputerSecurity > picture > img div.topicLabel > div.pos-ComputerSecurity > picture > img |
div.topicLabel > div.pos-ComputationalJournalism > picture > img div.topicLabel > div.pos-ComputationalJournalism > picture > img |
div.topicLabel > div.pos-ContentGeneration > picture > img div.topicLabel > div.pos-ContentGeneration > picture > img |
div.topicLabel > div.pos-MarketingScience > picture > img div.topicLabel > div.pos-MarketingScience > picture > img |
div.topicLabel > div.pos-RealEstate > picture > img div.topicLabel > div.pos-RealEstate > picture > img |
div.topicLabel > div.pos-PlantScience > picture > img div.topicLabel > div.pos-PlantScience > picture > img |
div.topicLabel > div.pos-CivilEngineering > picture > img div.topicLabel > div.pos-CivilEngineering > picture > img |
div.topicLabel > div.pos-MediaAnalysis > picture > img div.topicLabel > div.pos-MediaAnalysis > picture > img |
div.topicLabel > div.pos-ComputerVision > picture > img div.topicLabel > div.pos-ComputerVision > picture > img |
div.topicLabel > div.pos-ComputationalMusic > picture > img div.topicLabel > div.pos-ComputationalMusic > picture > img |
div.topicLabel > div.pos-AppliedMath > picture > img div.topicLabel > div.pos-AppliedMath > picture > img |
div.topicLabel > div.pos-LabAutomation > picture > img div.topicLabel > div.pos-LabAutomation > picture > img |
div.topicLabel > div.pos-SoftwareEngineering > picture > img div.topicLabel > div.pos-SoftwareEngineering > picture > img |
div.topicLabel > div.pos-UrbanStudies > picture > img div.topicLabel > div.pos-UrbanStudies > picture > img |
div.topicLabel > div.pos-FoodScience > picture > img div.topicLabel > div.pos-FoodScience > picture > img |
div.topicLabel > div.pos-ChemicalEngineering > picture > img div.topicLabel > div.pos-ChemicalEngineering > picture > img |
div.topicLabel > div.pos-NetworkScience > picture > img div.topicLabel > div.pos-NetworkScience > picture > img |
div.topicLabel > div.pos-RiskAnalysis > picture > img div.topicLabel > div.pos-RiskAnalysis > picture > img |
div.topicLabel > div.pos-ManagementScience > picture > img div.topicLabel > div.pos-ManagementScience > picture > img |
div.topicLabel > div.pos-IndustrialEngineering > picture > img div.topicLabel > div.pos-IndustrialEngineering > picture > img |
div.topicLabel > div.pos-PlanetaryScience > picture > img div.topicLabel > div.pos-PlanetaryScience > picture > img |
div.topicLabel > div.pos-ElectricalEngineering > picture > img div.topicLabel > div.pos-ElectricalEngineering > picture > img |
div.topicLabel > div.pos-SystemDesign > picture > img div.topicLabel > div.pos-SystemDesign > picture > img |
div.topicLabel > div.pos-ComputationalHumanities > picture > img div.topicLabel > div.pos-ComputationalHumanities > picture > img |
div.topicLabel > div.pos-PublicHealth > picture > img div.topicLabel > div.pos-PublicHealth > picture > img |
div.topicLabel > div.pos-ProductionEngineering > picture > img div.topicLabel > div.pos-ProductionEngineering > picture > img |
div.topicLabel > div.pos-Energy > picture > img div.topicLabel > div.pos-Energy > picture > img |
div.topicLabel > div.pos-MaterialScience > picture > img div.topicLabel > div.pos-MaterialScience > picture > img |
div.topicLabel > div.pos-Aerospace > picture > img div.topicLabel > div.pos-Aerospace > picture > img |
div.topicLabel > div.pos-OperationsResearch > picture > img div.topicLabel > div.pos-OperationsResearch > picture > img |
div.topicLabel > div.pos-AutomotiveEngineering > picture > img div.topicLabel > div.pos-AutomotiveEngineering > picture > img |
div.topicLabel > div.pos-ComputerScience > picture > img div.topicLabel > div.pos-ComputerScience > picture > img |
div.topicLabel > div.pos-ComputerEngineering > picture > img div.topicLabel > div.pos-ComputerEngineering > picture > img |
div.topicLabel > div.pos-RemoteSensing > picture > img div.topicLabel > div.pos-RemoteSensing > picture > img |
div.topicLabel > div.pos-SystemsAnalysis > picture > img div.topicLabel > div.pos-SystemsAnalysis > picture > img |
div.topicLabel > div.pos-EarthScience > picture > img div.topicLabel > div.pos-EarthScience > picture > img |
div.topicLabel > div.pos-ForensicScience > picture > img div.topicLabel > div.pos-ForensicScience > picture > img |
div.topicLabel > div.pos-EnvironmentalEngineering > picture > img div.topicLabel > div.pos-EnvironmentalEngineering > picture > img |
div.topicLabel > div.pos-NaturalResources > picture > img div.topicLabel > div.pos-NaturalResources > picture > img |
div.topicLabel > div.pos-InformationScience > picture > img div.topicLabel > div.pos-InformationScience > picture > img |
div.topicLabel > div.pos-LifeSciences > picture > img div.topicLabel > div.pos-LifeSciences > picture > img |
div.topicLabel > div.pos-EnvironmentalScience > picture > img div.topicLabel > div.pos-EnvironmentalScience > picture > img |
div.topicLabel > div.pos-SportsAnalytics > picture > img div.topicLabel > div.pos-SportsAnalytics > picture > img |
div.topicLabel > div.pos-ArtHistory > picture > img div.topicLabel > div.pos-ArtHistory > picture > img |
div.topicLabel > div.pos-CreativeArts > picture > img div.topicLabel > div.pos-CreativeArts > picture > img |
div.topicLabel > div.pos-ComputationalBiology > picture > img div.topicLabel > div.pos-ComputationalBiology > picture > img |
div.topicLabel > div.pos-ComplexityScience > picture > img div.topicLabel > div.pos-ComplexityScience > picture > img |
div.topicLabel > div.pos-Stem > picture > img div.topicLabel > div.pos-Stem > picture > img |
div.topicLabel > div.pos-Healthcare > picture > img div.topicLabel > div.pos-Healthcare > picture > img |
div.topicLabel > div.pos-Fintech > picture > img div.topicLabel > div.pos-Fintech > picture > img |
div.topicLabel > div.pos-Manufacturing > picture > img div.topicLabel > div.pos-Manufacturing > picture > img |
div.topicLabel > div.pos-Publishing > picture > img div.topicLabel > div.pos-Publishing > picture > img |
div.topicLabel > div.pos-Retail > picture > img div.topicLabel > div.pos-Retail > picture > img |
div.topicLabel > div.pos-Acoustics > picture > img div.topicLabel > div.pos-Acoustics > picture > img |
div.topicLabel > div.pos-Agtech > picture > img div.topicLabel > div.pos-Agtech > picture > img |
div.topicLabel > div.pos-Astronomy > picture > img div.topicLabel > div.pos-Astronomy > picture > img |
div.topicLabel > div.pos-Ecology > picture > img div.topicLabel > div.pos-Ecology > picture > img |
div.topicLabel > div.pos-Transportation > picture > img div.topicLabel > div.pos-Transportation > picture > img |
div.topicLabel > div.pos-Architecture > picture > img div.topicLabel > div.pos-Architecture > picture > img |
div.topicLabel > div.pos-CAD > picture > img div.topicLabel > div.pos-CAD > picture > img |
div.topicLabel > div.pos-Adtech > picture > img div.topicLabel > div.pos-Adtech > picture > img |
div.topicLabel > div.pos-Mathematics > picture > img div.topicLabel > div.pos-Mathematics > picture > img |
div.topicLabel > div.pos-Cryptography > picture > img div.topicLabel > div.pos-Cryptography > picture > img |
div.topicLabel > div.pos-Biostatistics > picture > img div.topicLabel > div.pos-Biostatistics > picture > img |
div.topicLabel > div.pos-Archaeology > picture > img div.topicLabel > div.pos-Archaeology > picture > img |
div.topicLabel > div.pos-Utilities > picture > img div.topicLabel > div.pos-Utilities > picture > img |
div.topicLabel > div.pos-Statistics > picture > img div.topicLabel > div.pos-Statistics > picture > img |
div.topicLabel > div.pos-Economics > picture > img div.topicLabel > div.pos-Economics > picture > img |
div.topicLabel > div.pos-Optics > picture > img div.topicLabel > div.pos-Optics > picture > img |
div.topicLabel > div.pos-IoT > picture > img div.topicLabel > div.pos-IoT > picture > img |
div.topicLabel > div.pos-Mining > picture > img div.topicLabel > div.pos-Mining > picture > img |
div.topicLabel > div.pos-Insurance > picture > img div.topicLabel > div.pos-Insurance > picture > img |
div.topicLabel > div.pos-Blockchain > picture > img div.topicLabel > div.pos-Blockchain > picture > img |
div.topicLabel > div.pos-GameTech > picture > img div.topicLabel > div.pos-GameTech > picture > img |
div.topicLabel > div.pos-Neuroscience > picture > img div.topicLabel > div.pos-Neuroscience > picture > img |
div.topicLabel > div.pos-Pharmacology > picture > img div.topicLabel > div.pos-Pharmacology > picture > img |
div.topicLabel > div.pos-Bioengineering > picture > img div.topicLabel > div.pos-Bioengineering > picture > img |
div.topicLabel > div.pos-Edtech > picture > img div.topicLabel > div.pos-Edtech > picture > img |
div.topicLabel > div.pos-Quantum > picture > img div.topicLabel > div.pos-Quantum > picture > img |
div.topicLabel > div.pos-Ruliology > picture > img div.topicLabel > div.pos-Ruliology > picture > img |
div.topicLabel > div.pos-Linguistics > picture > img div.topicLabel > div.pos-Linguistics > picture > img |
div.topicLabel > div.pos-Logistics > picture > img div.topicLabel > div.pos-Logistics > picture > img |
div.topicLabel > div.pos-Psychology > picture > img div.topicLabel > div.pos-Psychology > picture > img |
div.topicLabel > div.pos-Robotics > picture > img div.topicLabel > div.pos-Robotics > picture > img |
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Best practices
Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Symbolic Programming div.columns-container > ul > li > a |
Mathematical Functions div.columns-container > ul > li > a |
Information Visualization div.columns-container > ul > li > a |
Cultural & Linguistic Data div.columns-container > ul > li > a |
Symbolic Calculus div.columns-container > ul > li > a |
C++/Python Connectivity div.columns-container > ul > li > a |
Array Manipulation div.columns-container > ul > li > a |
Computational Geometry div.columns-container > ul > li > a |
These items highlight common accessibility best practices.
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●Buttons have an accessible name
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●Document has a `<title>` element
●Links are distinguishable without relying on color.
●Links have a discernible name
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●Document has a main landmark.
●`<video>` elements contain a `<track>` element with `[kind="captions"]`
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`[aria-*]` attributes match their roles
○`button`, `link`, and `menuitem` elements have accessible names
○ARIA attributes are used as specified for the element's role
○Deprecated ARIA roles were not used
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○`[aria-hidden="true"]` elements do not contain focusable descendents
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements use only permitted ARIA attributes
○`[role]`s have all required `[aria-*]` attributes
○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
○`[role]`s are contained by their required parent element
○`[role]` values are valid
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○`[aria-*]` attributes have valid values
○`[aria-*]` attributes are valid and not misspelled
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<frame>` or `<iframe>` elements have a title
○`<html>` element has a valid value for its `[lang]` attribute
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○Form elements have associated labels
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○No element has a `[tabindex]` value greater than 0
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Elements with visible text labels have matching accessible names.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
BLandmark Structure6 landmarksREVIEW
Landmark Structure
6 landmarks
6 landmarks
Info::
<main> landmark present
Info::
3 <nav> landmark(s) found
Warning::
3 of 3 <nav> elements are unlabeled
Multiple navigations need aria-label to distinguish them for screen readers.
Warning::
Skip navigation link is missing (WCAG 2.4.1)
Add a skip link as the first focusable element so keyboard users can bypass repeated navigation.
Page Structure — as a screen reader sees it
Multiple navigations need aria-label to distinguish them for screen readers.
Why this matters
Some <nav> elements lack aria-label — screen-reader users hear 'navigation' multiple times with no way to distinguish them.
Learn more ▾ ▴
When a page has multiple <nav> regions (primary, footer, breadcrumb), each needs aria-label or aria-labelledby. AT users navigate by landmark; identical 'navigation' announcements force them to enter each one to discover purpose.
Source: WAI-ARIA Authoring Practices
Add a skip link as the first focusable element so keyboard users can bypass repeated navigation.
Why this matters
Without a skip-nav link, keyboard users tab through every nav item before reaching content — every page, every visit.
Learn more ▾ ▴
WCAG 2.4.1 (Bypass Blocks) requires a mechanism to skip past repeated content. The standard implementation is a 'Skip to main content' link that's the first focusable element, visually hidden until focused. Three lines of HTML + four of CSS.
Source: WCAG 2.1 SC 2.4.1
CAlt Text QualityAction96 of 135 images have issuesREVIEW
Alt Text Quality
Action96 of 135 images have issues
96 of 135 images have issues
Critical::
96 image(s) missing alt attribute
Images without alt text are invisible to screen readers.
Info::
39 decorative image(s) correctly marked
135 images 39 decorative 96 missing
| Issue | Count |
|---|---|
| missing | 96 image(s) |
Images without alt text are invisible to screen readers.
Why this matters
Each image without alt text is a WCAG 1.1.1 failure — invisible to screen-reader users, lost from Google Image Search.
Learn more ▾ ▴
WCAG 2.1 Level A requires text alternatives for non-decorative images. Empty alt='' is fine for decorative; meaningful images need descriptive text. Common fixes: CMS audit + bulk add, build-time linter (alt-text-required ESLint rule), CI gate on Lighthouse a11y score.
Source: WCAG 2.1 SC 1.1.1 / WebAIM Million Report
CLink & Button QualityAction482 links, 2 buttons — all OKREVIEW
Link & Button Quality
Action482 links, 2 buttons — all OK
482 links, 2 buttons — all OK
Critical::
33 image-only link(s) without alt text
Warning::
26 link(s) open in new tab without warning
Add '(opens in new tab)' to link text or aria-label.
Got: https://www.wolframalpha.com/?source=nav; https://www.wolframcloud.com/?source=nav; ; https://account.wolfram.com/?source=nav; https://user.wolfram.com/?source=nav; https://www.wolframcloud.com/?source=nav; ; https://www.wolframalpha.com/?source=nav; https://www.wolframcloud.com/?source=nav; https://account.wolfram.com/?source=nav (+16 more)
Info::
423 link(s) with descriptive text
482 links
0 empty
0 generic text
26 new tab
0 empty buttons
| Element | Text | Issue | Suggested Fix |
|---|---|---|---|
| https://www.wolframalpha.com/?source=nav | Wolfram|Alpha | new tab | Add '(opens in new tab)' to text |
| https://www.wolframcloud.com/?source=nav | Wolfram Cloud | new tab | Add '(opens in new tab)' to text |
| Your Account | new tab | Add '(opens in new tab)' to text | |
| https://account.wolfram.com/?source=nav | Your Account | new tab | Add '(opens in new tab)' to text |
| https://user.wolfram.com/?source=nav | User Portal | new tab | Add '(opens in new tab)' to text |
| https://www.wolframcloud.com/?source=nav | Wolfram Cloud | new tab | Add '(opens in new tab)' to text |
| Search | new tab | Add '(opens in new tab)' to text | |
| https://www.wolframalpha.com/?source=nav | Wolfram|Alpha | new tab | Add '(opens in new tab)' to text |
| https://www.wolframcloud.com/?source=nav | Wolfram Cloud | new tab | Add '(opens in new tab)' to text |
| https://account.wolfram.com/?source=nav | Your Account | new tab | Add '(opens in new tab)' to text |
| https://user.wolfram.com/?source=nav | User Portal | new tab | Add '(opens in new tab)' to text |
| /language/?source=home | Wolfram Language | img no alt | Add alt attribute to the image |
| https://www.wolframalpha.com/?source=hom… | Wolfram|Alpha | img no alt | Add alt attribute to the image |
| /mathematica/?source=home | Mathematica | img no alt | Add alt attribute to the image |
| /start/featured-topics/build-deploy-web-… | Interactive Web Apps | img no alt | Add alt attribute to the image |
| /standalone-applications/?source=home | Standalone Apps | img no alt | Add alt attribute to the image |
| /language/core-areas/user-interfaces/?so… | User Interfaces | img no alt | Add alt attribute to the image |
| https://writings.stephenwolfram.com/2019… | Web Notebooks | img no alt | Add alt attribute to the image |
| /cloud-app/?source=home | Mobile | img no alt | Add alt attribute to the image |
| https://writings.stephenwolfram.com/2023… | AR/VR/XR | img no alt | Add alt attribute to the image |
| /language/11/3d-printing/?source=home | 3D Printouts | img no alt | Add alt attribute to the image |
| /presenter-tools/?source=home | Presentations | img no alt | Add alt attribute to the image |
| /start/featured-topics/data-science-repo… | Generated Reports | img no alt | Add alt attribute to the image |
| https://www.bigmarker.com/wolfram-u/Inte… | Dashboards | new tab | Add '(opens in new tab)' to text |
| /wolfram-u/courses/programming-applicati… | Form Pages | img no alt | Add alt attribute to the image |
| https://demonstrations.wolfram.com/?sour… | Interactive Documents | img no alt | Add alt attribute to the image |
| https://writings.stephenwolfram.com/2017… | Computational Essays | img no alt | Add alt attribute to the image |
| /initiatives/research/?source=home | Academic Papers | img no alt | Add alt attribute to the image |
| /educational-technology/?source=home | Educational Assessments | img no alt | Add alt attribute to the image |
| /language/core-areas/visualization/?sour… | Visualizations | img no alt | Add alt attribute to the image |
| /wolfram-u/courses/programming-applicati… | APIs | img no alt | Add alt attribute to the image |
| https://reference.wolfram.com/language/g… | External Languages | img no alt | Add alt attribute to the image |
| https://reference.wolfram.com/language/C… | Code Generation | img no alt | Add alt attribute to the image |
| /technology-integration/?source=home | Embedded Systems | img no alt | Add alt attribute to the image |
| /start/featured-topics/blockchain/?sourc… | Blockchain | img no alt | Add alt attribute to the image |
| /application-server/?source=home | Cloud Providers | img no alt | Add alt attribute to the image |
| /enterprise-private-cloud/?source=home | Private Cloud | img no alt | Add alt attribute to the image |
| /download-center/?source=home | Download for Desktop Unl… | img no alt | Add alt attribute to the image |
| https://www.wolframcloud.com/?source=hom… | Use Wolfram Online No in… | img no alt | Add alt attribute to the image |
| https://www.wolframconsulting.com/?sourc… | We deliver solutions for the A… | img no alt | Add alt attribute to the image |
| https://www.wolframalpha.com/?source=hom… | Wolfram|Alpha Providing … | img no alt | Add alt attribute to the image |
| https://demonstrations.wolfram.com/?sour… | Wolfram Demonstrations 1… | img no alt | Add alt attribute to the image |
| /wolfram-u/?source=home | Wolfram U Learning resou… | img no alt | Add alt attribute to the image |
| Ask Our Experts a Question … | img no alt | Add alt attribute to the image | |
| https://www.youtube.com/user/wolframrese… | Wolfram YouTube | new tab | Add '(opens in new tab)' to text |
| https://www.youtube.com/playlist?list=PL… | Wolfram Livestreams | new tab | Add '(opens in new tab)' to text |
| https://github.com/wolframresearch/?sour… | Wolfram GitHub | new tab | Add '(opens in new tab)' to text |
| https://mathworld.wolfram.com/?source=fo… | MathWorld | new tab | Add '(opens in new tab)' to text |
| https://www.facebook.com/wolframresearch… | new tab | Add '(opens in new tab)' to text | |
| https://x.com/WolframResearch?source=foo… | X | new tab | Add '(opens in new tab)' to text |
| https://twitch.tv/wolfram?source=footer | Twitch | new tab | Add '(opens in new tab)' to text |
| https://www.linkedin.com/company/wolfram… | new tab | Add '(opens in new tab)' to text | |
| https://www.youtube.com/user/wolframrese… | YouTube | new tab | Add '(opens in new tab)' to text |
| https://www.facebook.com/wolframresearch… | new tab | Add '(opens in new tab)' to text | |
| https://x.com/WolframResearch?source=foo… | X | new tab | Add '(opens in new tab)' to text |
| https://twitch.tv/wolfram?source=footer | Twitch | new tab | Add '(opens in new tab)' to text |
| https://www.linkedin.com/company/wolfram… | new tab | Add '(opens in new tab)' to text | |
| https://www.youtube.com/user/wolframrese… | YouTube | new tab | Add '(opens in new tab)' to text |
| http://www.wolfram.com/legal/privacy/wol… | Privacy Policy | new tab | Add '(opens in new tab)' to text |
425 links and buttons have descriptive text
Add '(opens in new tab)' to link text or aria-label.
https://www.wolframalpha.com/?source=nav; https://www.wolframcloud.com/?source=nav; ; https://account.wolfram.com/?source=nav; https://user.wolfram.com/?source=nav; https://www.wolframcloud.com/?source=nav; ; https://www.wolframalpha.com/?source=nav; https://www.wolframcloud.com/?source=nav; https://account.wolfram.com/?source=nav (+16 more)
Why this matters
Links with target="_blank" without rel="noopener" leak the originating page's window context — security and UX issue.
Learn more ▾ ▴
Without rel="noopener", the new tab can navigate the original tab via window.opener (tab-nabbing attack). Modern browsers default to noopener for target=_blank but only since recent versions. Always set rel="noopener noreferrer" explicitly.
Source: MDN target / OWASP
B404 Error PageHTTP 404, custom pageREVIEW
404 Error Page
HTTP 404, custom page
HTTP 404, custom page
Info::
Correct 404 status code returned
Got: HTTP 404
Info::
Custom styled 404 page
Info::
Navigation links present on 404 page
Info::
Search form present on 404 page
404 Page Quality ✓ Custom 404 Page
Status Code HTTP 404 ✓Page Title Navigation Menu ✓Custom Styling ✓Navigation ✓Homepage Link ✗Search Form ✓
BWeb ManifestValid manifestREVIEW
Web Manifest
Valid manifest
Valid manifest
Info::
Name present: Wolfram
Info::
192x192 icon present
Info::
512x512 icon present
Info::
Display mode: standalone
PWA Install Criteria Not Installable
Name Wolfram ✓192×192 icon ✓512×512 icon ✓Start URL ✗Display Mode standalone ✓
Name Wolfram Display Mode standalone Icons 4 icon(s)
CColor Contrast (Screenshot)Action20 text elements analyzed, 1 fail WCAG AAREVIEW
Color Contrast (Screenshot)
Action20 text elements analyzed, 1 fail WCAG AA
Analyzes text contrast against the actual rendered page, including background images, gradients, and overlays that CSS-based tools cannot detect.
19 pass 1 fail WCAG AA 19 pass AA only
h2 Core Technologies of Wolfram Products
1.00:1#000000
on#000000
needs 3.0:1 (large text)24px · mid-page
Show all checked elements (20)
| Element | Ratio | Required | FG | BG | Result |
|---|---|---|---|---|---|
| h2 Core Technologies of… | 1.00:1 | 3.0:1 | #000000 | #000000 | Fail |
| h2 Deployment Options | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 From the Community | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Wolfram Solutions | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Wolfram Solutions Fo… | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Get Started | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 More Learning | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Grow Your Skills | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Tech Support | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Work with Us | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Educational Programs… | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Educational Programs… | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Read | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Educational Resource… | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Wolfram Initiatives | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Events | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Wolfram Solutions | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Wolfram Solutions Fo… | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Get Started | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
| h2 Grow Your Skills | 3.40:1 | 3.0:1 | #000000 | #626069 | Pass |
Methodology: The top 20 text elements by font size were checked. Background color was sampled from the desktop screenshot using a 5-point pattern. WCAG 2.1 AA requires 4.5:1 for normal text and 3:1 for large text.
AHeading Hierarchy66 headings, 1 skip(s)PASS
Heading Hierarchy
66 headings, 1 skip(s)
66 headings, 1 skip(s)
Info::
Single H1 present
Warning::
Heading level skipped: H2 → H4 (missing H3)
Skipping heading levels breaks the document outline. Screen readers may interpret missing levels as structural errors.
- H1 WOLFRAM
- H2 Core Technologies of Wolfram Products
- H2 Deployment Options
- H2 From the Community
- H2 Wolfram Solutions
- H2 Wolfram Solutions For Education
- H2 Get Started
- H2 More Learning
- H2 Grow Your Skills
- H2 Tech Support
- H2 Work with Us
- H2 Educational Programs for Adults
- H2 Educational Programs for Youth
- H2 Read
- H2 Educational Resources
- H2 Wolfram Initiatives
- H2 Events
- H2 Wolfram Solutions
- H2 Wolfram Solutions For Education
- H2 Get Started
- H2 Grow Your Skills
- H2 Work with Us
- H2 Educational Programs for Adults
- H2 Educational Programs for Youth
- H2 Read
- H2 The unique power of our system comes from its elegant unification of an immense range of capabilities, algorithms, models and data into the breakthrough Wolfram Language — transcending programming t
- H3 Integrated Capabilities of the Wolfram System
- H2 Turn your ideas into computational reality with Wolfram Language
- H3 Use it directly as a tool of thought — or build systems of any scale with it (or let us build them for you)
- H2 Compute. Develop.Deploy everywhere...
- H4 Interactive Web Apps skipped
- H4 Standalone Apps
- H4 User Interfaces
- H4 Desktop Notebooks
- H4 Web Notebooks
- H4 Mobile
- H4 AR/VR/XR
- H4 3D Printouts
- H4 Presentations
- H4 Generated Reports
- H4 Dashboards
- H4 Form Pages
- H4 Interactive Documents
- H4 Computational Essays
- H4 Academic Papers
- H4 Educational Assessments
- H4 Visualizations
- H4 APIs
- H4 External Languages
- H4 Code Generation
- H4 Embedded Systems
- H4 Blockchain
- H4 Cloud Providers
- H4 Private Cloud
- H2 Get Wolfram Now
- H3 Download for Desktop
- H3 Use Wolfram Online
- H2 Let Wolfram Build for You
- H3 We deliver solutions for the AI era—combining symbolic computation, data-driven insights and deep technical expertise
- H4 Instant Resources
- H5 Wolfram|Alpha
- H5 Wolfram Demonstrations
- H5 Wolfram U
- H3 Ask Our Experts a Question
- H3 Developer Resources
- H3 Deployment
Skipping heading levels breaks the document outline. Screen readers may interpret missing levels as structural errors.
Why this matters
Skipping heading levels breaks the document outline — screen-reader users lose track of section nesting.
Learn more ▾ ▴
Screen reader users navigate by jumping between headings (H1 → H2 → H3). Skipping (H1 → H3) breaks the sense of hierarchy. Use sequential levels even if you don't like the default styling — restyle with CSS instead. WCAG 1.3.1 (Info and Relationships) treats this as an A failure.
Source: WCAG 2.1 SC 1.3.1 / W3C WAI
AForm Accessibility1 of 1 controls have issuesPASS
Form Accessibility
1 of 1 controls have issues
1 of 1 controls have issues
Warning::
1 control(s) rely on placeholder only
Placeholder text disappears on focus and is not a reliable label.
Got: <input type="search" name="query" id="_search-input">
1 controls
0 labeled
1 placeholder only
0 unlabeled
| Control | Type | Label | Method |
|---|---|---|---|
| #_search-input | search | (Search across Wolfram sites) | placeholder only |
Placeholder text disappears on focus and is not a reliable label.
<input type="search" name="query" id="_search-input">
Why this matters
Placeholder-only labels disappear when the user starts typing — they must remember what the field was for.
Learn more ▾ ▴
Placeholders are NOT labels. They vanish on input, fail color contrast checks (most are gray), and don't satisfy WCAG SC 3.3.2. Always use a real <label> alongside (or aria-labelledby).
Source: WCAG 2.1 SC 3.3.2 / Nielsen Norman
AFavicon & Branding8 icon(s) detectedPASS
Favicon & Branding
8 icon(s) detected
8 icon(s) detected
Info::
favicon.ico present at site root
Info::
HTML icon links detected
Info::
Apple touch icon present
Info::
SVG favicon detected — scales perfectly to any size
Info::
Multiple icon sizes detected
✓ favicon.ico Present
✓ PNG Icons Present
✓ Apple Touch Present
✓ SVG Favicon Present
✓ Manifest Icons Present
✓ Multiple Sizes Present
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.