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https://en.wikipedia.org

Accessibility

· 13 checks — Landmarks, headings, alt text, forms, and link quality rolled into one auditable list.
SCORE
71
GRADE
C
FIX
3
REVIEW
4
PASS
6
INFO
0
Checks
13
6 PASS 4 REVIEW 3 FIX
D
Web Manifest
Action
Not found
FIX
Not found
Info::
No web manifest found
No manifest at standard paths (/manifest.json, /site.webmanifest). A manifest is optional but enables PWA features like home screen installation and standalone display.

No web manifest found.

D
Print Stylesheet
Action
No print styles
FIX
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
D
Navigation UX
Action
2 navigation pattern(s)
FIX
2 navigation pattern(s)
Info::
Search functionality detected
Got: role-search
Info::
Skip navigation link detected
Info::
9 navigation landmark(s) detected
Breadcrumbs
Search role='search' landmark
Skip Link Skip link detected
Labeled Navigation 9 <nav> element(s)
Back to Top
Hamburger Menu
Sticky Navigation Cannot reliably detect (CSS-based)
3 of 6 testable patterns navigation patterns detected. Strong navigation UX with multiple discovery paths.
B
404 Error Page
HTTP 404, custom page
REVIEW
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::
Homepage link present on 404 page
404 Page Quality Custom 404 Page
Status Code HTTP 404 Page Title Not Found Custom Styling Navigation Homepage Link Search Form
C
Favicon & Branding
Action
3 icon(s) detected
REVIEW
3 icon(s) detected
Info::
favicon.ico present at site root
Info::
HTML icon links detected
Info::
Apple touch icon present
favicon.ico Present
PNG Icons Present
Apple Touch Present
SVG Favicon Missing
Manifest Icons Missing
Multiple Sizes Missing
B
Dark Mode Support
Dark mode detected
REVIEW
Dark mode detected
Info::
prefers-color-scheme CSS detected in inline styles
Info::
Detection limited to meta tags and inline styles
External CSS files may contain prefers-color-scheme rules not visible to this scan.
Dark Mode Dark Mode Supported
color-scheme meta Not set Dark theme-color Not set CSS indicators Detected

Detection limited to meta tags and inline styles.

A+
Landmark Structure
15 landmarks
PASS
15 landmarks
Info::
<main> landmark present
Info::
9 <nav> landmark(s) found
Info::
All <nav> elements are properly labeled
Info::
Skip navigation link present
Info::
Search landmark present
Page Structure — as a screen reader sees it
BANNER header NAV "Site" SEARCH MAIN CONTENTINFO footer
A
Heading Hierarchy
10 headings
PASS
10 headings
Warning::
Multiple H1 headings (2 found)
A page should have only one H1. Multiple H1s dilute the document outline.
  • H1 Main Page
  • H1 Welcome to Wikipedia duplicate H1
  • H2 From today's featured article
  • H2 Did you know ...
  • H2 In the news
  • H2 On this day
  • H2 Today's featured picture
  • H2 Other areas of Wikipedia
  • H2 Wikipedia's sister projects
  • H2 Wikipedia languages

A page should have only one H1. Multiple H1s dilute the document outline.

Why this matters

Multiple H1s blur the page's primary topic — screen-reader users and Google both prefer one H1.

Learn more

HTML5's outline algorithm technically allows multiple H1s within sectioning content, but no browser implements it. In practice: one H1 per page. Use H2-H6 for subsections.

Source: WCAG 2.4.6 / Google Search Central

A+
Alt Text Quality
All 23 images OK
PASS
All 23 images OK
Info::
1 decorative image(s) correctly marked
Info::
22 image(s) with good alt text
23 images 22 good alt text 1 decorative
All images have appropriate alt text.
A
Form Accessibility
1 of 16 controls have issues
PASS
1 of 16 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="search">
Info::
15 control(s) properly labeled
16 controls
15 labeled
1 placeholder only
0 unlabeled
ControlTypeLabelMethod
#vector-main-menu-dropdown-checkboxcheckboxMain menuaria-label
#searchInputsearchSearch Wikipediaaria-label
#vector-appearance-dropdown-checkboxcheckboxAppearancearia-label
#skin-client-pref-vector-feature-custom-font-size-value-0radioSmallfor/id
#skin-client-pref-vector-feature-custom-font-size-value-1radioStandardfor/id
#skin-client-pref-vector-feature-custom-font-size-value-2radioLargefor/id
#skin-client-pref-vector-feature-limited-width-value-1radioStandardfor/id
#skin-client-pref-vector-feature-limited-width-value-0radioWidefor/id
#skin-client-pref-skin-theme-value-osradioAutomaticfor/id
#skin-client-pref-skin-theme-value-dayradioLightfor/id
#skin-client-pref-skin-theme-value-nightradioDarkfor/id
#vector-user-links-dropdown-checkboxcheckboxPersonal toolsaria-label
#vector-variants-dropdown-checkboxcheckboxChange language variantaria-label
#vector-page-tools-dropdown-checkboxcheckboxToolsaria-label
#p-lang-btn-checkboxcheckboxGo to an article in another language. Available in 346 languagesaria-label
searchsearch(Search Wikipedia)placeholder only

Placeholder text disappears on focus and is not a reliable label.

<input type="search" name="search">

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

A+
Color Contrast (Screenshot)
20 text elements analyzed, 0 fail WCAG AA
PASS

Analyzes text contrast against the actual rendered page, including background images, gradients, and overlays that CSS-based tools cannot detect.

20 pass
Show all checked elements (20)
ElementRatioRequiredFGBGResult
h1 Welcome to21.00:13.0:1
#000000
#FFFFFF
Pass
h2 From today's feature…21.00:13.0:1
#000000
#FFFFFF
Pass
h2 Did you know ...21.00:13.0:1
#000000
#FFFFFF
Pass
h2 In the news21.00:13.0:1
#000000
#FFFFFF
Pass
h2 On this day21.00:13.0:1
#000000
#FFFFFF
Pass
h2 Today's featured pic…21.00:13.0:1
#000000
#FFFFFF
Pass
h2 Other areas of Wikip…21.00:13.0:1
#000000
#FFFFFF
Pass
h2 Wikipedia's sister p…21.00:13.0:1
#000000
#FFFFFF
Pass
h2 Wikipedia languages21.00:13.0:1
#000000
#FFFFFF
Pass
title Wikipedia, the free …21.00:14.5:1
#000000
#FFFFFF
Pass
a Jump to content21.00:14.5:1
#000000
#FFFFFF
Pass
span Main menu21.00:14.5:1
#000000
#FFFFFF
Pass
div Main menu21.00:14.5:1
#000000
#FFFFFF
Pass
button move to sidebar21.00:14.5:1
#000000
#FFFFFF
Pass
button hide21.00:14.5:1
#000000
#FFFFFF
Pass
div Navigation21.00:14.5:1
#000000
#FFFFFF
Pass
span Main page21.00:14.5:1
#000000
#FFFFFF
Pass
span Contents21.00:14.5:1
#000000
#FFFFFF
Pass
span Current events21.00:14.5:1
#000000
#FFFFFF
Pass
span Random article21.00:14.5:1
#000000
#FFFFFF
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.

A+
Lighthouse Accessibility Audits
Score 95/100 — 1 failing, 27 passed
PASS
95

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.

Names and labels

Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more about form element labels.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
header.header-container > div.minerva-header > nav.navigation-drawer > input#main-menu-input header.header-container > div.minerva-header > nav.navigation-drawer > input#main-menu-input

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.

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-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
`[role]` values are valid
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Image elements have `[alt]` attributes
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
ARIA attributes are used as specified for the element's role
`[aria-hidden="true"]` elements do not contain focusable descendents
Elements use only permitted ARIA attributes
Background and foreground colors have a sufficient contrast ratio
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
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
Touch targets have sufficient size and spacing.
`[lang]` attributes have a valid value
Heading elements appear in a sequentially-descending order
Document has a main landmark.
Deprecated ARIA roles were not used
Uses ARIA roles only on compatible elements
Identical links have the same purpose.
`[accesskey]` values are unique
`button`, `link`, and `menuitem` elements have accessible names
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
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
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
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 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
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.
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tables have different content in the summary attribute and `<caption>`.
All heading elements contain content.
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.
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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