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Accessibility

· 13 checks — Landmarks, headings, alt text, forms, and link quality rolled into one auditable list.
SCORE
69
GRADE
D
FIX
3
REVIEW
4
PASS
6
INFO
0
Checks
13
6 PASS 4 REVIEW 3 FIX
F
404 Error Page
Action
HTTP 404, bare page
FIX
HTTP 404, bare page
Info::
Correct 404 status code returned
Got: HTTP 404
Warning::
Bare server default 404 page
The 404 page has no custom styling. Users hitting a broken link see a generic error with no way to navigate back. Add a custom 404 page with your site navigation and a search bar.
404 Page Quality Default 404 Page
Status Code HTTP 404 Custom Styling Navigation Homepage Link Search Form
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
F
Navigation UX
Action
1 navigation pattern(s)
FIX
1 navigation pattern(s)
Info::
Skip navigation link detected
Info::
1 navigation landmark(s) detected
Breadcrumbs
Search
Skip Link Skip link detected
Labeled Navigation 1 <nav> element(s)
Back to Top
Hamburger Menu
Sticky Navigation Cannot reliably detect (CSS-based)
2 of 6 testable patterns navigation patterns detected. Limited navigation support. Consider adding breadcrumbs, search, and skip link.
C
Favicon & Branding
Action
4 icon(s) detected
REVIEW
4 icon(s) detected
Info::
favicon.ico present at site root
Info::
HTML icon links detected
Info::
No apple-touch-icon detected
iOS devices use this when users add your site to their home screen. Add <link rel='apple-touch-icon' sizes='180x180' href='/apple-touch-icon.png'>.
Info::
Multiple icon sizes detected
favicon.ico Present
PNG Icons Present
Apple Touch Missing
SVG Favicon Missing
Manifest Icons Present
Multiple Sizes Present
B
Web Manifest
Valid manifest
REVIEW
Valid manifest
Info::
Name present: Node.js
Info::
192x192 icon present
Info::
512x512 icon present
Info::
Display mode: standalone
PWA Install Criteria Not Installable
Name Node.js 192×192 icon 512×512 icon Start URL Display Mode standalone
Name Node.js Display Mode standalone Theme Color #333 Background Color #333 Icons 2 icon(s)
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
3 landmarks
PASS
3 landmarks
Info::
<main> landmark present
Info::
1 <nav> landmark(s) found
Info::
No banner (header) landmark
Info::
Skip navigation link present
Page Structure — as a screen reader sees it
BANNER (missing!) NAV MAIN CONTENTINFO footer
A+
Heading Hierarchy
1 headings
PASS
1 headings
Info::
Single H1 present
  • H1 Run JavaScript Everywhere
A+
Alt Text Quality
No images
PASS
No images
Info::
No images on this page
No images on this page.
A+
Form Accessibility
No form controls
PASS
No form controls
Info::
No form controls on this page
No form controls found.
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 Run JavaScript Every…19.84:13.0:1
#000000
#F5FAF2
Pass
title Node.js — Run Java…21.00:14.5:1
#000000
#FFFFFF
Pass
a Skip to content21.00:14.5:1
#000000
#FFFFFF
Pass
span Learn20.99:14.5:1
#000000
#FFFFFE
Pass
span About20.81:14.5:1
#000000
#FEFEFD
Pass
span Download20.76:14.5:1
#000000
#FDFEFC
Pass
span Blog20.58:14.5:1
#000000
#FCFDFB
Pass
span Docs20.52:14.5:1
#000000
#FBFDF9
Pass
span Contribute20.30:14.5:1
#000000
#F9FCF7
Pass
span Courses20.11:14.5:1
#000000
#F8FBF5
Pass
p Node.js® is a free,…19.62:14.5:1
#000000
#F3F9F0
Pass
a Get Node.js®19.57:14.5:1
#000000
#F2F9EF
Pass
a Get Node.js®19.57:14.5:1
#000000
#F2F9EF
Pass
span Get security support19.62:14.5:1
#000000
#F3F9F0
Pass
small for EOL Node.js vers…19.79:14.5:1
#000000
#F4FAF1
Pass
span Node.js is proudly s…19.89:14.5:1
#000000
#F6FAF3
Pass
a and more20.07:14.5:1
#000000
#F7FBF5
Pass
button Create an HTTP Serve…20.30:14.5:1
#000000
#F9FCF7
Pass
button Write Tests20.53:14.5:1
#000000
#FBFDFA
Pass
button Read and Hash a File20.71:14.5:1
#000000
#FCFEFB
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 100/100 — 0 failing, 28 passed
PASS
100

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.

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
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
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Form elements have associated labels
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`button`, `link`, and `menuitem` elements have accessible names
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
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
Skip links are focusable.
Document has a main landmark.
Deprecated ARIA roles were not used
Uses ARIA roles only on compatible elements
`[accesskey]` values are unique
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 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.
Image elements have `[alt]` attributes
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
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
`<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.
Identical links have the same purpose.
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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