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Accessibility

· 13 checks — Landmarks, headings, alt text, forms, and link quality rolled into one auditable list.
SCORE
70
GRADE
C
FIX
4
REVIEW
4
PASS
5
INFO
0
Checks
13
5 PASS 4 REVIEW 4 FIX
D
Web Manifest
Action
Valid manifest
FIX
Valid manifest
Info::
Name present: PeerJ
Info::
192x192 icon present
PWA Install Criteria Not Installable
Name PeerJ 192×192 icon 512×512 icon Start URL Display Mode
Name PeerJ Icons 6 icon(s)
D
Dark Mode Support
Action
Theme color only
FIX
Theme color only
Info::
Theme-color present but no dark variant
A theme-color is set but no dark-specific variant was found. The browser toolbar may not adapt for dark mode users.
Got: #ffffff
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 ModePartial Dark Mode
color-scheme meta Not set Dark theme-color Not set CSS indicators Not detected

Detection limited to meta tags and inline styles.

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::
Skip navigation link detected
Info::
Back-to-top link detected
Info::
1 navigation landmark(s) detected
Info::
Hamburger menu detected (responsive design)
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)
4 of 6 testable patterns navigation patterns detected. Strong navigation UX with multiple discovery paths.
C
404 Error Page
Action
HTTP 404, custom page
REVIEW
HTTP 404, custom page
Info::
Correct 404 status code returned
Got: HTTP 404
Info::
Custom styled 404 page
404 Page Quality Custom 404 Page
Status Code HTTP 404 Page Title PeerJ Peer-Reviewed Open Access Journals, Trusted by Researchers Custom Styling Navigation Homepage Link Search Form
B
Favicon & Branding
21 icon(s) detected
REVIEW
21 icon(s) detected
Info::
favicon.ico present at site root
Info::
HTML icon links detected
Info::
Apple touch icon present
Info::
Multiple icon sizes detected
favicon.ico Present
PNG Icons Present
Apple Touch Present
SVG Favicon Missing
Manifest Icons Present
Multiple Sizes Present
C
Color Contrast (Screenshot)
Action
20 text elements analyzed, 11 fail WCAG AA
REVIEW

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

9 pass 11 fail WCAG AA
title PeerJ - Peer-Reviewed Open Access Journa…
1.42:1
#000000
on
#10147E
needs 4.5:1 (normal text)
16px · top of page (header area)
a Skip to main content
1.40:1
#000000
on
#0F137C
needs 4.5:1 (normal text)
16px · top of page (header area)
a PeerJ
1.71:1
#000000
on
#292B77
needs 4.5:1 (normal text)
16px · top of page (header area) · over background image/gradient
span Submit Article
2.49:1
#000000
on
#4B4B65
needs 4.5:1 (normal text)
16px · top of page (header area)
span
1.04:1
#000000
on
#0D0405
needs 4.5:1 (normal text)
16px · above the fold
label Search Articles, Users, & Help
1.16:1
#000000
on
#231208
needs 4.5:1 (normal text)
16px · above the fold
span Filter
1.01:1
#000000
on
#070000
needs 4.5:1 (normal text)
16px · above the fold
span Shortcuts
1.02:1
#000000
on
#080101
needs 4.5:1 (normal text)
16px · above the fold
span Adv search
1.02:1
#000000
on
#090202
needs 4.5:1 (normal text)
16px · above the fold
div Recent search queries
1.19:1
#000000
on
#25140F
needs 4.5:1 (normal text)
16px · above the fold · over background image/gradient
span Clear all
1.15:1
#000000
on
#240F09
needs 4.5:1 (normal text)
16px · above the fold

2 contrast failures on background images/gradients

These failures are invisible to CSS-based accessibility tools like Lighthouse. The text may be fine on a solid background, but fails when rendered over an image or gradient.

Show all checked elements (20)
ElementRatioRequiredFGBGResult
h1 Committed to open, t…20.29:13.0:1
#000000
#FBFBFB
Pass
h2 Our Journals20.29:13.0:1
#000000
#FBFBFB
Pass
h2 PeerJ20.29:13.0:1
#000000
#FBFBFB
Pass
h2 PeerJ Computer Scien…20.29:13.0:1
#000000
#FBFBFB
Pass
h2 PeerJ Hubs21.00:13.0:1
#000000
#FFFFFF
Pass
h2 What our Authors are…21.00:13.0:1
#000000
#FFFFFF
Pass
title PeerJ - Peer-Reviewe…1.42:14.5:1
#000000
#10147E
Fail
a Skip to main content1.40:14.5:1
#000000
#0F137C
Fail
a PeerJ1.71:14.5:1
#000000
#292B77
Fail
span Submit Article2.49:14.5:1
#000000
#4B4B65
Fail
span 1.04:14.5:1
#000000
#0D0405
Fail
label Search Articles, Use…1.16:14.5:1
#000000
#231208
Fail
span Filter1.01:14.5:1
#000000
#070000
Fail
span Shortcuts1.02:14.5:1
#000000
#080101
Fail
span Adv search1.02:14.5:1
#000000
#090202
Fail
div Recent search querie…1.19:14.5:1
#000000
#25140F
Fail
span Clear all1.15:14.5:1
#000000
#240F09
Fail
span Why publish with us20.29:14.5:1
#000000
#FBFBFB
Pass
div A multidisciplinary,…20.29:14.5:1
#000000
#FBFBFB
Pass
div Explore Journal20.29:14.5:1
#000000
#FBFBFB
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+
Landmark Structure
9 landmarks
PASS
9 landmarks
Info::
<main> landmark present
Info::
1 <nav> landmark(s) found
Info::
Skip navigation link present
Page Structure — as a screen reader sees it
BANNER header NAV "Main Navigation" MAIN ASIDE CONTENTINFO footer
A+
Heading Hierarchy
9 headings
PASS
9 headings
Info::
Single H1 present
  • H6 Notifications
  • H1 Committed to open, trusted by researchers
  • H2 Our Journals
  • H2 PeerJ
  • H2 PeerJ Computer Science
  • H2 Annual Institutional Memberships (AIMs)
  • H2 PeerJ Hubs
  • H2 Ready to Submit your Research?
  • H2 What our Authors are Saying
A+
Alt Text Quality
All 2 images OK
PASS
All 2 images OK
Info::
2 image(s) with good alt text
2 images 2 good alt text
All images have appropriate alt text.
A+
Form Accessibility
All 1 controls labeled
PASS
All 1 controls labeled
Info::
1 control(s) properly labeled
1 controls
1 labeled
0 placeholder only
0 unlabeled
ControlTypeLabelMethod
#input-63textSearch Articles, Users, & Helpfor/id
A+
Lighthouse Accessibility Audits
Score 100/100 — 0 failing, 26 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
`[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 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
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
Elements with visible text labels have matching accessible names.
`[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
Form elements have associated labels
Links are distinguishable without relying on color.
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
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.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
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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