Accessibility

· 13 checks — Landmarks, headings, alt text, forms, and link quality rolled into one auditable list.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Checks

6 PASS 3 REVIEW 4 FIX

Web Manifest

Action

Not found

FIX

Not found

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.

Dark Mode Support

Action

Theme color only

FIX

Theme color only

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

No dark mode signals detected

Consider adding CSS with @media (prefers-color-scheme: dark) and <meta name='color-scheme' content='light dark'>.

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.

Print Stylesheet

Action

No print styles

FIX

No print styles

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 ✗

404 Error Page

HTTP 404, custom page

REVIEW

HTTP 404, custom page

Correct 404 status code returned

Got: HTTP 404

Custom styled 404 page

Navigation links present on 404 page

Homepage link present on 404 page

404 Page Quality ✓ Custom 404 Page

Status Code HTTP 404 ✓Page Title 404 page not found ✓Custom Styling ✓Navigation ✓Homepage Link ✓Search Form ✗

Favicon & Branding

5 icon(s) detected

REVIEW

5 icon(s) detected

favicon.ico present at site root

HTML icon links detected

Apple touch icon present

Multiple icon sizes detected

✓ favicon.ico Present

✓ PNG Icons Present

✓ Apple Touch Present

✗ SVG Favicon Missing

✗ Manifest Icons Missing

✓ Multiple Sizes Present

Color Contrast (Screenshot)

Action

20 text elements analyzed, 20 fail WCAG AA

REVIEW

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

0 pass 20 fail WCAG AA

h1 We help chemistry to change the world

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

32px · bottom of viewport

h2 Membership

1.53:1

#000000

#123042

needs 3.0:1 (large text)

24px · mid-page · over background image/gradient

h2 Publishing

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 Policy and campaigning

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 Standards and recognition

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 Funding and support

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 Events and venue hire

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 How will you join in?

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 Chemistry for our planet

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 Explore the latest news and updates

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 About us

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 Contact us

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h2 Help and legal

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

24px · bottom of viewport

h3 2026 Member Survey

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

19px · bottom of viewport

h3 Members' area

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

19px · bottom of viewport

h3 Explore our journals and books

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

19px · bottom of viewport

h3 Supporting teachers, influencing educati…

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

19px · bottom of viewport

h3 2026 RSC elections: voting now open

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

19px · bottom of viewport

h3 Unlocking affordable precious metal-free…

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

19px · bottom of viewport

h3 Rethinking upconversion nanoparticles

2.47:1

#000000

#494D53

needs 3.0:1 (large text)

19px · bottom of viewport

1 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)

Element	Ratio	Required	FG	BG	Result
h1 We help chemistry to…	2.47:1	3.0:1	#000000	#494D53	Fail
h2 Membership	1.53:1	3.0:1	#000000	#123042	Fail
h2 Publishing	2.47:1	3.0:1	#000000	#494D53	Fail
h2 Policy and campaigni…	2.47:1	3.0:1	#000000	#494D53	Fail
h2 Standards and recogn…	2.47:1	3.0:1	#000000	#494D53	Fail
h2 Funding and support	2.47:1	3.0:1	#000000	#494D53	Fail
h2 Events and venue hir…	2.47:1	3.0:1	#000000	#494D53	Fail
h2 How will you join in…	2.47:1	3.0:1	#000000	#494D53	Fail
h2 Chemistry for our pl…	2.47:1	3.0:1	#000000	#494D53	Fail
h2 Explore the latest n…	2.47:1	3.0:1	#000000	#494D53	Fail
h2 About us	2.47:1	3.0:1	#000000	#494D53	Fail
h2 Contact us	2.47:1	3.0:1	#000000	#494D53	Fail
h2 Help and legal	2.47:1	3.0:1	#000000	#494D53	Fail
h3 2026 Member Survey	2.47:1	3.0:1	#000000	#494D53	Fail
h3 Members' area	2.47:1	3.0:1	#000000	#494D53	Fail
h3 Explore our journals…	2.47:1	3.0:1	#000000	#494D53	Fail
h3 Supporting teachers,…	2.47:1	3.0:1	#000000	#494D53	Fail
h3 2026 RSC elections: …	2.47:1	3.0:1	#000000	#494D53	Fail
h3 Unlocking affordable…	2.47:1	3.0:1	#000000	#494D53	Fail
h3 Rethinking upconvers…	2.47:1	3.0:1	#000000	#494D53	Fail

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

4 landmarks

PASS

4 landmarks

<main> landmark present

1 <nav> landmark(s) found

Skip navigation link present

Page Structure — as a screen reader sees it

A+

Heading Hierarchy

28 headings

PASS

28 headings

Single H1 present

H2 Membership
H3 2026 Member Survey
H3 Members' area
H2 Publishing
H2 Policy and campaigning
H2 Standards and recognition
H2 Funding and support
H2 Events and venue hire
H1 We help chemistry to change the world
H2 How will you join in?
H3 Explore our journals and books
H4 Become a member
H4 Support our campaigns
H4 Apply for funding
H4 Get to know the RSC
H3 Supporting teachers, influencing education
H2 Chemistry for our planet
H2 Explore the latest news and updates
H3 2026 RSC elections: voting now open
H3 Unlocking affordable precious metal-free hydrogen fuel cells
H3 Rethinking upconversion nanoparticles
H3 PFAS the focus of 2026 RSC Change Makers accelerator scheme
H3 Egg‑citing chemistry experiments for families this Easter
H3 New book aiming to make chemistry education more inclusive
H3 Deaf Science Day inspires young Scottish learners
H2 About us
H2 Contact us
H2 Help and legal

A+

Alt Text Quality

All 7 images OK

PASS

All 7 images OK

7 image(s) with good alt text

7 images 7 good alt text

All images have appropriate alt text.

A+

Form Accessibility

All 1 controls labeled

PASS

All 1 controls labeled

1 control(s) properly labeled

1 controls

1 labeled

0 placeholder only

0 unlabeled

Control	Type	Label	Method
#header-search-input	text	Search	for/id

A+

Link & Button Quality

248 links, 5 buttons — all OK

PASS

248 links, 5 buttons — all OK

248 link(s) with descriptive text

248 links

0 empty

0 generic text

0 new tab

0 empty buttons

All links and buttons have descriptive accessible text.

253 links and buttons have descriptive text

A+

Lighthouse Accessibility Audits

Score 100/100 — 0 failing, 25 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

●Elements with `role="dialog"` or `role="alertdialog"` have accessible names.

●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

●Elements with visible text labels have matching accessible names.

○`[accesskey]` values are unique

○`button`, `link`, and `menuitem` elements 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 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.

○Identical links have the same purpose.

○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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Accessibility