A checklist for every role in your team.

• Text colours have at least 4.5:1 contrast with the background, large text at least 3:1. 1.4.3 Contrast (Minimum)
• Input borders, icons and focus indicators have at least 3:1 contrast. 1.4.11 Non-text Contrast
• Colour is never the only cue: links in text are underlined, errors have text and an icon. 1.4.1 Use of Color
• Every control has a clearly visible focus style. 2.4.7 Focus Visible
• Sticky headers and cookie banners never fully hide the focused element. 2.4.11 Focus Not Obscured (Minimum)
• Targets are at least 24 × 24 px or have enough space around them. 2.5.8 Target Size (Minimum)
• The layout works at 320 px width without horizontal scrolling. 1.4.10 Reflow
• Text survives wider line, word and letter spacing without being cut off. 1.4.12 Text Spacing
• Navigation and help links sit in the same place on every page. 3.2.3 Consistent Navigation
• Every form field has a visible label, not just a placeholder. 3.3.2 Labels or Instructions
• Anything you can drag (sliders, sorting) also works with a simple click. 2.5.7 Dragging Movements
• Nothing flashes more than three times a second; animations can be paused. 2.2.2 Pause, Stop, Hide

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• Every page has a language (lang) and a unique title. 3.1.1 Language of Page
• Headings, lists, tables and landmarks are real HTML, not just styling. 1.3.1 Info and Relationships
• Everything can be reached and used with the keyboard, with no keyboard trap. 2.1.1 Keyboard
• The tab order follows the meaning of the page. 2.4.3 Focus Order
• A skip link leads straight to the main content. 2.4.1 Bypass Blocks
• Custom controls expose name, role and state (for example aria-expanded). 4.1.2 Name, Role, Value
• Fields for personal data have the right autocomplete values. 1.3.5 Identify Input Purpose
• Error messages appear as text next to the field and are linked with aria-describedby. 3.3.1 Error Identification
• Status messages are announced through a live region. 4.1.3 Status Messages
• A button’s visible text is part of its accessible name. 2.5.3 Label in Name
• Login allows paste and password managers; no puzzle without an alternative. 3.3.8 Accessible Authentication (Minimum)
• Focusing or changing a field never triggers anything unexpected (no page change). 3.2.2 On Input
• Content shown on hover can be closed with Esc and stays while the pointer is over it. 1.4.13 Content on Hover or Focus

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• Every informative image has alt text that says what it means in context. 1.1.1 Non-text Content
• Decorative images are marked as decorative (empty alt). 1.1.1 Non-text Content
• Headings structure the text without skipping levels. 2.4.6 Headings and Labels
• Link texts say where they lead. No “click here”. 2.4.4 Link Purpose (In Context)
• Videos have captions, audio files a transcript. 1.2.2 Captions (Prerecorded)
• Where the picture carries information, videos have audio description. 1.2.5 Audio Description (Prerecorded)
• Instructions never rely on colour, shape or position alone. 1.3.3 Sensory Characteristics
• Passages in another language are marked with that language. 3.1.2 Language of Parts
• Downloadable PDFs are tagged, with title, language and reading order. 1.3.1 Info and Relationships
• Text is real text, not an image of text. 1.4.5 Images of Text
• Data tables have header cells; there are no layout tables. 1.3.1 Info and Relationships

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• The specification requires “WCAG 2.2 level AA” (with reference to EN 301 549).
• Bidders provide a test report that rates every criterion individually.
• Testing covers the key user journeys, not just the home page.
• It is agreed who fixes issues and by when.
• A re-test after acceptance is part of the contract.
• Third-party components (chat, booking, payment, cookie banner) are included in testing.
• The CMS lets editors add alt text, headings and captions.
• The accessibility statement is part of the delivery.
• An overlay widget does not count as proof of accessibility.
• Regular checks (monitoring) after launch are planned.

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