Web accessibility checklist
Overall design and layout
- Test with automatic tools and mobile devices at the minimum.
- Page layout is simple, uncluttered, and consistent.
- Every page has a relevant and descriptive title that reflects the topic on the page. The title of your page is the most important search engine optimisation (SEO) factor.
- Page title is concise (around 70 characters).
- Style follows UOW Editorial Style for titles/headings.
- There is sufficient contrast of colours when placed next to, and on top of each other.
Readability and scannability
- Content is written in plain language, free of jargon, figures of speech, idioms, and complicated metaphors.
- Reading level is aimed at about Year 8 level - Check content reading level.
- Sentences are short and concise.
- There is no more than one long sentence per paragraph.
- Headings are used to introduce content and provide a content outline.
- Headings provide logical structure to content.
- Headings are not used for visual design purposes (e.g. to make text big or bold).
- Headings levels are not skipped.
- No more than four levels of headings used.
- Headings are not used on their own: they are always followed by associated content.
- Headings must be styled in accordance with the editorial style guide for headlines.
- Headings are in sentence style as per UOW Editorial Style.
- There are no "faux" headings created by making normal paragraph text bold.
- Sparing use of acronyms and abbreviations. Understanding Abbreviations SC 3.1.4 (WCAG)
- Text is left-aligned text for left-to-right languages / Right-aligned text for right-to-left languages.
- Information does not depend on colour alone (e.g. the red text)
- Information does not depend on sensory characteristics (e.g. middle row)
- Check spelling and grammar.
- Link text is text is meaningful out of context, unlike "read more" and "click here".
- Link text is not the URL itself.
- Links that open in new windows/tabs are labelled as such.
- Links to files or documents have the file type indicated, and this indicator is a part of the link itself.
- Lists are used to present groups of related items. A Bullet list is used when the sequence of items does not matter; e.g. list of ingredients for a cake.
- Numbered list is used when the order of items matter; e.g. list of steps for making a cake.
- Table header tags are present to help make pages navigable.
- Tables are kept simple (no merging cells, no nesting of tables).
- Tables are only used for tabular data and are not used to control the layout of the page.
- All images have an alt attribute.
- Decorative images have blank or empty alt text.
- Alt text describes what the image is in this particular context.
- Alt text is under 125 characters long (screen readers typically stop reading alt text at this point).
- Meaningful alt text does not start with "Picture of ..." or "Image of ...".
- Avoid images of text.
- Avoid images containing text.
- Graphs, charts, maps, diagrams (complex images) are explained through extended alt text (long description) or text around them.
- Images are optimised for the Web to ensure the shortest possible download times.
- Accurate audio descriptions/transcripts for audio.
- Audio does not automatically play.
- Avoid documents for mobile and screen reader users.
- Test with automatic tools at the minimum.