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We are often asked if content can be published in PDF format , as this is a popular way of sharing documents.
The recommended format for web content is as an HTML publication. This is a time-stamped publication that opens in a web browser.
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Content must be accessible for all users
The reason we prefer HTML to PDF is that HTML documents are more accessible for users.
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We have a commitment to make our service accessible for anyone who needs it.
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The benefits of HTML
HTML documents are more accessible better for users because they:
- are more accessible in terms of font, tagging and metadata
- HTML documents are easier to read search and find onlineHTML documents
- are easier for users to locate in the search engines
- HTML pages can be easily located on mobile devices
- we need to comply with 'open standards' - we need to make sure we do not discriminate against people with disabilities
- for example, content must be accessible by someone who has a visual impairment
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- optimised for swipe screen
- fit specification of assistive technologies, such as screen readers
- can be quickly updated
- create fewer problems when linked to (PDF links break when they are updated)
- comply with open standards principles
- get higher user engagement
The drawbacks of PDFs
While PDFs are a useful document type for sharing internally, we do try not use PDFs to share information on the web because they:
- PDFs cannot be easily discovered by users found through the search engines
- PDFs are not mobile-friendly, so they are more difficult to access
- it is easier to keep an HTML document accurate and up to date
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Learn more
- GOV.UK guidance on why content should be published in HTML format
- PHE blog on the benefits of HTML documents
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- adapt poorly to different screen sizes and devices
- are difficult to update
- are less likely to be compliant with accessibility legislation
- have lower user engagement
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