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It would be appropriate to use a PDF in these cases:
- The the content is designed to be printed off by users
- You you need to display complex content that is not web-friendly e.g. complicated diagrams or flow charts.
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- PDFs cannot be easily discovered by users through the search engines
- PDFs are not mobile-friendly, so they are more difficult to access
- It it is easier to keep an HTML document accurate and up to date
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- HTML documents are easier to read online
- HTML documents are easier for users to locate in the search engines
- HTML pages can be easily located on mobile devices
- We we need to comply with 'open standards' - we need to make sure we do not discriminate against people with disabilities.
- For for example, content must be accessible by someone who has a visual impairment.
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