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How to build web pages so they work in HTML first: starting with HTML, extra styles and features, using JavaScript.
Supporting your team to make accessible services. Using semantic HTML, CSS, JavaScript and WAI-ARIA to make accessible interfaces.
Learn how to publish accessible documents to meet the needs of all users under the accessibility regulations.
Configuring HSTS and serving your assets efficiently.
Using metadata to make it easier to catalogue, validate, reuse and share your data.
Check what you need to do if you're sending, receiving and storing VAT invoices in an electronic format.
This provides details for screening providers on moving from printed leaflets to digital alternatives.
This guidance covers the tools and processes you need to help you write your API reference documentation
Manage your dependencies to keep code up to date, your system secure and your service working as intended.
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The technical content style guide covers the style, structure and terms you should use when writing content for technical users on GOV.UK.
How to test your service for different browsers and devices: user needs, verified browsers, adapting to change.
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