Follow and validate the HTML5 standard

Technology oriented Frontend developer

Standards should be used because assistive technology is developed according to standards. The HTML5 standard has stronger semantics than any older standard, which is beneficial for accessibility because it helps assistive technology determining what the different elements are.

Declare doctype as such:

<!DOCTYPE html>
<!DOCTYPE html>

Validate using (X) HTML5 Validator or W3C mark-up validation service.

Using input types like numbers, url and email will provide the right keyboard popping up on touch screens and is also beneficial for live form validation.


Touch keyboard and input field with input type='number'

Figure 5: Touch keyboard and input field with input type=”number”

WARNING: Be aware that there may be issues using