[Feature request] Accessibility features

[lexoyo]

One should be able to create accessible websites with Silex

This means (feedback welcome)

• [x] Alt text for images
• [x] Semantic tags
• [ ] Aria attributes
• [ ] Keyboard nav
• [x] H1/2/3... Tags
• [ ] Keyboard nav menu

links

Focus ring visible only to keyboard nav https://github.com/WICG/focus-visible https://developer.mozilla.org/en-US/docs/Web/CSS/:focus-visible

Wix take on accessibility https://www.wix.com/accessibility

Webflow interesting article https://webflow.com/blog/accessibility-at-webflow

To analyse when adding accessibility to silex components https://reakit.io/