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EU Single Sky Performance

Accessibility statement

EU Single Sky Performance website

This statement applies to content published on the domain: ‘

It does not apply to other content or websites published on any of its subdomains. These websites and their content will have their own specific accessibility statement.

This website is managed by Directorate General for Mobility and Transport. It is designed to be used by as many people as possible, including people with disabilities.

You should be able to:

  • e.g. zoom up to 200% without problems
  • navigate most of the website using just a keyboard
  • navigate most of the website using a modern screen reader and speech recognition software (on your computer or phone)

This website is designed to comply with the technical standard for websites and mobile apps, EN 301 549,  v.3.2.1. This closely follows level ‘AA’ of the Web Content Accessibility Guidelines (WCAG) version 2.1.

Compliance status

This website is partially compliant with technical standard EN 301 549 v.3.2.1 and the Web Content Accessibility Guidelines (WCAG) 2.1 Level AA. See ‘Non-accessible content’ for more details.

The website was last tested on 11/12/2023.

Preparation of this statement

This statement was reviewed on 19/12/2023.

This statement is based on a review done by an automated tool Axe Monitor.


We welcome your feedback on the accessibility of the EU Single Sky Performance website. Please let us know if you encounter accessibility barriers:

We try to respond to feedback within 15 business days from the date of receipt of the enquiry by the responsible Commission department.

Compatibility with browsers and assistive technology

The ‘EU Single Sky Performance website’ is designed to be compatible with the following most used assistive technologies:

  • the latest version of Google Chrome, Microsoft Edge, Mozilla Firefox and Apple Safari browsers;
  • in combination with the latest versions of NVDA, VoiceOver and TalkBack.

Technical specifications

The accessibility of the ‘EU Single Sky Performance website’ relies on the following technologies to work with the particular combination of web browser and any assistive technologies or plugins installed on your computer:

  • HTML
  • CSS
  • JavaScript

Non-accessible content

Despite our best efforts to ensure accessibility of the ‘EU Single Sky Performance website’, we are aware of some limitations, which we are working to fix. Below is a description of known limitations and potential solutions. Please contact us if you encounter an issue not listed below.

Known limitations for the ‘EU Single Sky Performance website’:

  1. Colour contrast: some pages have poor colour contrast.
  2. Hyperlinks: some buttons and/or links don’t have readable text.
  3. PDF: many documents are in PDF format and are not accessible.
  4. Navigation menu accessibility: Some content has not been properly coded for the best experience with a screen reader.
  5. Buttons: Some buttons are not being properly announced by screen readers.
  6. Missing image description: Images on banners and carousel do not have image description.
  7. Heading Hierarchy: Some pages do not present content in an hierarchical heading organisation.