Picto thématique

Rule n° 139 - Links which cause external software to open have an explicit label.

The most common case is the unexpected opening of your email program after clicking on a link "Contact". Try to warn users in advance.

#Links #Editorial #Accessibility


  • Avoid the unexpected launch of software other than the web browser on the client workstation.
  • Improve the accessibility of content for people with disabilities.


Write the wording of the links in question in such a way as to predict their behaviour. For example, it is better to write the mailto links as "Send an email" rather than a simple "Contact" link.

Find out more:


In all of the pages checked:

  • Examine the content to find the links causing external software to be opened (mail link for example).
  • For each relevant link, check that the wording of the link is sufficiently explicit so that the user is warned of its specific behaviour.

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