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Mixed Content Blocking test day July 1st

July 1, 2013

Dear Firefox testers,

Help us make a more secure web! The new Mixed Content Blocking feature will help ensure that users who wish to access secure sites are not compromised by non-secure resources. This feature will block insecure network requests for active content and warn the user about the safety of the site they are visiting.

The UI for blocking Mixed Active Content appears to the left of the URL bar as a small shield:

Mixed Active Content UI

Read more about mixed content blocking in Tanvi Vyas’ blog post here.

This feature may cause some sites to break. Our goal is to find as many affected sites as possible. We will file bugs and instruct site owners how to make their content HTTPS-compliant. Surfacing these problems as soon as we can will help sites fix their broken content and keep users safer.

Testing this feature is very simple and can be done with the sites you use every day. Some tasks that we’d like you to help with:

  • Surf the web sites you use every day to look for errors – especially social networks, banks, webmail, shopping, news and games
  • Look at a list of top sites, interact with them, and look for errors
  • If needed, compare the behavior of an affected site to how it behaves in other browsers

More details are available on an Etherpad that we have created just for this event. Read the page and choose an area that you’d like to work on. There will be people in the channel to help you throughout the entire testday.

With your help, we can make this testday a success, and improve the safety and quality of Firefox for all of our over 400 million users worldwide. If you have time on Monday, July 1st, please join us on IRC at #testday.


July 1, 2013
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