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Hacks Blog

  • Build and Run Firefox OS on Sony Open Devices

    A few years ago, Sony released their first port of Firefox OS, for the Xperia E. Since then, Sony has started the Open Devices initiative to bring support for AOSP (the Android Open Source Project) to many more of its smartphones. The porting work described in this post is based ...

  • Inspecting Security and Privacy Settings of a Website

    Inspecting the Content Security Policy of a Website Starting in Firefox 41, Mozilla provides a developer tool that allows users to inspect the security settings of a website. Using GCLI (Graphic Command Line Interface) a user can inspect the Content Security Policy (CSP) of a website. CSP is a security ...

  • Trainspotting: Firefox 41

    Trainspotting is a series of articles highlighting features in the lastest version of Firefox. A new version of Firefox is shipped every six weeks – we at Mozilla call this pattern “release trains.” Firefox 41 (the Fire-y-est Fox to date) brings a bevy of new and improved features for browser ...

  • Do not let your CDN betray you: Use Subresource Integrity

    Mozilla Firefox Developer Edition 43 and other modern browsers help websites to control third-party JavaScript loads and prevent unexpected or malicious modifications. Using a new specification called Subresource Integrity, a website can include JavaScript that will stop working if it has been modified. With this technology, developers can benefit from ...

  • Building RTL-Aware Web Apps and Websites: Part 1

    Making the web more accessible to more people, in more languages, is an ongoing effort and a mission we take very seriously at Mozilla. This post is the first of a series of articles to explain one of the most neglected and least well-known corners of web development: RTL (right-to-left) ...

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