Features of Firefox Features of Firefox Here are some of the features that distinguish Mozilla Firefox from other web browsers, such as Internet Explorer. To avoid interface bloat and ship a relatively smaller core customizable to meet individual users' needs, and allow for corporate or institutional extensions to meet their varying policies, Firefox relies on a robust extension system to allow users to modify the browser according to their requirements instead of providing all features in the standard distribution. While Opera and Google Chrome do the same, extensions for these are fewer in number as of late 2013. Internet Explorer also has an
SPDY following the recent final ratification of the HTTP/2 standard, support for SPDY would be deprecated, and that support for SPDY would be withdrawn. Google removed SPDY support in Google Chrome 51. Mozilla removed it in Firefox 50. , the group developing SPDY stated publicly that it was working toward standardisation (available as an Internet Draft). The first draft of HTTP/2 used SPDY as the working base for its specification draft and editing. Implementations of SPDY exist in Chromium, Mozilla Firefox, Opera, Amazon Silk, Internet Explorer, and Safari, with the implementations for Chromium and Firefox being open source software. In February