Internet — Explorer 9 (32 Bits)

: Regular support for most versions of IE9 ended on January 12, 2016 , when Microsoft began requiring users to upgrade to the latest version of IE available for their OS.

: The 32-bit version featured the new "Chakra" JavaScript engine. It utilized a background thread for Just-In-Time (JIT) compilation , allowing users to interact with pages while the browser generated faster code in the background.

: It was the first version of IE to achieve a perfect or near-perfect score on the Acid3 test (reaching 100/100 after the test was revised) and introduced support for HTML5, CSS3, and SVG. System Requirements and Lifecycle Internet Explorer 9 (32 bits)

: Interestingly, the 64-bit version of IE9 lacked this JIT compiler, making it up to four times slower than its 32-bit counterpart in JavaScript benchmarks.

IE9 introduced several features that brought it closer to competitors like Chrome and Firefox: : Regular support for most versions of IE9

: IE9 was compatible with Windows 7, Windows Vista SP2 , and their server counterparts. Notably, it was the first version of IE to not support Windows XP.

: The interface was redesigned to be minimalistic, featuring a combined address and search bar called the "One Box" . : It was the first version of IE

: Users could drag a website favicon to the Windows taskbar to "pin" it, allowing the site to function more like a standalone desktop application.