Microsoft Supported & Community Downloads for IIS...

Microsoft downloads are fully supported with future updates, bug fixes and customer support. Community downloads are submitted by IIS community members and do not benefit from Microsoft approval or support, and should be downloaded with this in mind.

All Microsoft Supported Downloads

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IIS Compression

Published on 05/23/2018 by Microsoft

Windows

IIS Compression is a collection of compression scheme providers that add support for Brotli compression and provide a better implementation of Gzip and Deflate compression than those that ship with IIS.

WinCache Extension for PHP

Published on 06/20/2010 by Microsoft

Windows

Windows Cache Extension for PHP is a PHP accelerator that is used to increase the speed of PHP applications running on Windows and Windows Server. Once the Windows Cache Extension for PHP is enabled and loaded by the PHP engine, PHP applications can take advantage of the functionality without any code modifications.

Application Initialization Module for IIS 7.5

Published by Microsoft

Windows

IIS Application Initialization for IIS 7.5 enables website administrators to improve the responsiveness of their Web sites by loading the Web applications before the first request arrives. By proactively loading and initializing all the dependencies such as database connections, compilation of ASP.NET code, and loading of modules, IT Professionals can ensure their Web sites are responsive at all times even if their Web sites use a custom request pipeline or if the Application Pool is recycled...

All Community Contributed Downloads

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Brotli Compression Scheme Plugin

Published on 02/06/2018 by saucecontrol

User

This Compression Scheme Plugin exposes Google's Brotli encoding library to the IIS built-in Static and Dynamic Compression Modules. This plugin requires no additional licensing and is free for all users.

ISAPI SCGI extension

Published on 12/27/2014 by apn

User

The ISAPI SCGI extension adds support for the Simple Common Gateway Interface protocol to IIS. SCGI is a standard for communicating between web servers and application servers on the back end offering similar benefits to FastCGI but significantly simpler.

PageSpeed Optimization powered by Google's official SDK

Published on 05/16/2013 by oschaaf

User

PageSpeed optimization module powered by Google's official PageSpeed optimization libraries. Speedy and optimized web pages help maximize visitor engagement, retention, and conversions. Google's PageSpeed platform offers insights, recommendations, and tools to automatically comply with best practices from the web performance optimization industry. Optimizes the output and PageSpeed grade of any IIS system, including static content, ASP.NET, PHP, ColdFusion, and Application Request Routing. Ca...