PageSpeed & IIS

Automatic PageSpeed optimization module for Microsoft IIS

IISpeed is a port of mod_pagespeed to Microsoft IIS by We-Amp. It automatically optimizes web site output of Microsoft IIS for bandwidth and latency, in order to improve user experience and comply with best practices.


Get it here


Technical deep dive

Google published a GDL episide with a technical deep dive:

GDL episode on mod_pagespeed

Case study

We collaborated with Google and SunStar Media to conduct a test to measure the real-world effects of PageSpeed optimization with IISpeed on conversion rates and overall site speed.

Setup & configuration

The server module gets installed through an installer as a native http module on Microsoft IIS. Configuration is done through simple text configuration files.

Optimization Examples

Examples of applied optimizations can be found at

Supported technologies

  • Classic ASP
  • PHP on Windows
  • ColdFusion
  • Plesk on Windows
  • Sharepoint
  • or any other technology running on Microsoft IIS.