ISAPIZip is an ISAPI plugin for Internet Information Server (IIS) that compresses data on the fly when requested by users - without any client software. The end result is that not only do pages on the website load faster, but the use substantially less bandwidth than before.

ETagFix is an ISAPI plugin for Internet Information Server (IIS) that changes the etag produced by IIS so that your etag does not change every time your computer reboots. This can result in web crawlers and user clients wanting to recache your web page when they don't need to.