Microsoft’s Internet Information Services is one of the oldest web server platforms around. Originally launched in 1995, it’s been regularly updated alongside Windows Server.

Microsoft is now just 4.1 percentage points behind Apache, which, as the most popular Web server software on the Internet, now powers about 37.6 percent of all sites.

The next version of Microsoft's Internet Information Services Web server (IIS7) will integrate the ASP.NET development technologies and turn many core features into optional modules.

Microsoft is now just 4.1 percentage points behind Apache, which, as the most popular Web server software on the Internet, now powers about 37.6 percent of all sites.

Microsoft is now just 4.1 percentage points behind Apache, which, as the most popular Web server software on the Internet, now powers about 37.6 percent of all sites.