Web Servers

ApacheApache

Apache Usage Statistics · Download List of All Websites using Apache

Apache has been the most popular web server on the Internet since April 1996.

Operating Systems and Servers
Syndication Techniques

AtomAtom

Atom Usage Statistics · Download List of All Websites using Atom

Atom Syndication Format is an XML language used for web feeds very similar to RSS.

RSSRSS

RSS Usage Statistics · Download List of All Websites using RSS

A family of web feed formats used to publish frequently updated content such as blog entries, news headlines or podcasts.

Pingback SupportPingback Support

Pingback Support Usage Statistics · Download List of All Websites using Pingback Support

A Pingback is one of three types of Linkbacks, methods for Web authors to request notification when somebody links to one of their documents.