Server Side Includes (SSI) is a simple interpreted
server-side scripting
Server-side scripting is a technique used in web development which involves employing scripts on a web server which produces a response customized for each user's (client's) request to the website. The alternative is for the web server itself ...
language used almost exclusively for the
World Wide Web
The World Wide Web (WWW), commonly known as the Web, is an information system enabling documents and other web resources to be accessed over the Internet.
Documents and downloadable media are made available to the network through web se ...
. It is most useful for including the contents of one or more files into a web page on a
web server
A web server is computer software and underlying hardware that accepts requests via HTTP (the network protocol created to distribute web content) or its secure variant HTTPS. A user agent, commonly a web browser or web crawler, initi ...
(see below), using its
#include directive. This could commonly be a common piece of code throughout a site, such as a page header, a page footer and a navigation menu. SSI also contains control directives for conditional features and directives for calling external programs. It is supported by
Apache,
LiteSpeed
Litespeed is a U.S. bicycle manufacturer founded in 1986 in Ooltewah, Tennessee by David Lynskey. Litespeed makes titanium and carbon fiber frame road racing bicycles and mountain bikes. Titanium bicycle frames are famed for their ride qualit ...
,
nginx
Nginx (pronounced "engine x" ) is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache. The software was created by Igor Sysoev and publicly released in 2004. Nginx is free and open-source software ...
,
IIS
IIS may refer to:
Organizations
* Indian Information Service, of the Government of India
* Institute of Information Scientists, a professional association now merged into the Chartered Institute of Library and Information Professionals, UK
* Inst ...
as well as
W3C
The World Wide Web Consortium (W3C) is the main international standards organization for the World Wide Web. Founded in 1994 and led by Tim Berners-Lee, the consortium is made up of member organizations that maintain full-time staff working t ...
's Jigsaw.
It has its roots in