CGI

Apache Software Foundation, Wilmington, Delaware, United States

Common Gateway Interface (CGI) is an interface specification that enables web servers to execute an external program to process HTTP requests.

According to our data, CGI is present on 0.7% of all websites.

📊 Rankings and Market Share

We have data on 23,452 websites that use CGI. Here is a list of some of the top ranked ones.

The highest rated site using CGI is gist.github.com.

#	Website	Rank	Country	Language
1	gist.github.com		United States	English
2	jorudan.co.jp	#2,245	Japan	Japanese
3	genesisedu.net	#2,723	United States	English
4	astro.com	#2,731	Switzerland	English
5	goo-net.com	#2,801	Japan	Japanese
6	p-world.co.jp	#2,842	Japan	Japanese
7	adultfriendfinder.com	#3,941	United States	English
8	httpd.apache.org			English
9	archive.is	#4,577	Iceland	English
10	tuma.jp	#5,321	Japan	Japanese
11	nebraska.gov	#5,705	United States	American English
12	mobile.bg	#5,715	Bulgaria	Bulgarian
13	bokus.com	#6,308	Sweden	Swedish
14	basketball-reference.com	#6,467	United States	English
15	austlii.edu.au	#6,623	Australia	English
16	baseball-reference.com	#6,765	United States	English
17	internetdownloadmanager.com	#7,220	United States	English
18	fruitmail.net	#7,556	Japan	Japanese
19	pro-football-reference.com	#8,040		American English
20	df.cl	#9,176	Chile	Spanish

Most of the sites that use CGI:

🌎 Countries📢 Languages⭐ TLDs🗃️ Domain Categories

Most of the sites using CGI are from the United States, Japan, and the United Kingdom.

Most CGI users speak English or Japanese.

CGI is especially popular on .com, .net, and .org top-level domains.

The primary market segments for websites utilizing CGI include business, blogs and wiki, and marketing and merchandising.

These are some of the best CGI alternatives.

Rank	Name
1	CSS Cambridge, Massachusetts, United States A stylesheet language used to control the presentation of HTML and XML documents, defining layout, colors, typography, and responsive behavior across different devices.
2	HTML Cambridge, Massachusetts, United States A markup language used to create web pages and is the de facto standard for documents displayed in web browsers.
4	JSON A lightweight, language-independent data exchange format derived from JavaScript and used to structure and transmit data between systems.
37	Rack A minimal, modular interface and invocation convention that operates between Ruby web servers and web applications to standardize how HTTP requests and responses are exchanged. FreeOpen source
47	ESI Cambridge, Massachusetts, United States A simple markup language used to define web page components for dynamic assembly and delivery of web applications at the edge of the Internet.

Compare CGI to…

CGI is owned by the Apache Software Foundation, headquartered in Wilmington, Delaware, United States.

The majority of CGI users are from the United States.

According to our data, CGI is used on thousands of sites, including gist.github.com, jorudan.co.jp, and genesisedu.net.

Yes, for example, it is used by nebraska.gov. In total, we found CGI on 4 government sites in the United States.

Yes. The most notable of these is austlii.edu.au. Overall, we know of 12 academic websites in the United States that use CGI.

CGI is a moderately popular standard, ranking ahead of 31 other standards we track.

Alternatives and possible competitors to CGI may include ESI, Rack, and CSS.

Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.