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 ranks 27th among the standards we track.
It is detected on 0.6% of all websites.

It appears on 1.9% of all websites in Japan, 1.1% in Australia, and 0.8% in the United States.

Statistics based on 4M+ analyzed websites. About this data

📊 Rankings and Market Share

We have data on 25,444 websites that use CGI. Here is a list of some of the top ranked ones.

The highest rated site using CGI is genesisedu.net.

#	Website	Rank	Country	Language
1	genesisedu.net	#1,406	United States	English
2	baseball-reference.com	#2,855	United States	English
3	goo-net.com	#3,128	Japan	Japanese
4	p-world.co.jp	#3,395	Japan	Japanese
5	so-net.ne.jp	#3,427	Japan	Japanese
6	astro.com	#3,492	Switzerland	English
7	httpd.apache.org		United States	English
8	mobile.bg	#5,786	Bulgaria	Bulgarian
9	temporary.site	#6,721	United States	English
10	car-part.com	#6,747		English
11	pro-football-reference.com	#7,144	United States	English
12	adultfriendfinder.com	#7,219	United States	English
13	fruitmail.net	#7,859	Japan	Japanese
14	cofidis.fr	#8,271	France	French
15	goobike.com	#8,474	Japan	Japanese
16	city.chiba.jp	#8,487	Japan	Japanese
17	binkdate.nl	#11,064	Netherlands	Dutch
18	seino.co.jp	#11,456	Japan	Japanese
19	townnews.co.jp	#11,676	Japan	Japanese
20	resonabank.co.jp	#11,911	Japan	Japanese

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.
3	ARIA Cambridge, Massachusetts, United States A technical specification from the W3C Web Accessibility Initiative that defines how to improve the accessibility of web content and applications, particularly those with dynamic interfaces and custom controls.
41	Rack Munich, Germany 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
49	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 such established ones as genesisedu.net, baseball-reference.com, and goo-net.com.

In total, we found CGI on 5 government sites in the United States.

Yes. Overall, we know of 16 academic websites in the United States that use CGI.

CGI is a moderately popular standard, ranking ahead of 29 other standards we track.

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

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 4,001,723 websites.
Statistics were last calculated on November 2, 2026.
For more details, see our methodology and disclaimer.