FOAF

FOAF (Friend Of A Friend) is a machine-readable ontology describing persons, their activities and their relations to other people and objects.

According to our data, FOAF ranks 56th among the standards we track.
It is detected on 0.001% of all websites.

It is especially popular in Japan, appearing on 0.01% of all websites in the country.

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

📊 Rankings and Market Share

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

The highest rated site using FOAF is gfoodd.com.

#	Website	Rank	Country	Language
1	gfoodd.com	#367,942	Japan	Japanese
2	socio-logic.jp	#887,632	Japan	Japanese
3	keiziban-jp.com	#1,044,352	Japan	Japanese
4	nilab.info	#1,209,871	Japan	Japanese
5	webproduct-lab.com	#1,494,887	Japan	Japanese
6	runstant.com	#1,614,993	Japan
7	bbg-mountain.com	#1,705,872	Japan	Japanese
8	tdk-blog.com	#2,027,823	Japan	Japanese
9	xscore.co.jp	#2,268,773	Japan	Japanese
10	goutaro.com	#3,202,804	Japan	Japanese
11	tokyoseikatsu.com	#3,332,869	Japan	Japanese
12	blog.ropross.net		Japan	Japanese
13	blog.webproduct-lab.com		Japan	Japanese
14	kosotatu.jp		Japan	Japanese
15	vip-deri.com		Japan	Japanese
16	jyn.jp		Japan	Japanese
17	matsue-ebisu.net		Japan	Japanese
18	kurasheep.com		Japan	Japanese
19	web-generalist.com		Japan	Japanese
20	kiyoichi-t.com		Japan	Japanese

Most of the sites that use FOAF:

🌎 Countries📢 Languages⭐ TLDs🗃️ Domain Categories

Most of the sites using FOAF are from Japan.

Most FOAF users speak Japanese.

FOAF is especially popular on .com, .jp, and .net top-level domains.

The primary market segments for websites utilizing FOAF include blogs and wiki, and technical information.

These are some of the best FOAF alternatives.

Rank	Name
7	RSD Wesley Hills, New York, United States An XML format that allows client software to discover services provided by web publishing systems.
13	XFN United States An HTML microformat that represents human relationships by adding metadata to hyperlinks between websites and profiles.
15	XHTML Cambridge, Massachusetts, United States An XML-based markup language that extends HTML 4.
24	RDF Cambridge, Massachusetts, United States A W3C standard model for describing and exchanging graph-based data on the web.
43	XRDS An XML-based file format that provides a list of service endpoints (e.g., OpenID) available on a website.

Compare FOAF to…

The majority of FOAF users are from Japan.

According to our data, FOAF is used on at least 23 sites, including such established ones as gfoodd.com, socio-logic.jp, and keiziban-jp.com.

Alternatives and possible competitors to FOAF may include RSD, XFN, and RDF.

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.