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 is present on 0.001% of all websites.

Statistics based on 3.5M+ analyzed websites. About this data

📊 Rankings and Market Share

We have data on 20 websites that use FOAF.

The highest rated site using FOAF is gfoodd.com.

#	Website	Rank	Country	Language
1	gfoodd.com	#341,177	Japan	Japanese
2	socio-logic.jp	#538,634	Japan	Japanese
3	webproduct-lab.com	#581,545	Japan	Japanese
4	runstant.com	#974,563
5	web-generalist.com	#1,037,351	Japan	Japanese
6	vip-deri.com	#1,078,576	Japan	Japanese
7	keiziban-jp.com	#1,134,668	Japan	Japanese
8	xscore.co.jp	#1,226,454	Japan	Japanese
9	nilab.info	#1,539,069	Japan	Japanese
10	goutaro.com	#2,131,575	Japan	Japanese
11	tokyoseikatsu.com	#2,286,066	Japan	Japanese
12	blog.ropross.net		Japan	Japanese
13	blog.webproduct-lab.com		Japan	Japanese
14	matsue-ebisu.net		Japan	Japanese
15	kosotatu.jp		Japan	Japanese
16	kiyoichi-t.com		Japan	Japanese
17	eh-lab.com		Japan	Japanese
18	crybro.com		Japan	Japanese
19	drs-medicine.com		Japan	Japanese
20	100ninpu.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, .net, and .jp 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
5	RSD Wesley Hills, New York, United States An XML format that helps client software find the services needed to read, edit, or "work with" weblogging software.
10	XFN United States An HTML microformat that represents human relationships by adding metadata to hyperlinks between websites and profiles.
13	XHTML Cambridge, Massachusetts, United States An XML-based markup language that extends HTML 4.
22	RDF Cambridge, Massachusetts, United States A W3C standard model for describing and exchanging graph-based data on the web.
41	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 20 sites, including such established ones as gfoodd.com, socio-logic.jp, and webproduct-lab.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 3,531,690 websites.
Statistics were last calculated on June 19, 2026.
For more details, see our methodology and disclaimer.