Agent2Agent Protocol on new websites

1. Agent2Agent Protocol appeared on 3 new sites in the last 30 days.^[1]

The line is the 7-day average share of new sites that use Agent2Agent Protocol, since 16 September. It starts at our first detection.

#	Movement	Tool	Share of all sites	Share of category	Bar
1	–	HTTP/3	50.7%	>99.9%
2	–	Tor Onion Service	<0.1%	<0.1%
3	▼3	United States Semantic Standard	<0.1%	<0.1%
4	▼1	I2P	<0.1%	<0.1%
5	▼1	njump	<0.1%	<0.1%
…
9	▲7	Agent2Agent Protocol	<0.1%	<0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Protocol tool. Among September launches it ranked #3 in Protocol, up from #10 in August. All 23 in Protocol

2 of the 5 sites using Agent2Agent Protocol are product launches we list individually. The other 3 are new business and personal sites: they count towards the figures above but are not listed here. A watch sends them to you.

Site	Found	Also detected
Property Defect — Real Estate Intelligence propertydefect.com	Sep 23
3webs — what AI systems see on your site 3webobs.com · Marketing	Sep 5

Watches, exports and the API give you all 5 sites using Agent2Agent Protocol, from £15 a month.

1. These figures cover websites that went live since April 2026, not the web as a whole.