ThumbmarkJS on new websites

1. ThumbmarkJS appeared on about 120 new sites in the last 30 days.^[1]
2. Seven in ten new ThumbmarkJS sites also use jsDelivr.

The line is the 7-day average share of new sites that use ThumbmarkJS, since 10 September.

#	Movement	Tool	Share of all sites	Share of category[3]	Bar
1	–	jQuery	14.1%	34.4%
2	–	React Router	6.6%	16.2%
3	–	Motion	6.0%	14.5%
4	–	TanStack Router	4.4%	10.7%
5	–	Swiper	3.4%	8.2%
…
214	▲7	ThumbmarkJS	<0.1%	<0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Javascript Library tool. Among September launches it ranked #207 in Javascript Library, up from #214 in August. All 1553 in Javascript Library

Tool	Sites with both	vs all new sites	Bar
jsDelivr	308	16x
jQuery	171	2.7x

Tools that turn up far more often on ThumbmarkJS sites than on new sites in general, and how many times as common each one is there.

21 of the 448 sites using ThumbmarkJS are product launches we list individually. The other 427 are new business and personal sites: they count towards the figures above but are not listed here. A watch sends them to you.

• 7P777 7p7771.com
• Raya.design raya.design
• Foventra Uptime foventra.com
• a i c e shopataice.com
• Delavo – AI Tool Comparison delavo.de
• AI Rewriter ai-rewriter.cc

Site	Found	Also detected
7P777 7p7771.com	Oct 20
ambera — Schweizer KMU-Software für kleine Betriebe ambera.ch	Oct 9
FounderOS founderos.sh	Oct 8
Raya.design raya.design	Oct 6
Foventra Uptime foventra.com · Developer Tools · Türkiye	Oct 1
a i c e shopataice.com · India	Oct 1
Delavo – AI Tool Comparison delavo.de · Directory · Germany	Sep 20
Interview Runtime: Android and iOS Interview Preparation interviewruntime.com · Education	Sep 13
AI Rewriter ai-rewriter.cc · Nigeria	Sep 13
Ardennes Short Break Planner | Ardennes ardennes.app	Aug 20
Digitaler Arbeitsschutz für Unternehmen - WerkPulz werkpulz.de · Hiring & HR · Germany	Aug 11
ApplyASAP applyasap.vercel.app · Hiring & HR	Aug 7

Showing the most recent 12 of 21.

Watches, exports and the API give you all 448 sites using ThumbmarkJS, from £15 a month.

1. These figures cover websites that went live since April 2026, not the web as a whole.
2. Country comes from what each site says about itself, such as a company registration, legal terms or a phone number, not just its domain ending. Too few sites state their country plainly for the usual count, so this one also counts single signals: a country domain ending, a phone number (for North America, its area code), a location the site declares in its own page metadata, or a country-specific vendor stack and the page language where they agree and nothing contradicts them. Read these as likely rather than certain.
3. Some products people expect to see here are filed under a related category: UI Library.