AJAX Login and Registration Modal Popup on new websites

1. AJAX Login and Registration Modal Popup appeared on 11 new sites in the last 30 days.^[1]
2. Almost all new AJAX Login and Registration Modal Popup sites also use jQuery.

The line is the 7-day average share of new sites that use AJAX Login and Registration Modal Popup, since 10 September.

#	Movement	Tool	Share of all sites	Share of category	Bar
1	–	Google Sign-In	1.7%	62.8%
2	▲1	Clerk	0.4%	16.6%
3	▼1	Auth.js	0.4%	15.4%
4	–	Google Identity Platform	0.1%	2.3%
5	▲4	Privy	<0.1%	1.1%
6	▼2	Google OAuth	<0.1%	1.0%
7	–	Stytch	<0.1%	1.0%
8	▼2	Apple Sign In	<0.1%	1.0%
9	▲1	Netlify Identity	<0.1%	0.9%
10	▼1	OTPless	<0.1%	0.6%
11	▲3	AWS Cognito	<0.1%	0.3%
12	▼1	Microsoft Authentication Library	<0.1%	0.3%
…
28	–	AJAX Login and Registration Modal Popup	<0.1%	<0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Auth tool. All 175 in Auth

Tool	Sites with both	vs all new sites	Bar
Blocksy	30	201x
Rank Math	31	44x
js-cookie	41	32x
Sourcebuster	39	31x
WooCommerce	42	30x

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

1 of the 52 sites using AJAX Login and Registration Modal Popup are product launches we list individually. The other 51 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
YITA｜用現成的 Block 組出 WordPress 網站 yita.app	Sep 3

Watches, exports and the API give you all 52 sites using AJAX Login and Registration Modal Popup, from £15 a month.

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