Country Flag Emoji Polyfill on new websites

1. Country Flag Emoji Polyfill did not appear on any new site in the last 30 days.^[1]

The line is the 7-day average share of new sites that use Country Flag Emoji Polyfill, since 10 September.

#	Movement	Tool	Share of all sites	Share of category[2]	Bar
1	–	jQuery	14.1%	34.5%
2	–	React Router	6.6%	16.2%
3	–	Motion	5.9%	14.5%
4	–	TanStack Router	4.4%	10.8%
5	–	Swiper	3.3%	8.2%
6	▲1	ES Module Shims	2.8%	6.9%
7	▲1	js-cookie	2.5%	6.0%
8	▼2	Modernizr	2.4%	5.9%
9	–	GSAP	1.9%	4.6%
10	▼1	Lenis	1.4%	3.4%
11	▼1	Masonry	1.3%	3.2%
12	–	Three.js	1.3%	3.1%
…
1441		Country Flag Emoji Polyfill	<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. All 1572 in Javascript Library

2 of the 2 sites using Country Flag Emoji Polyfill are product launches we list individually.

Site	Found	Also detected
Road Trip Planner with Stops — Free Multi-Day Trips | Waydo waydo.app	Aug 26
F1 Glory · Construye tu carrera en la F1 / Build your F1 career f1-glory.com	Aug 16

1. These figures cover websites that went live since April 2026, not the web as a whole.
2. Some products people expect to see here are filed under a related category: UI Library.