GSAP vs RxJS

Head-to-head usage across the sites we track.

4,528,661
websites
vs
25,167
websites

Top sites by authority

GSAP · RxJS · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank 9+ 101 16
Open Page Rank 8+ 1,442 85
Open Page Rank 7+ 5,971 241
Open Page Rank 6+ 12,404 364
Open Page Rank 5+ 23,472 527

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

GSAP · RxJS · share of sites in each country using one or the other

United States 336,193 2,456
India 120,243 1,317
United Kingdom 105,254 1,144
Germany 103,146 1,136
France 94,934 955
Italy 90,969 834
Brazil 81,278 1,813
Canada 75,336 972

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Metric GSAP RxJS
LCP 2 s 2.2 s
INP 75 ms 100 ms
CLS 0 0
TTFB 900 ms 800 ms

Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.

Sites that switched

Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.

All GSAP sites · All RxJS sites

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018