GSAP vs RequireJS

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

4,573,350
websites
vs
1,521,355
websites

Top sites by authority

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

Open Page Rank 9+ 99 64
Open Page Rank 8+ 1,449 1,009
Open Page Rank 7+ 5,937 3,268
Open Page Rank 6+ 12,342 5,565
Open Page Rank 5+ 23,347 8,483

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

By country

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

United States 328,404 126,047
India 118,978 30,133
United Kingdom 105,671 39,713
Germany 102,329 37,781
France 97,822 27,527
Italy 96,801 19,210
Brazil 79,378 25,881
Canada 74,380 28,265

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

Real user performance

Metric GSAP RequireJS
LCP 2 s 1.6 s
INP 75 ms 50 ms
CLS 0 0
TTFB 900 ms 600 ms

Median site's p75 values from the Chrome UX Report, Sep 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 RequireJS sites

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