GSAP vs Strapdown.js
Head-to-head usage across the sites we track.
Top sites by authority
GSAP · Strapdown.js · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
101
1
Open Page Rank 8+
1,442
2
Open Page Rank 7+
5,971
2
Open Page Rank 6+
12,404
3
Open Page Rank 5+
23,472
5
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
GSAP · Strapdown.js · share of sites in each country using one or the other
United States
336,193
3
India
120,243
6
United Kingdom
105,254
3
Germany
103,146
3
France
94,934
5
Italy
90,969
3
Brazil
81,278
4
Canada
75,336
3
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | GSAP | Strapdown.js |
|---|---|---|
| LCP | 2 s | 1.4 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 750 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.