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+
97
1
Open Page Rank 8+
1,446
2
Open Page Rank 7+
5,938
2
Open Page Rank 6+
12,399
3
Open Page Rank 5+
23,449
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
374,319
3
India
135,440
7
United Kingdom
119,878
3
Germany
113,182
4
France
112,048
6
Italy
105,125
3
Brazil
87,855
3
Canada
85,143
3
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | GSAP | Strapdown.js |
|---|---|---|
| LCP | 2 s | 1.9 s |
| INP | 75 ms | 87 ms |
| CLS | 0 | 0.03 |
| TTFB | 900 ms | 650 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.