GSAP vs Hydrogen
Head-to-head usage across the sites we track.
Top sites by authority
GSAP · Hydrogen · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
99
0
Open Page Rank 8+
1,449
7
Open Page Rank 7+
5,937
31
Open Page Rank 6+
12,342
66
Open Page Rank 5+
23,347
139
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
GSAP · Hydrogen · share of sites in each country using one or the other
United States
328,404
979
India
118,978
444
United Kingdom
105,671
520
Germany
102,329
381
France
97,822
326
Italy
96,801
283
Brazil
79,378
164
Spain
76,953
263
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | GSAP | Hydrogen |
|---|---|---|
| LCP | 2 s | 2 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1000 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.
GSAP to Hydrogen
| Domain | When |
|---|---|
| rufflog.jp | Jul 2026 |
| licoricepizzarecords.com | May 2026 |
| sttmall.hk | Apr 2026 |