HSTS vs RapidSec
Head-to-head usage across the sites we track.
Top sites by authority
HSTS · RapidSec · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
279
0
Open Page Rank 8+
5,906
0
Open Page Rank 7+
30,134
0
Open Page Rank 6+
64,486
1
Open Page Rank 5+
120,212
1
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
HSTS · RapidSec · share of sites in each country using one or the other
United States
1,338,613
29
United Kingdom
411,483
15
India
404,554
19
Germany
400,616
12
France
326,363
10
Brazil
292,843
15
Canada
290,713
9
Italy
229,495
12
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HSTS | RapidSec |
|---|---|---|
| LCP | 1.7 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 800 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.