HSTS vs VAPTCHA
Head-to-head usage across the sites we track.
Top sites by authority
HSTS · VAPTCHA · 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
1
Open Page Rank 7+
30,134
1
Open Page Rank 6+
64,486
1
Open Page Rank 5+
120,212
2
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
HSTS · VAPTCHA · share of sites in each country using one or the other
United States
1,338,613
9
United Kingdom
411,483
3
India
404,554
2
Germany
400,616
3
France
326,363
2
Brazil
292,843
4
Canada
290,713
3
Italy
229,495
2
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HSTS | VAPTCHA |
|---|---|---|
| LCP | 1.7 s | 2.4 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0.05 |
| 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.