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+
284
0
Open Page Rank 8+
5,894
1
Open Page Rank 7+
30,000
1
Open Page Rank 6+
64,348
1
Open Page Rank 5+
119,742
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 · VAPTCHA · share of sites in each country using one or the other
United States
1,467,206
12
United Kingdom
450,618
4
Germany
441,210
4
India
429,462
2
France
366,415
2
Canada
324,872
3
Brazil
303,175
5
Italy
243,977
2
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HSTS | VAPTCHA |
|---|---|---|
| LCP | 1.7 s | 2.7 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0.05 |
| TTFB | 700 ms | 800 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.