CoinHive Captcha vs Really Simple SSL & Security
Head-to-head usage across the sites we track.
Top sites by authority
CoinHive Captcha · Really Simple SSL & Security · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CoinHive Captcha · Really Simple SSL & Security · share of sites in each country using one or the other
United States
0
76,913
Spain
5
40,791
Brazil
2
39,350
Japan
2
34,787
France
2
30,313
Italy
2
30,232
United Kingdom
2
27,598
Germany
2
26,604
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CoinHive Captcha | Really Simple SSL & Security |
|---|---|---|
| LCP | 1.9 s | 2.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1300 ms | 1300 ms |
Median site's p75 values from the Chrome UX Report, Oct 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.
CoinHive Captcha to Really Simple SSL & Security
| Domain | When |
|---|---|
| bettertrip.com.au | Nov 2025 |
All CoinHive Captcha sites · All Really Simple SSL & Security sites