Really Simple SSL & Security vs ThreatMetrix
Head-to-head usage across the sites we track.
Top sites by authority
Really Simple SSL & Security · ThreatMetrix · 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
Really Simple SSL & Security · ThreatMetrix · share of sites in each country using one or the other
United States
83,739
329
Brazil
43,852
187
Spain
40,106
106
Japan
36,223
67
France
32,992
116
Italy
30,741
108
United Kingdom
29,953
138
Germany
28,990
116
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Really Simple SSL & Security | ThreatMetrix |
|---|---|---|
| LCP | 2.4 s | 2.4 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 1300 ms | 900 ms |
Median site's p75 values from the Chrome UX Report, Aug 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.
Really Simple SSL & Security to ThreatMetrix
| Domain | When |
|---|---|
| trebolmayoreo.com | Aug 2026 |
All Really Simple SSL & Security sites · All ThreatMetrix sites