Really Simple SSL & Security vs Very Good Security
Head-to-head usage across the sites we track.
Top sites by authority
Really Simple SSL & Security · Very Good 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
Really Simple SSL & Security · Very Good Security · share of sites in each country using one or the other
United States
83,739
1,354
Brazil
43,852
102
Spain
40,106
82
Japan
36,223
62
France
32,992
84
Italy
30,741
67
United Kingdom
29,953
160
Germany
28,990
85
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Really Simple SSL & Security | Very Good Security |
|---|---|---|
| LCP | 2.4 s | 2 s |
| INP | 75 ms | 75 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.
All Really Simple SSL & Security sites · All Very Good Security sites