RapidSec vs Really Simple SSL & Security
Head-to-head usage across the sites we track.
Top sites by authority
RapidSec · Really Simple SSL & Security · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
27
Open Page Rank 8+
0
437
Open Page Rank 7+
0
1,413
Open Page Rank 6+
1
2,929
Open Page Rank 5+
1
5,958
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
RapidSec · Really Simple SSL & Security · share of sites in each country using one or the other
United States
35
97,418
Brazil
17
48,788
Spain
16
47,706
Japan
10
42,353
France
9
40,734
Italy
11
36,640
United Kingdom
19
35,181
Germany
13
32,992
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | RapidSec | Really Simple SSL & Security |
|---|---|---|
| LCP | 2.1 s | 2.4 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1300 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.