Kasada vs Really Simple SSL & Security
Head-to-head usage across the sites we track.
Top sites by authority
Kasada · Really Simple SSL & Security · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
26
Open Page Rank 8+
11
424
Open Page Rank 7+
28
1,350
Open Page Rank 6+
39
2,786
Open Page Rank 5+
45
5,696
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Kasada · Really Simple SSL & Security · share of sites in each country using one or the other
United States
148
83,739
Brazil
64
43,852
Spain
82
40,106
Japan
71
36,223
France
92
32,992
Italy
87
30,741
United Kingdom
110
29,953
Germany
96
28,990
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Kasada | Really Simple SSL & Security |
|---|---|---|
| LCP | 1.8 s | 2.4 s |
| INP | 175 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 600 ms | 1300 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.