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+
3
26
Open Page Rank 8+
13
417
Open Page Rank 7+
31
1,316
Open Page Rank 6+
42
2,673
Open Page Rank 5+
54
5,436
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
150
80,589
Spain
90
43,010
Brazil
66
41,568
Japan
71
35,636
France
86
33,645
Italy
81
32,129
United Kingdom
129
29,199
Germany
99
27,743
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Kasada | Really Simple SSL & Security |
|---|---|---|
| LCP | 1.9 s | 2.4 s |
| INP | 200 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 700 ms | 1400 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.