Really Simple SSL & Security vs Sqreen
Head-to-head usage across the sites we track.
Top sites by authority
Really Simple SSL & Security · Sqreen · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
26
0
Open Page Rank 8+
417
0
Open Page Rank 7+
1,316
0
Open Page Rank 6+
2,673
0
Open Page Rank 5+
5,436
0
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 · Sqreen · share of sites in each country using one or the other
United States
80,589
204
Spain
43,010
95
Brazil
41,568
143
Japan
35,636
63
France
33,645
116
Italy
32,129
83
United Kingdom
29,199
118
Germany
27,743
101
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Really Simple SSL & Security | Sqreen |
|---|---|---|
| LCP | 2.4 s | 2 s |
| INP | 75 ms | 87 ms |
| CLS | 0 | 0 |
| TTFB | 1400 ms | 800 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.