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+
424
0
Open Page Rank 7+
1,350
0
Open Page Rank 6+
2,786
0
Open Page Rank 5+
5,696
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
83,739
211
Brazil
43,852
143
Spain
40,106
94
Japan
36,223
65
France
32,992
115
Italy
30,741
89
United Kingdom
29,953
116
Germany
28,990
106
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 | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1300 ms | 800 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.