Keybase vs Really Simple SSL & Security
Head-to-head usage across the sites we track.
Top sites by authority
Keybase · Really Simple SSL & Security · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
27
Open Page Rank 8+
29
437
Open Page Rank 7+
98
1,413
Open Page Rank 6+
169
2,929
Open Page Rank 5+
281
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
Keybase · Really Simple SSL & Security · share of sites in each country using one or the other
United States
705
97,418
Brazil
250
48,788
Spain
186
47,706
Japan
276
42,353
France
242
40,734
Italy
200
36,640
United Kingdom
318
35,181
Germany
301
32,992
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Keybase | Really Simple SSL & Security |
|---|---|---|
| LCP | 1.7 s | 2.4 s |
| INP | 50 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 700 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.