Really Simple SSL & Security vs SPNEGO
Head-to-head usage across the sites we track.
Top sites by authority
Really Simple SSL & Security · SPNEGO · 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 · SPNEGO · share of sites in each country using one or the other
United States
83,739
0
Brazil
43,852
1
Spain
40,106
0
Japan
36,223
0
France
32,992
0
Italy
30,741
0
United Kingdom
29,953
0
Germany
28,990
0
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Really Simple SSL & Security | SPNEGO |
|---|---|---|
| LCP | 2.4 s | 1.3 s |
| INP | 75 ms | 87 ms |
| CLS | 0 | 0.18 |
| TTFB | 1300 ms | 350 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.