NTLM vs Really Simple SSL & Security
Head-to-head usage across the sites we track.
Top sites by authority
NTLM · Really Simple SSL & Security · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
26
Open Page Rank 8+
0
417
Open Page Rank 7+
0
1,316
Open Page Rank 6+
0
2,673
Open Page Rank 5+
0
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
NTLM · Really Simple SSL & Security · share of sites in each country using one or the other
United States
0
80,589
Spain
0
43,010
Brazil
1
41,568
Japan
0
35,636
France
0
33,645
Italy
0
32,129
United Kingdom
0
29,199
Germany
0
27,743
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | NTLM | Really Simple SSL & Security |
|---|---|---|
| LCP | 1.6 s | 2.4 s |
| INP | 50 ms | 75 ms |
| CLS | 0.2 | 0 |
| TTFB | 200 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.