Azure AD B2C vs NextAuth.js
Head-to-head usage across the sites we track.
Top sites by authority
Azure AD B2C · NextAuth.js · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
10
Open Page Rank 8+
0
118
Open Page Rank 7+
0
426
Open Page Rank 6+
0
784
Open Page Rank 5+
0
1,221
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Azure AD B2C · NextAuth.js · share of sites in each country using one or the other
United States
549
5,751
India
369
4,605
Brazil
203
3,220
United Kingdom
363
2,848
Germany
251
2,792
France
242
2,438
Canada
310
2,295
Indonesia
181
2,370
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Azure AD B2C | NextAuth.js |
|---|---|---|
| LCP | 2 s | 2.2 s |
| INP | 100 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 700 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.