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
9
Open Page Rank 8+
0
122
Open Page Rank 7+
0
428
Open Page Rank 6+
0
796
Open Page Rank 5+
0
1,238
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
615
6,102
India
397
4,862
Brazil
219
3,411
United Kingdom
414
3,094
Germany
277
3,035
France
295
2,796
Canada
351
2,570
Indonesia
214
2,632
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 | 75 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 700 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.