Auth0 Lock vs NextAuth.js
Head-to-head usage across the sites we track.
Top sites by authority
Auth0 Lock · NextAuth.js · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
10
Open Page Rank 8+
27
118
Open Page Rank 7+
79
426
Open Page Rank 6+
117
784
Open Page Rank 5+
144
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
Auth0 Lock · NextAuth.js · share of sites in each country using one or the other
United States
726
5,751
India
439
4,605
Brazil
236
3,220
United Kingdom
393
2,848
Germany
250
2,792
Canada
415
2,295
France
236
2,438
Indonesia
199
2,370
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Auth0 Lock | NextAuth.js |
|---|---|---|
| LCP | 2.3 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.