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
12
Open Page Rank 8+
28
121
Open Page Rank 7+
79
431
Open Page Rank 6+
117
789
Open Page Rank 5+
144
1,235
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
731
5,871
India
435
4,673
Brazil
232
3,218
United Kingdom
401
2,934
Germany
254
2,801
Canada
415
2,328
France
244
2,469
Indonesia
201
2,391
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Auth0 Lock | NextAuth.js |
|---|---|---|
| LCP | 2.2 s | 2.2 s |
| INP | 100 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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.