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
9
Open Page Rank 8+
27
122
Open Page Rank 7+
83
428
Open Page Rank 6+
125
796
Open Page Rank 5+
154
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
Auth0 Lock · NextAuth.js · share of sites in each country using one or the other
United States
817
6,102
India
490
4,862
Brazil
260
3,411
United Kingdom
437
3,094
Germany
296
3,035
France
285
2,796
Canada
469
2,570
Indonesia
234
2,632
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 | 700 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.