Clerk vs NextAuth.js
Head-to-head usage across the sites we track.
Top sites by authority
Clerk · NextAuth.js · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
10
Open Page Rank 8+
14
118
Open Page Rank 7+
71
426
Open Page Rank 6+
125
784
Open Page Rank 5+
203
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
Clerk · NextAuth.js · share of sites in each country using one or the other
United States
2,728
5,751
India
1,844
4,605
Brazil
778
3,220
United Kingdom
932
2,848
Germany
646
2,792
Canada
784
2,295
France
603
2,438
Indonesia
660
2,370
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Clerk | NextAuth.js |
|---|---|---|
| LCP | 2.5 s | 2.2 s |
| INP | 125 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Clerk to NextAuth.js
| Domain | When |
|---|---|
| bilt.me | Apr 2026 |
NextAuth.js to Clerk
| Domain | When |
|---|---|
| callforentry.org | Jul 2026 |
| cinch.my | May 2026 |