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
9
Open Page Rank 8+
12
122
Open Page Rank 7+
64
428
Open Page Rank 6+
107
796
Open Page Rank 5+
179
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
Clerk · NextAuth.js · share of sites in each country using one or the other
United States
2,504
6,102
India
1,753
4,862
Brazil
749
3,411
United Kingdom
938
3,094
Germany
652
3,035
France
614
2,796
Canada
779
2,570
Indonesia
653
2,632
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, 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.