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
12
Open Page Rank 8+
17
119
Open Page Rank 7+
77
424
Open Page Rank 6+
132
783
Open Page Rank 5+
218
1,225
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
2,962
5,871
India
1,955
4,673
Brazil
836
3,218
United Kingdom
1,020
2,934
Germany
678
2,801
Canada
851
2,328
France
638
2,469
Indonesia
710
2,391
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, 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.
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 |