Apple Sign-in vs Clerk
Head-to-head usage across the sites we track.
Top sites by authority
Apple Sign-in · Clerk · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
17
2
Open Page Rank 8+
172
12
Open Page Rank 7+
492
64
Open Page Rank 6+
850
107
Open Page Rank 5+
1,261
179
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Apple Sign-in · Clerk · share of sites in each country using one or the other
United States
6,744
2,504
India
3,475
1,753
United Kingdom
3,492
938
Canada
3,230
779
Germany
3,001
652
France
2,775
614
Spain
2,587
529
Brazil
2,263
749
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Apple Sign-in | Clerk |
|---|---|---|
| LCP | 2.3 s | 2.5 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Apple Sign-in to Clerk
| Domain | When |
|---|---|
| shopos.ai | Mar 2026 |
Clerk to Apple Sign-in
| Domain | When |
|---|---|
| lobechat.com | Jan 2026 |