Auth0 Lock vs Facebook Login
Head-to-head usage across the sites we track.
Top sites by authority
Auth0 Lock · Facebook Login · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
65
Open Page Rank 8+
27
1,175
Open Page Rank 7+
83
4,610
Open Page Rank 6+
125
8,806
Open Page Rank 5+
154
15,365
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 · Facebook Login · share of sites in each country using one or the other
United States
817
130,630
Japan
225
92,821
Brazil
260
56,858
India
490
46,313
United Kingdom
437
46,044
France
285
42,093
Italy
230
38,753
Canada
469
35,702
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Auth0 Lock | Facebook Login |
|---|---|---|
| LCP | 2.3 s | 1.8 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 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.