Auth0 vs Facebook Login
Head-to-head usage across the sites we track.
Top sites by authority
Auth0 · Facebook Login · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
60
Open Page Rank 8+
55
1,091
Open Page Rank 7+
149
4,237
Open Page Rank 6+
229
8,028
Open Page Rank 5+
302
13,913
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Auth0 · Facebook Login · share of sites in each country using one or the other
United States
1,955
108,921
Japan
562
76,103
Brazil
664
48,745
United Kingdom
1,061
39,088
India
1,153
38,767
France
722
34,350
Italy
625
33,431
Canada
1,026
30,180
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Auth0 | Facebook Login |
|---|---|---|
| LCP | 2.2 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, 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.