Facebook Login vs uLogin
Head-to-head usage across the sites we track.
Top sites by authority
Facebook Login · uLogin · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
64
0
Open Page Rank 8+
1,137
0
Open Page Rank 7+
4,414
0
Open Page Rank 6+
8,439
1
Open Page Rank 5+
14,695
4
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Facebook Login · uLogin · share of sites in each country using one or the other
United States
115,038
43
Japan
80,242
12
Brazil
50,577
14
India
40,025
24
United Kingdom
39,812
33
France
35,047
24
Italy
33,452
21
Germany
30,456
75
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Facebook Login | uLogin |
|---|---|---|
| LCP | 1.8 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Aug 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.
uLogin to Facebook Login
| Domain | When |
|---|---|
| w-o-s.ru | Jun 2026 |
| kdu.ru | Jun 2026 |
| editurastiinta.md | Jun 2026 |