Apereo CAS vs Google Sign-in
Head-to-head usage across the sites we track.
Top sites by authority
Apereo CAS · Google Sign-in · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
58
Open Page Rank 8+
14
719
Open Page Rank 7+
48
2,350
Open Page Rank 6+
54
4,079
Open Page Rank 5+
64
6,328
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Apereo CAS · Google Sign-in · share of sites in each country using one or the other
United States
213
42,644
Brazil
91
38,463
India
155
32,272
United Kingdom
117
21,998
France
187
18,489
Germany
109
18,223
Indonesia
105
17,116
Canada
115
16,795
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Apereo CAS | Google Sign-in |
|---|---|---|
| LCP | 1.6 s | 2.3 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.