Google Optimize vs VisiOpt
Head-to-head usage across the sites we track.
Top sites by authority
Google Optimize · VisiOpt · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
18
0
Open Page Rank 8+
130
0
Open Page Rank 7+
409
0
Open Page Rank 6+
723
0
Open Page Rank 5+
1,146
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Google Optimize · VisiOpt · share of sites in each country using one or the other
United States
22,776
22
India
13,736
1
United Kingdom
12,439
3
Canada
11,536
5
Germany
10,140
0
France
9,450
0
Brazil
8,989
0
Netherlands
8,660
0
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Optimize | VisiOpt |
|---|---|---|
| LCP | 2.1 s | 3 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 800 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.