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+
124
0
Open Page Rank 7+
382
0
Open Page Rank 6+
669
0
Open Page Rank 5+
1,050
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
19,946
21
India
11,864
2
United Kingdom
10,716
2
Canada
9,934
4
Germany
8,787
0
Brazil
7,959
0
France
7,673
0
Netherlands
7,412
0
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Optimize | VisiOpt |
|---|---|---|
| LCP | 2.1 s | 2.5 s |
| INP | 100 ms | 100 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.