Borderfree vs Flow
Head-to-head usage across the sites we track.
Top sites by authority
Borderfree · Flow · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
0
Open Page Rank 8+
1
0
Open Page Rank 7+
2
0
Open Page Rank 6+
2
1
Open Page Rank 5+
3
1
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Borderfree · Flow · share of sites in each country using one or the other
United States
30
155
Canada
27
68
United Kingdom
24
71
India
26
65
Germany
17
57
France
20
51
Australia
20
50
Netherlands
16
50
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Borderfree | Flow |
|---|---|---|
| LCP | 1.8 s | 1.9 s |
| INP | 150 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 800 ms | 900 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.