Flow vs With Reach
Head-to-head usage across the sites we track.
Top sites by authority
Flow · With Reach · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 6+
1
0
Open Page Rank 5+
1
1
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Flow · With Reach · share of sites in each country using one or the other
United States
185
24
United Kingdom
76
24
India
74
18
Canada
76
14
Germany
66
13
France
63
13
Italy
62
11
Netherlands
57
9
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Flow | With Reach |
|---|---|---|
| LCP | 2 s | 1.9 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 650 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.