Smile vs Zinrelo
Head-to-head usage across the sites we track.
Top sites by authority
Smile · Zinrelo · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
1
Open Page Rank 8+
8
2
Open Page Rank 7+
21
3
Open Page Rank 6+
45
8
Open Page Rank 5+
123
9
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Smile · Zinrelo · share of sites in each country using one or the other
United States
12,888
153
United Kingdom
4,124
47
Canada
3,803
83
India
2,722
58
Australia
2,655
41
France
2,018
23
Germany
1,765
21
Spain
1,280
20
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Smile | Zinrelo |
|---|---|---|
| LCP | 1.4 s | 1.7 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 600 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.