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+
7
2
Open Page Rank 7+
22
3
Open Page Rank 6+
45
7
Open Page Rank 5+
119
10
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
14,279
183
United Kingdom
4,501
54
Canada
4,287
104
India
3,159
72
Australia
3,007
45
France
2,256
30
Germany
1,878
28
Mexico
1,330
42
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Smile | Zinrelo |
|---|---|---|
| LCP | 1.5 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 600 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.