utterances vs Vuukle
Head-to-head usage across the sites we track.
Top sites by authority
utterances · Vuukle · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
0
Open Page Rank 8+
2
1
Open Page Rank 7+
5
4
Open Page Rank 6+
6
9
Open Page Rank 5+
7
16
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
utterances · Vuukle · share of sites in each country using one or the other
India
8
100
United States
9
98
United Kingdom
6
40
Canada
5
39
Australia
4
33
Germany
6
29
Philippines
6
29
France
8
26
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | utterances | Vuukle |
|---|---|---|
| LCP | 1.1 s | 3 s |
| INP | 25 ms | 125 ms |
| CLS | 0 | 0.05 |
| TTFB | 500 ms | 900 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.