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
0
Open Page Rank 7+
5
3
Open Page Rank 6+
5
8
Open Page Rank 5+
6
14
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
United States
10
91
India
8
85
United Kingdom
6
35
Canada
5
33
Germany
6
28
Indonesia
9
22
France
5
23
Pakistan
5
23
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | utterances | Vuukle |
|---|---|---|
| LCP | 1.5 s | 2.8 s |
| INP | 25 ms | 125 ms |
| CLS | 0 | 0.1 |
| TTFB | 500 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.