Bold Bundles vs Vitals
Head-to-head usage across the sites we track.
Top sites by authority
Bold Bundles · Vitals · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
1
Open Page Rank 8+
1
3
Open Page Rank 7+
6
6
Open Page Rank 6+
14
12
Open Page Rank 5+
24
33
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Bold Bundles · Vitals · share of sites in each country using one or the other
United States
492
3,438
United Kingdom
176
1,472
India
120
1,367
Canada
171
1,032
Germany
71
1,063
Australia
141
968
France
60
978
Spain
52
715
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bold Bundles | Vitals |
|---|---|---|
| LCP | 1.6 s | 1.5 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 ms |
Median site's p75 values from the Chrome UX Report, Oct 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Bold Bundles to Vitals
| Domain | When |
|---|---|
| tonesbycocoa.com | Sep 2026 |