Bold Subscriptions vs Vitals
Head-to-head usage across the sites we track.
Top sites by authority
Bold Subscriptions · Vitals · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Bold Subscriptions · Vitals · share of sites in each country using one or the other
United States
1,222
3,333
United Kingdom
315
1,391
India
151
1,306
Canada
273
987
Australia
191
946
Germany
86
970
France
55
922
Spain
51
683
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bold Subscriptions | Vitals |
|---|---|---|
| LCP | 1.5 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, 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Vitals to Bold Subscriptions
| Domain | When |
|---|---|
| broreps.fr | Feb 2026 |