Vitals vs Zipify Pages
Head-to-head usage across the sites we track.
Top sites by authority
Vitals · Zipify Pages · 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+
4
2
Open Page Rank 7+
8
4
Open Page Rank 6+
12
7
Open Page Rank 5+
33
18
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Vitals · Zipify Pages · share of sites in each country using one or the other
United States
3,310
1,247
United Kingdom
1,382
273
India
1,273
184
Canada
993
320
Australia
956
187
Germany
992
113
France
905
81
Spain
670
67
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Vitals | Zipify Pages |
|---|---|---|
| LCP | 1.6 s | 1.7 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Vitals to Zipify Pages
| Domain | When |
|---|---|
| casualcompany.ie | Jul 2026 |
| arabcollective.com | Nov 2025 |