Fontify vs Vitals
Head-to-head usage across the sites we track.
Top sites by authority
Fontify · Vitals · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
1
Open Page Rank 8+
0
3
Open Page Rank 7+
0
6
Open Page Rank 6+
0
12
Open Page Rank 5+
0
33
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Fontify · Vitals · share of sites in each country using one or the other
United States
76
3,333
United Kingdom
43
1,391
India
26
1,306
Canada
28
987
Germany
28
970
Australia
25
946
France
26
922
Spain
24
683
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Fontify | Vitals |
|---|---|---|
| LCP | 1.5 s | 1.5 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 400 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.