FontServer vs Google Font API
Head-to-head usage across the sites we track.
Top sites by authority
FontServer · Google Font API · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
190
Open Page Rank 8+
1
4,159
Open Page Rank 7+
1
21,677
Open Page Rank 6+
1
47,996
Open Page Rank 5+
1
93,642
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
FontServer · Google Font API · share of sites in each country using one or the other
United States
27
1,258,056
India
7
547,297
Brazil
3
434,650
Japan
1
421,467
United Kingdom
8
401,120
France
7
371,258
Italy
1
336,191
Spain
3
324,038
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | FontServer | Google Font API |
|---|---|---|
| LCP | 3 s | 2 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1650 ms | 900 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.