sIFR vs Typekit
Head-to-head usage across the sites we track.
Top sites by authority
sIFR · Typekit · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
72
Open Page Rank 8+
4
1,160
Open Page Rank 7+
8
4,508
Open Page Rank 6+
8
8,956
Open Page Rank 5+
12
16,379
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
sIFR · Typekit · share of sites in each country using one or the other
United States
123
234,811
United Kingdom
70
66,880
Canada
48
44,247
Australia
35
32,492
India
57
30,788
Germany
64
28,801
France
41
27,896
Netherlands
46
23,850
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | sIFR | Typekit |
|---|---|---|
| LCP | 1.5 s | 1.7 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 600 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.