jsDelivr vs KeyCDN
Head-to-head usage across the sites we track.
Top sites by authority
jsDelivr · KeyCDN · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
140
0
Open Page Rank 8+
2,765
0
Open Page Rank 7+
12,217
0
Open Page Rank 6+
24,432
0
Open Page Rank 5+
43,500
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
jsDelivr · KeyCDN · share of sites in each country using one or the other
United States
330,297
69
India
186,084
62
Japan
180,369
45
United Kingdom
132,288
48
Brazil
115,315
38
France
110,947
52
Germany
98,865
51
Canada
97,618
47
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | jsDelivr | KeyCDN |
|---|---|---|
| LCP | 1.9 s | 1.9 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.