Arc vs jsDelivr
Head-to-head usage across the sites we track.
Top sites by authority
Arc · jsDelivr · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
138
Open Page Rank 8+
0
2,746
Open Page Rank 7+
0
12,092
Open Page Rank 6+
0
24,181
Open Page Rank 5+
0
43,075
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Arc · jsDelivr · share of sites in each country using one or the other
United States
67
293,314
India
61
166,171
Japan
41
157,713
United Kingdom
45
117,895
Brazil
48
104,295
France
43
93,259
Canada
38
85,249
Germany
43
84,644
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Arc | jsDelivr |
|---|---|---|
| LCP | 1.8 s | 1.8 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 700 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.