Incapsula vs jsDelivr
Head-to-head usage across the sites we track.
Top sites by authority
Incapsula · jsDelivr · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
139
Open Page Rank 8+
0
2,737
Open Page Rank 7+
0
11,985
Open Page Rank 6+
0
23,960
Open Page Rank 5+
0
42,643
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Incapsula · jsDelivr · share of sites in each country using one or the other
United States
1,792
293,314
India
930
166,171
Japan
521
157,713
United Kingdom
937
117,895
Brazil
635
104,295
France
695
93,259
Canada
909
85,249
Germany
703
84,644
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Incapsula | jsDelivr |
|---|---|---|
| LCP | 2 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Incapsula to jsDelivr
| Domain | When |
|---|---|
| rewards777.com | Jan 2026 |