core-js vs DHTMLX
Head-to-head usage across the sites we track.
Top sites by authority
core-js · DHTMLX · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
242
1
Open Page Rank 8+
5,108
16
Open Page Rank 7+
26,213
44
Open Page Rank 6+
57,082
57
Open Page Rank 5+
109,074
77
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
core-js · DHTMLX · share of sites in each country using one or the other
United States
1,479,835
354
India
495,926
303
United Kingdom
457,421
128
Germany
439,161
137
Brazil
420,075
138
France
369,824
130
Canada
341,001
136
Italy
336,371
179
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | core-js | DHTMLX |
|---|---|---|
| LCP | 2 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 600 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.