autoComplete.js vs core-js
Head-to-head usage across the sites we track.
Top sites by authority
autoComplete.js · core-js · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
242
Open Page Rank 8+
11
5,108
Open Page Rank 7+
22
26,213
Open Page Rank 6+
44
57,082
Open Page Rank 5+
65
109,074
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
autoComplete.js · core-js · share of sites in each country using one or the other
United States
180
1,479,835
India
94
495,926
United Kingdom
100
457,421
Germany
107
439,161
Brazil
81
420,075
France
142
369,824
Canada
84
341,001
Italy
89
336,371
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | autoComplete.js | core-js |
|---|---|---|
| LCP | 1.7 s | 2 s |
| INP | 75 ms | 75 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.