K2 vs Webpack
Head-to-head usage across the sites we track.
Top sites by authority
K2 · Webpack · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
196
Open Page Rank 8+
16
3,368
Open Page Rank 7+
41
13,768
Open Page Rank 6+
50
25,926
Open Page Rank 5+
87
43,405
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
K2 · Webpack · share of sites in each country using one or the other
United States
373
298,515
India
138
154,177
Germany
396
132,021
United Kingdom
184
123,342
France
194
109,944
Brazil
115
99,932
Canada
106
96,644
Netherlands
147
78,103
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | K2 | Webpack |
|---|---|---|
| LCP | 1.9 s | 2 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 700 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.