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
195
Open Page Rank 8+
15
3,356
Open Page Rank 7+
35
13,640
Open Page Rank 6+
43
25,635
Open Page Rank 5+
76
43,016
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
309
278,336
India
120
147,200
Germany
319
119,952
United Kingdom
164
111,972
Brazil
102
95,582
France
154
95,292
Canada
92
86,422
Netherlands
131
69,064
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, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.