Node.js vs WebAssembly
Head-to-head usage across the sites we track.
Top sites by authority
Node.js · WebAssembly · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
166
9
Open Page Rank 8+
2,779
24
Open Page Rank 7+
10,939
38
Open Page Rank 6+
20,494
64
Open Page Rank 5+
34,179
89
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Node.js · WebAssembly · share of sites in each country using one or the other
United States
209,464
427
India
130,321
279
Germany
86,344
244
Brazil
85,848
409
United Kingdom
84,833
270
France
68,813
220
Canada
66,201
234
Japan
61,829
182
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Node.js | WebAssembly |
|---|---|---|
| LCP | 2.1 s | 2.9 s |
| INP | 100 ms | 150 ms |
| CLS | 0 | 0.05 |
| TTFB | 700 ms | 600 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.