TypeScript vs WebAssembly
Head-to-head usage across the sites we track.
Top sites by authority
TypeScript · WebAssembly · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
108
7
Open Page Rank 8+
1,951
25
Open Page Rank 7+
6,917
40
Open Page Rank 6+
12,095
66
Open Page Rank 5+
19,513
91
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
TypeScript · WebAssembly · share of sites in each country using one or the other
United States
231,990
475
United Kingdom
55,626
313
India
48,311
309
Canada
44,823
272
Germany
41,037
273
France
35,776
266
Australia
32,125
217
Brazil
29,012
582
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | TypeScript | WebAssembly |
|---|---|---|
| LCP | 1.9 s | 3.3 s |
| INP | 75 ms | 175 ms |
| CLS | 0 | 0.05 |
| TTFB | 500 ms | 500 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.