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+
104
9
Open Page Rank 8+
1,867
24
Open Page Rank 7+
6,598
40
Open Page Rank 6+
11,477
64
Open Page Rank 5+
18,041
86
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
103,748
419
India
38,898
278
Germany
32,372
235
United Kingdom
31,639
263
France
27,635
213
Canada
26,301
229
Brazil
25,400
403
Spain
24,091
195
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | TypeScript | WebAssembly |
|---|---|---|
| LCP | 2.1 s | 2.7 s |
| INP | 75 ms | 125 ms |
| CLS | 0 | 0.05 |
| TTFB | 700 ms | 600 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
WebAssembly to TypeScript
| Domain | When |
|---|---|
| smartmobilityyellow.com | Jun 2026 |
| sparkgps.app | Jun 2026 |