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+
110
9
Open Page Rank 8+
1,916
24
Open Page Rank 7+
6,825
38
Open Page Rank 6+
11,965
64
Open Page Rank 5+
19,256
89
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
208,026
427
United Kingdom
48,741
270
India
43,421
279
Canada
39,511
234
Germany
36,476
244
France
30,076
220
Australia
28,411
187
Brazil
26,804
409
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | TypeScript | WebAssembly |
|---|---|---|
| LCP | 1.9 s | 2.9 s |
| INP | 75 ms | 150 ms |
| CLS | 0 | 0.05 |
| TTFB | 500 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.
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 |