PHP vs WebAssembly
Head-to-head usage across the sites we track.
Top sites by authority
PHP · WebAssembly · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
173
9
Open Page Rank 8+
3,962
24
Open Page Rank 7+
22,035
38
Open Page Rank 6+
52,225
64
Open Page Rank 5+
109,076
89
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
PHP · WebAssembly · share of sites in each country using one or the other
United States
1,176,001
427
Germany
564,892
244
Japan
539,934
182
India
498,312
279
France
428,725
220
United Kingdom
420,015
270
Brazil
386,483
409
Italy
377,317
187
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PHP | WebAssembly |
|---|---|---|
| LCP | 2 s | 2.9 s |
| INP | 75 ms | 150 ms |
| CLS | 0 | 0.05 |
| TTFB | 1000 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.