PWA vs Websocket
Head-to-head usage across the sites we track.
Top sites by authority
PWA · Websocket · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
205
1
Open Page Rank 8+
3,752
4
Open Page Rank 7+
16,716
11
Open Page Rank 6+
33,308
19
Open Page Rank 5+
58,343
27
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
PWA · Websocket · share of sites in each country using one or the other
United States
391,794
289
Germany
205,277
202
India
183,609
198
United Kingdom
168,139
189
Brazil
160,900
137
France
151,973
202
Italy
118,062
185
Canada
116,618
172
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PWA | Websocket |
|---|---|---|
| LCP | 1.9 s | 2.1 s |
| INP | 75 ms | 150 ms |
| CLS | 0 | 0.05 |
| TTFB | 700 ms | 800 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.