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+
200
1
Open Page Rank 8+
3,769
5
Open Page Rank 7+
16,660
13
Open Page Rank 6+
33,166
22
Open Page Rank 5+
58,137
31
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
357,909
243
Germany
186,412
178
Brazil
178,007
116
India
172,788
166
United Kingdom
151,800
155
France
131,196
177
Italy
105,713
154
Canada
103,719
145
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PWA | Websocket |
|---|---|---|
| LCP | 1.9 s | 2.3 s |
| INP | 75 ms | 150 ms |
| CLS | 0 | 0.05 |
| TTFB | 700 ms | 900 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.