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+
206
1
Open Page Rank 8+
3,753
5
Open Page Rank 7+
16,560
12
Open Page Rank 6+
32,917
20
Open Page Rank 5+
57,694
28
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
358,243
233
Germany
185,405
164
Brazil
181,749
113
India
176,225
168
United Kingdom
153,237
141
France
135,069
166
Italy
108,633
148
Canada
104,982
137
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PWA | Websocket |
|---|---|---|
| LCP | 1.9 s | 2.2 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, 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.