RSS vs Websocket
Head-to-head usage across the sites we track.
Top sites by authority
RSS · Websocket · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
181
1
Open Page Rank 8+
3,566
4
Open Page Rank 7+
16,531
11
Open Page Rank 6+
35,345
19
Open Page Rank 5+
69,395
27
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
RSS · Websocket · share of sites in each country using one or the other
United States
1,004,186
289
India
387,591
198
Germany
374,574
202
Japan
368,498
133
United Kingdom
325,245
189
France
320,975
202
Italy
302,692
185
Brazil
292,059
137
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | RSS | Websocket |
|---|---|---|
| LCP | 2.1 s | 2.1 s |
| INP | 50 ms | 150 ms |
| CLS | 0 | 0.05 |
| TTFB | 1100 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
RSS to Websocket
| Domain | When |
|---|---|
| lecafedelecommerce.fr | Nov 2025 |