Acquire Cobrowse vs RSS
Head-to-head usage across the sites we track.
Top sites by authority
Acquire Cobrowse · RSS · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
179
Open Page Rank 8+
0
3,548
Open Page Rank 7+
2
16,334
Open Page Rank 6+
2
34,791
Open Page Rank 5+
2
68,200
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Acquire Cobrowse · RSS · share of sites in each country using one or the other
United States
8
887,410
India
6
336,391
Germany
167
333,621
Japan
3
319,148
United Kingdom
3
282,220
France
5
267,086
Brazil
3
265,509
Italy
4
258,995
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Acquire Cobrowse | RSS |
|---|---|---|
| LCP | 1.7 s | 2.1 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1100 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.