RSS vs SobiPro
Head-to-head usage across the sites we track.
Top sites by authority
RSS · SobiPro · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
179
0
Open Page Rank 8+
3,548
0
Open Page Rank 7+
16,334
0
Open Page Rank 6+
34,791
0
Open Page Rank 5+
68,200
1
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
RSS · SobiPro · share of sites in each country using one or the other
United States
887,410
6
India
336,391
1
Germany
333,621
10
Japan
319,148
1
United Kingdom
282,220
5
France
267,086
6
Brazil
265,509
36
Italy
258,995
4
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | RSS | SobiPro |
|---|---|---|
| LCP | 2.1 s | 2.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1100 ms | 1550 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
RSS to SobiPro
| Domain | When |
|---|---|
| ubaporanga.mg.gov.br | May 2026 |