OpenGrok vs RSS
Head-to-head usage across the sites we track.
Top sites by authority
OpenGrok · RSS · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
181
Open Page Rank 8+
0
3,566
Open Page Rank 7+
0
16,531
Open Page Rank 6+
0
35,345
Open Page Rank 5+
0
69,395
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
OpenGrok · RSS · share of sites in each country using one or the other
United States
1
1,004,186
India
1
387,591
Germany
1
374,574
Japan
1
368,498
United Kingdom
1
325,245
France
2
320,975
Italy
1
302,692
Brazil
1
292,059
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | OpenGrok | RSS |
|---|---|---|
| LCP | 0.7 s | 2.1 s |
| INP | 100 ms | 50 ms |
| CLS | 0.05 | 0 |
| TTFB | 200 ms | 1100 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.