PyScript vs RSS
Head-to-head usage across the sites we track.
Top sites by authority
PyScript · 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
3,525
Open Page Rank 7+
0
16,163
Open Page Rank 6+
0
34,380
Open Page Rank 5+
0
67,346
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
PyScript · RSS · share of sites in each country using one or the other
United States
5
865,432
India
2
329,297
Germany
1
327,527
Japan
3
314,790
United Kingdom
1
281,660
Italy
1
272,529
France
1
271,657
Brazil
1
255,443
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PyScript | RSS |
|---|---|---|
| LCP | 1.5 s | 2.1 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 1100 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.