Python vs XSLT
Head-to-head usage across the sites we track.
Top sites by authority
Python · XSLT · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
63
1
Open Page Rank 8+
810
3
Open Page Rank 7+
2,228
10
Open Page Rank 6+
3,569
27
Open Page Rank 5+
5,214
73
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Python · XSLT · share of sites in each country using one or the other
United States
24,352
39
India
22,541
30
Indonesia
17,283
9
Germany
14,576
1,232
France
12,205
37
Brazil
11,966
8
Spain
11,442
19
United Kingdom
10,983
21
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Python | XSLT |
|---|---|---|
| LCP | 2.1 s | 1.1 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 500 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.