Flask vs Microsoft ASP.NET
Head-to-head usage across the sites we track.
Top sites by authority
Flask · Microsoft ASP.NET · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Flask · Microsoft ASP.NET · share of sites in each country using one or the other
United States
275
194,655
India
251
79,916
United Kingdom
137
65,802
Italy
150
53,433
Canada
116
48,458
Türkiye
84
46,954
Germany
206
46,412
Brazil
168
43,630
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Flask | Microsoft ASP.NET |
|---|---|---|
| LCP | 1.8 s | 1.7 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Microsoft ASP.NET to Flask
| Domain | When |
|---|---|
| upal.edu | Apr 2026 |
| topmilanhotels.com | Nov 2025 |