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
322
222,085
India
260
92,489
United Kingdom
151
75,536
Italy
166
60,757
Canada
142
55,178
Türkiye
96
55,101
Germany
225
53,906
Brazil
183
48,864
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 | 800 ms | 700 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.
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 |