express vs fastify
Estimated humans, week by week
- express
- fastify
- npm downloads (same color, dashed)
The 12-month chart is drawn in the browser from the npm API.
express vs fastify: which is more popular?
| package | npm / week | humans / week | inflation | confidence |
|---|---|---|---|---|
| express | 194,304,902 | 194,267,958–194,304,902 | less than 1% | high |
| fastify | 21,657,925 | 21,640,945–21,657,925 | less than 1% | high |
Snapshot from the daily build of Nov 3, 2026, last 7 days of npm data. With JavaScript on, this page recomputes it live with a 12-month chart.
By estimated real human installs, express is ahead of fastify by about 9.0×: about 194,295,837 vs 21,650,252 a week. npm's raw counts are 194,304,902 for express and 21,657,925 for fastify, which include mirrors, scanners and crawlers.
How the estimate works
- Cut the spike every new version gets from mirrors in its first days.
- Subtract the flat floor robots download from every version each week.
- Show what is left as a range, with an honest confidence level.