npm Registry vs Scrapfly
Same instrument, two spec sheets — measured, not claimed.
npm Registry vs Scrapfly: common questions
Which is more reliable, npm Registry or Scrapfly?
On our scheduled checks, npm Registry leads on measured uptime — npm Registry at 100% versus Scrapfly at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, npm Registry or Scrapfly?
npm Registry has the lower median latency in our checks — npm Registry responds in 243 ms versus Scrapfly at 1015 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do npm Registry and Scrapfly need an API key?
npm Registry needs no key, while Scrapfly requires a free API key. If you want to start calling without signup, reach for npm Registry first.
Can I call npm Registry and Scrapfly from the browser?
Only npm Registry is browser-friendly — it returns CORS headers over HTTPS. Scrapfly needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are npm Registry and Scrapfly free for commercial use?
npm Registry has unclear commercial terms, and Scrapfly has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.