npm Registry vs ScreenURL
Same instrument, two spec sheets — measured, not claimed.
npm Registry vs ScreenURL: common questions
Which is more reliable, npm Registry or ScreenURL?
On our scheduled checks, ScreenURL leads on measured uptime — npm Registry at —% versus ScreenURL at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do npm Registry and ScreenURL need an API key?
npm Registry needs no key, while ScreenURL requires a free API key. If you want to start calling without signup, reach for npm Registry first.
Can I call npm Registry and ScreenURL from the browser?
Only npm Registry is browser-friendly — it returns CORS headers over HTTPS. ScreenURL needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are npm Registry and ScreenURL free for commercial use?
npm Registry has unclear commercial terms, and ScreenURL 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.