jsDelivr vs Scrnify

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

jsDelivr vs Scrnify: common questions

Which is more reliable, jsDelivr or Scrnify?

On our scheduled checks, Scrnify leads on measured uptime — jsDelivr at —% versus Scrnify 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 jsDelivr and Scrnify need an API key?

jsDelivr needs no key, while Scrnify requires a free API key. If you want to start calling without signup, reach for jsDelivr first.

Can I call jsDelivr and Scrnify from the browser?

Only jsDelivr is browser-friendly — it returns CORS headers over HTTPS. Scrnify needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are jsDelivr and Scrnify free for commercial use?

jsDelivr has unclear commercial terms, and Scrnify 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.