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Browshot vs CDNJS

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

APIBrowshotNEW—CDNJSNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree and open, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Browshot vs CDNJS: common questions

Which is more reliable, Browshot or CDNJS?

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

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

Can I call Browshot and CDNJS from the browser?

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

Are Browshot and CDNJS free for commercial use?

Browshot has unclear commercial terms, and CDNJS 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.