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CDNJS vs eNanoMapper database

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

APICDNJSNEW—eNanoMapper databaseNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CDNJS vs eNanoMapper database: common questions

Which is more reliable, CDNJS or eNanoMapper database?

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

Neither needs a paid key — CDNJS is callable with no signup, and eNanoMapper database is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call CDNJS and eNanoMapper database from the browser?

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

Are CDNJS and eNanoMapper database free for commercial use?

CDNJS has unclear commercial terms, and eNanoMapper database 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.