CDNJS vs UrlBae

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

Uptime · 30d
Uptime · 90d100%1.0%
Uptime · 30d100%0.0%
P50 · ms2811158
P95 · ms9361158
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CDNJS vs UrlBae: common questions

Which is more reliable, CDNJS or UrlBae?

On our scheduled checks, CDNJS leads on measured uptime — CDNJS at 100% versus UrlBae at 1.0% 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, CDNJS or UrlBae?

CDNJS has the lower median latency in our checks — CDNJS responds in 281 ms versus UrlBae at 1158 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 CDNJS and UrlBae need an API key?

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

Can I call CDNJS and UrlBae from the browser?

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

Are CDNJS and UrlBae free for commercial use?

CDNJS has unclear commercial terms, and UrlBae 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.