ddownload vs jsDelivr
Same instrument, two spec sheets — measured, not claimed.
ddownload vs jsDelivr: common questions
Which is more reliable, ddownload or jsDelivr?
Both are neck-and-neck — ddownload and jsDelivr each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, ddownload or jsDelivr?
jsDelivr has the lower median latency in our checks — ddownload responds in 365 ms versus jsDelivr at 181 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 ddownload and jsDelivr need an API key?
jsDelivr needs no key, while ddownload requires a free API key. If you want to start calling without signup, reach for jsDelivr first.
Can I call ddownload and jsDelivr from the browser?
Only jsDelivr is browser-friendly — it returns CORS headers over HTTPS. ddownload needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ddownload and jsDelivr free for commercial use?
ddownload has unclear commercial terms, and jsDelivr 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.