AutoChangelog vs CDNJS
Same instrument, two spec sheets — measured, not claimed.
AutoChangelog vs CDNJS: common questions
Which is more reliable, AutoChangelog or CDNJS?
Both are neck-and-neck — AutoChangelog and CDNJS 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, AutoChangelog or CDNJS?
CDNJS has the lower median latency in our checks — AutoChangelog responds in 578 ms versus CDNJS at 281 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 AutoChangelog and CDNJS need an API key?
CDNJS needs no key, while AutoChangelog requires a free API key. If you want to start calling without signup, reach for CDNJS first.
Can I call AutoChangelog and CDNJS from the browser?
Only CDNJS is browser-friendly — it returns CORS headers over HTTPS. AutoChangelog needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are AutoChangelog and CDNJS free for commercial use?
AutoChangelog 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.