Adoptium vs YADG

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

Uptime · 30d
Uptime · 90d100%2.9%
Uptime · 30d100%0.0%
P50 · ms4761308
P95 · ms12551359
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Adoptium vs YADG: common questions

Which is more reliable, Adoptium or YADG?

On our scheduled checks, Adoptium leads on measured uptime — Adoptium at 100% versus YADG at 2.9% 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, Adoptium or YADG?

Adoptium has the lower median latency in our checks — Adoptium responds in 476 ms versus YADG at 1308 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 Adoptium and YADG need an API key?

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

Can I call Adoptium and YADG from the browser?

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

Are Adoptium and YADG free for commercial use?

Adoptium has unclear commercial terms, and YADG 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.