7Timer! vs Website Carbon
Same instrument, two spec sheets — measured, not claimed.
7Timer! vs Website Carbon: common questions
Which is more reliable, 7Timer! or Website Carbon?
Both are neck-and-neck — 7Timer! and Website Carbon 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, 7Timer! or Website Carbon?
Website Carbon has the lower median latency in our checks — 7Timer! responds in 600 ms versus Website Carbon at 38 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 7Timer! and Website Carbon need an API key?
Neither needs a paid key — 7Timer! is callable with no signup, and Website Carbon is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call 7Timer! and Website Carbon from the browser?
Neither sends browser-friendly CORS headers reliably, so call 7Timer! and Website Carbon from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are 7Timer! and Website Carbon free for commercial use?
7Timer! has unclear commercial terms, and Website Carbon 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.