7Timer! vs UK Carbon Intensity
Same instrument, two spec sheets — measured, not claimed.
7Timer! vs UK Carbon Intensity: common questions
Which is more reliable, 7Timer! or UK Carbon Intensity?
Both are neck-and-neck — 7Timer! and UK Carbon Intensity 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 UK Carbon Intensity?
7Timer! has the lower median latency in our checks — 7Timer! responds in 600 ms versus UK Carbon Intensity at 789 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 UK Carbon Intensity need an API key?
Neither needs a paid key — 7Timer! is callable with no signup, and UK Carbon Intensity is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call 7Timer! and UK Carbon Intensity from the browser?
Only UK Carbon Intensity is browser-friendly — it returns CORS headers over HTTPS. 7Timer! needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are 7Timer! and UK Carbon Intensity free for commercial use?
7Timer! has unclear commercial terms, and UK Carbon Intensity allows commercial use on its free tier. 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.