ELI vs SLA Uptime Calculator
Same instrument, two spec sheets — measured, not claimed.
ELI vs SLA Uptime Calculator: common questions
Which is more reliable, ELI or SLA Uptime Calculator?
On our scheduled checks, SLA Uptime Calculator leads on measured uptime — ELI at 99.02% versus SLA Uptime Calculator at 100% 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, ELI or SLA Uptime Calculator?
ELI has the lower median latency in our checks — ELI responds in 591 ms versus SLA Uptime Calculator at 1373 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 ELI and SLA Uptime Calculator need an API key?
SLA Uptime Calculator needs no key, while ELI requires a free API key. If you want to start calling without signup, reach for SLA Uptime Calculator first.
Can I call ELI and SLA Uptime Calculator from the browser?
Yes — both ELI and SLA Uptime Calculator send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are ELI and SLA Uptime Calculator free for commercial use?
ELI has unclear commercial terms, and SLA Uptime Calculator 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.