scrapestack vs SLA Uptime Calculator
Same instrument, two spec sheets — measured, not claimed.
scrapestack vs SLA Uptime Calculator: common questions
Which is more reliable, scrapestack or SLA Uptime Calculator?
Both are neck-and-neck — scrapestack and SLA Uptime Calculator 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, scrapestack or SLA Uptime Calculator?
scrapestack has the lower median latency in our checks — scrapestack responds in 346 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 scrapestack and SLA Uptime Calculator need an API key?
SLA Uptime Calculator needs no key, while scrapestack requires a free API key. If you want to start calling without signup, reach for SLA Uptime Calculator first.
Can I call scrapestack and SLA Uptime Calculator from the browser?
Only SLA Uptime Calculator is browser-friendly — it returns CORS headers over HTTPS. scrapestack needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are scrapestack and SLA Uptime Calculator free for commercial use?
scrapestack 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.