serpstack vs Sheetsu
Same instrument, two spec sheets — measured, not claimed.
serpstack vs Sheetsu: common questions
Which is more reliable, serpstack or Sheetsu?
On our scheduled checks, Sheetsu leads on measured uptime — serpstack at 99.02% versus Sheetsu 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, serpstack or Sheetsu?
serpstack has the lower median latency in our checks — serpstack responds in 492 ms versus Sheetsu at 572 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 serpstack and Sheetsu need an API key?
Both ask you to authenticate — serpstack uses an API key and Sheetsu uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call serpstack and Sheetsu from the browser?
Only Sheetsu is browser-friendly — it returns CORS headers over HTTPS. serpstack needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are serpstack and Sheetsu free for commercial use?
serpstack has unclear commercial terms, and Sheetsu 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.