Scrnify vs serpstack
Same instrument, two spec sheets — measured, not claimed.
Scrnify vs serpstack: common questions
Which is more reliable, Scrnify or serpstack?
On our scheduled checks, Scrnify leads on measured uptime — Scrnify at 100% versus serpstack at 99.02% 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, Scrnify or serpstack?
serpstack has the lower median latency in our checks — Scrnify responds in 927 ms versus serpstack at 492 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 Scrnify and serpstack need an API key?
Both ask you to authenticate — Scrnify uses an API key and serpstack 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 Scrnify and serpstack from the browser?
Neither sends browser-friendly CORS headers reliably, so call Scrnify and serpstack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Scrnify and serpstack free for commercial use?
Scrnify has unclear commercial terms, and serpstack 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.