PurgoMalum vs serpstack
Same instrument, two spec sheets — measured, not claimed.
PurgoMalum vs serpstack: common questions
Which is more reliable, PurgoMalum or serpstack?
On our scheduled checks, serpstack leads on measured uptime — PurgoMalum at 86.3% 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, PurgoMalum or serpstack?
PurgoMalum has the lower median latency in our checks — PurgoMalum responds in 423 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 PurgoMalum and serpstack need an API key?
PurgoMalum needs no key, while serpstack requires a free API key. If you want to start calling without signup, reach for PurgoMalum first.
Can I call PurgoMalum and serpstack from the browser?
Only PurgoMalum 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 PurgoMalum and serpstack free for commercial use?
PurgoMalum 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.