Image to Link vs serpstack
Same instrument, two spec sheets — measured, not claimed.
Image to Link vs serpstack: common questions
Which is more reliable, Image to Link or serpstack?
On our scheduled checks, Image to Link leads on measured uptime — Image to Link 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, Image to Link or serpstack?
Image to Link has the lower median latency in our checks — Image to Link responds in 281 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 Image to Link and serpstack need an API key?
Image to Link needs no key, while serpstack requires a free API key. If you want to start calling without signup, reach for Image to Link first.
Can I call Image to Link and serpstack from the browser?
Only Image to Link 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 Image to Link and serpstack free for commercial use?
Image to Link 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.