ScreenshotOne.com vs SEO Score

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms340634
P95 · ms8431704
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ScreenshotOne.com vs SEO Score: common questions

Which is more reliable, ScreenshotOne.com or SEO Score?

On our scheduled checks, SEO Score leads on measured uptime — ScreenshotOne.com at 99.02% versus SEO Score 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, ScreenshotOne.com or SEO Score?

ScreenshotOne.com has the lower median latency in our checks — ScreenshotOne.com responds in 340 ms versus SEO Score at 634 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 ScreenshotOne.com and SEO Score need an API key?

Both ask you to authenticate — ScreenshotOne.com uses an API key and SEO Score 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 ScreenshotOne.com and SEO Score from the browser?

Only ScreenshotOne.com is browser-friendly — it returns CORS headers over HTTPS. SEO Score needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ScreenshotOne.com and SEO Score free for commercial use?

ScreenshotOne.com has unclear commercial terms, and SEO Score 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.