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Piloterr vs SEO Score

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

APIPiloterrHEALTHY91SEO ScoreHEALTHY91
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms635634
P95 · ms17301704
AuthapiKeyapiKey
CORSnono
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

Piloterr vs SEO Score: common questions

Which is more reliable, Piloterr or SEO Score?

Both are neck-and-neck — Piloterr and SEO Score each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Piloterr or SEO Score?

SEO Score has the lower median latency in our checks — Piloterr responds in 635 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 Piloterr and SEO Score need an API key?

Both ask you to authenticate — Piloterr 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 Piloterr and SEO Score from the browser?

Neither sends browser-friendly CORS headers reliably, so call Piloterr and SEO Score from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Piloterr and SEO Score free for commercial use?

Piloterr 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.