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eNanoMapper database vs SEO Score

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

APIeNanoMapper databaseNEW—SEO ScoreNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

eNanoMapper database vs SEO Score: common questions

Which is more reliable, eNanoMapper database or SEO Score?

On our scheduled checks, SEO Score leads on measured uptime — eNanoMapper database at —% versus SEO Score at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do eNanoMapper database and SEO Score need an API key?

eNanoMapper database needs no key, while SEO Score requires a free API key. If you want to start calling without signup, reach for eNanoMapper database first.

Can I call eNanoMapper database and SEO Score from the browser?

Neither sends browser-friendly CORS headers reliably, so call eNanoMapper database 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 eNanoMapper database and SEO Score free for commercial use?

eNanoMapper database 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.