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OCR.Space vs SEO Score

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

APIOCR.SpaceREACHABLE—SEO ScoreNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

OCR.Space vs SEO Score: common questions

Which is more reliable, OCR.Space or SEO Score?

On our scheduled checks, SEO Score leads on measured uptime — OCR.Space 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 OCR.Space and SEO Score need an API key?

Both ask you to authenticate — OCR.Space 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 OCR.Space and SEO Score from the browser?

Only OCR.Space 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 OCR.Space and SEO Score free for commercial use?

OCR.Space 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.