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DummyJSON vs SEO Score

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

APIDummyJSONHEALTHY98SEO ScoreHEALTHY91
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms32634
P95 · ms11131704
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree tier — API key required
Rate limit100 req/window · 99 remaining · resets 1783510243Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

DummyJSON vs SEO Score: common questions

Which is more reliable, DummyJSON or SEO Score?

On our scheduled checks, SEO Score leads on measured uptime — DummyJSON 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, DummyJSON or SEO Score?

DummyJSON has the lower median latency in our checks — DummyJSON responds in 32 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 DummyJSON and SEO Score need an API key?

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

Can I call DummyJSON and SEO Score from the browser?

Only DummyJSON 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 DummyJSON and SEO Score free for commercial use?

DummyJSON 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.