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Fake JSON API vs SEO Score

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

APIFake JSON APIHEALTHY88SEO ScoreHEALTHY91
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms865634
P95 · ms20061704
AuthnoneapiKey
CORSyesno
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

Fake JSON API vs SEO Score: common questions

Which is more reliable, Fake JSON API or SEO Score?

On our scheduled checks, SEO Score leads on measured uptime — Fake JSON API 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, Fake JSON API or SEO Score?

SEO Score has the lower median latency in our checks — Fake JSON API responds in 865 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 Fake JSON API and SEO Score need an API key?

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

Can I call Fake JSON API and SEO Score from the browser?

Only Fake JSON API 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 Fake JSON API and SEO Score free for commercial use?

Fake JSON API 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.