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RubyGems vs SEO Score

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

APIRubyGemsHEALTHY94SEO ScoreHEALTHY91
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms311634
P95 · ms16391704
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

RubyGems vs SEO Score: common questions

Which is more reliable, RubyGems or SEO Score?

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

RubyGems has the lower median latency in our checks — RubyGems responds in 311 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 RubyGems and SEO Score need an API key?

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

Can I call RubyGems and SEO Score from the browser?

Only RubyGems 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 RubyGems and SEO Score free for commercial use?

RubyGems 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.