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ItsThisForThat vs SiteIntel

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

APIItsThisForThatHEALTHY98SiteIntelHEALTHY84
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms2421005
P95 · ms5553849
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublished (docs ask you not to hammer it)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ItsThisForThat vs SiteIntel: common questions

Which is more reliable, ItsThisForThat or SiteIntel?

Both are neck-and-neck — ItsThisForThat and SiteIntel each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, ItsThisForThat or SiteIntel?

ItsThisForThat has the lower median latency in our checks — ItsThisForThat responds in 242 ms versus SiteIntel at 1005 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 ItsThisForThat and SiteIntel need an API key?

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

Can I call ItsThisForThat and SiteIntel from the browser?

Neither sends browser-friendly CORS headers reliably, so call ItsThisForThat and SiteIntel from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are ItsThisForThat and SiteIntel free for commercial use?

ItsThisForThat has unclear commercial terms, and SiteIntel 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.