{"certificate":{"v":1,"subject":"www.similarweb.com","certified":true,"report":"https://crawlcheck.io/r/vmc0wzs0ak","record":"vmc0wzs0ak","manifest":"65ab755af48bb29ee2ae14a49e1fa1492ef1b84d5a230a3a064879a51d65147d","measured_at":"2026-09-25T00:19:11.520Z","issued_at":"2026-09-29T21:34:49.651Z","expires_at":"2026-10-02T00:19:11.520Z","rule_pack":"sv26","criteria":[{"id":"fresh","ok":true},{"id":"current_rules","ok":true},{"id":"answered","ok":true},{"id":"crawlers_reach","ok":true},{"id":"no_serious","ok":true},{"id":"robots_sound","ok":true},{"id":"evidence","ok":true}]},"signature":{"alg":"Ed25519","kid":"hcIAczGf-8EFBnkunmZlvFWnD2nHHeHeC9cM4BTiBVo","message_prefix":"crawlcheck-certificate-v1\\n","signed":"prefix + canonical JSON of certificate (keys sorted, no whitespace)","sig":"RGwOthMrd5XrQL5I34Zwmhre0nBdvzWJ7CUx8BajUMlKuA2G7pHP84ywzEh1pljroZpRlkE0vNKIOD1TJKrNDg","key_directory":"https://crawlcheck.io/.well-known/http-message-signatures-directory"},"criteria":[{"id":"fresh","label":"Measured in the last 7 days","ok":true,"why":"measured 4.8 days ago"},{"id":"current_rules","label":"Scored under the current rule pack","ok":true,"why":"record sv26, current sv26"},{"id":"answered","label":"The site answered the scanner","ok":true,"why":"homepage answered"},{"id":"crawlers_reach","label":"Every crawler the site allows reached the page","ok":true,"why":"14 of 14 answered"},{"id":"no_serious","label":"No high or critical finding","ok":true,"why":"3 finding(s), none high or critical"},{"id":"robots_sound","label":"robots.txt is served and means what it says","ok":true,"why":"no robots.txt defect"},{"id":"evidence","label":"The evidence is kept and signed","ok":true,"why":"manifest 65ab755af48b… signed by hcIAczGf-8…"}],"page":"https://crawlcheck.io/certificate/www.similarweb.com","seal":"https://crawlcheck.io/certificate/www.similarweb.com.svg","history":{"since":null,"from":"2026-09-24","measurements":0,"days_tracked":0,"days_certified":0,"days_not_certified":0,"days_unmeasured":0,"streak_days":0,"recent":[]},"note":"a certificate states measured conformance on one day; it is free, never sold, never a grade, and says nothing about the business beyond what a crawler received"}