4 ms·They have access to details, they posted that userprefs.js was to blame.by Guvante 13y agoThey have access to details, they posted that userprefs.js was to blame.joekrill 13y agoBut wasn't that only after rasmus posted about it on Twitter? And how would that have worked out for someone not running such a high profile site as him?dchest 13y agoNo, such information is available to any webmaster who verifies their website ownership in Google's Webmaster Tools.