productivityandgrit
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What's your use case?
Example: Amazon does not use a tracking cookie, however we can see clicks happening by analyzing our spider's backtrace to see if an Amazon click-tracking URL was fetched.
Has our spider seen your click-tracking cookie?
Example: A new ad platform wants to see which sites currently use Taboola. Additionally, you are able to see which websites have used Taboola in the past, but no longer do.
Locate anything by cookie or JavaScript object.
Example: A commerical forum vendor, vBulletin wants to know all the sites using vBulletin so they can compare it against their licensed customers.
Example: WebTrends wants to see all the domains that have the WebTrends analytics system installed and in-use.
Locate anything by cookie or JavaScript object.