javascript - Are client side cookies accessible by all and are there cookies on the server side -


if have sitea writing cookie browser, can siteb write code access cookie or cookies hidden websites didn't create them ?

my answer yes, siteb can read document.cookie , if knows what's cookie name, can access it. right ?

regarding second questions, don't think there server side cookies other sessions. right?

cookies usable both server , client. cookies can read website domain creates them; can use sub-domains domains, url paths. cookies considered insecure if used client side, , should not used hold sensitive data if accessed client side. server can encrypt information , store in cookie long encryption done on safe manner on server. using cookies way of avoiding use of session server, , if not save sensitive data way store state in web application. although can more challenging other session mechanisms, work on both client , server.

advertising products double click use cookies track monitor user activity, how ads follow site site.

third-party , first-party cookies

cookies categorized third-party or first-party depending on whether associated domain of site user visits. note doesn’t change name or content of actual cookie. difference between third-party cookie , first-party cookie matter of domain browser pointed toward. exact same kind of cookie might sent in either scenario. https://support.google.com/adsense/answer/2839090


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