3 ms·Also, many browsers block third-party cookies by default, which may screw up your analytics.by amanfredi 16y agoAlso, many browsers block third-party cookies by default, which may screw up your analytics.wizard_2 16y agoMany browsers can, but few do. Firefox, chrome and IE don't by default.amanfredi 16y agoTrue. I misspoke about many, but you will still improve the accuracy of your analytics by doing this.