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CNAME Mapping Tips to Bypass Adblockers Easily | Mixpanel Community

CNAME Mapping Tips to Bypass Adblockers Easily

·Mar 17, 2025 12:38 PM·

Is there a way to do CNAME mapping to avoid adblockers? I'm aware of proxy setup, looking for much more easier option

2 comments

· Sorted by Oldest

kapa.ai
APP
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kapa.ai
APP
·
·
Yes, you can use a CNAME to help avoid adblockers with Mixpanel. According to the documentation, for hosted subdomains that don't allow cross-subdomain cookies, you can use a CNAME to change from [yourdomain.hostapp.com](http://yourdomain.hostapp.com) to [yourdomain.com](http://yourdomain.com) as an alternative to disabling cross-subdomain cookies.This is mentioned specifically in the JavaScript SDK documentation: Mixpanel SDKs: JavascriptHowever, while a CNAME can help in some cases, Mixpanel generally recommends setting up a proxy server as the more comprehensive solution for dealing with adblockers. The proxy approach is mentioned in multiple documents as the recommended way to reduce data loss from adblockers: Choosing the Right Method notes that with client-side tracking, "You may lose events for 30-50% of your users. You can resolve this by sending events through a proxy, but it requires a bit more effort."If you're looking for the easiest option, you might want to consider server-side tracking instead, which is completely immune to adblockers and provides more reliable data collection.
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