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Why Sealmetrics Is Not Blocked by AdBlockers

How Sealmetrics Bypasses AdBlockers

Most analytics platforms rely on third-party tracking domains, which are automatically flagged and blocked by AdBlockers. Sealmetrics avoids this completely by using a 1st-party tracking architecture that is treated as part of your own website.


How AdBlockers Work

AdBlockers typically block requests to well-known tracking domains such as:

  • google-analytics.com
  • facebook.net
  • doubleclick.net

When a pixel or script loads from a recognized third-party tracker, the AdBlocker intercepts and blocks it automatically.

This is why traditional analytics frequently lose 20–50% of traffic data.


Why Sealmetrics Is Not Blocked

Sealmetrics Uses 1st-Party Tracking

Instead of loading the pixel from a third-party domain, Sealmetrics works through your own domain, for example:

https://analytics.yourdomain.com/t.js

Because the request is served from a subdomain of your own site, AdBlockers treat it as a first-party asset and do not block it. No uBlock, AdBlock Plus, Brave Shields, or Safari ITP heuristic flags this traffic as third-party tracking.


Why This Matters

  • No data loss from ad-blocking users (typically 25–40% of tech-literate audiences).
  • Accurate attribution — cookieless, server-side attribution works without cookies or third-party domains.
  • GDPR-safe — first-party collection under legitimate interest does not require consent banners.
  • Future-proof — Safari ITP, Firefox ETP, and Chrome's Privacy Sandbox all exempt first-party hosts.

How to Configure 1st-Party Tracking

See the Tracker Installation guide and the CNAME setup to point a subdomain of your own site at the Sealmetrics pixel.

Once configured, Sealmetrics captures 100% of your traffic — including users behind AdBlockers, VPNs, and aggressive privacy extensions.