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Ad Block detection Analytics automatically detects whether the visitor is using ad-blocking software.

How it works

  1. The script tries to load an external script from;
  2. Adblocking software usually performs a check on the script‘s name and parameters to determine, whether this is script serves ads;
  3. If the external script is being blocked from loading, it means the visitor is using adblocking software.

The external script itself is completely harmless, it only contains one line of code:

 * Ad Block detection script
window.__wiry_ad_block__ = false;


If you see Failed to load resource: net::ERR_BLOCKED_BY_CLIENT in the console, everything is fine, it only means you‘re using adblocking software and the detection was successful.