Open the URL where you want to check the code's implementation.
Right-click on the page and click on "Inspect".
Click on the "Network" tab:
In the search bar, input "wisepops" and refresh the page.
If your code is well implemented, you should see a line that starts with "get-loader.js" and a second line with "my-wisepop".
If the "get-loader" line appears in red, it means that your code is inactive:
It could be because:
your trial is over
your subscription has been cancelled
the website has been deactivated in your settings