

If you already have a Preview mode’s tab open, close it, and click the Preview button in the GTM interface once again.Click the Submit button in the top right corner of the GTM interface.If you see Container Not Published text, do the following thing: You can quickly identify if this applies to you by going to the Overview section of the GTM interface: If you have recently created a Google Tag Manager container and never published it, the Preview mode will not work. If you then try to open Chrome’s incognito mode (or another browser’s private mode), that will not work. When Preview and Debug mode is enabled, it opens a new tab/window with the website that you are going to debug. You can follow the method described in tip #2. So do not forget to double-check whether the container is right. The more Google Tag Manager accounts and containers you have, the bigger the chance you’ll eventually make this mistake. I have been there more than once, and it keeps getting more and more frustrating every time. #3. You Have Enabled GTM Preview and Debug Mode in the Wrong Container It must be added to the site exactly as you have copied it from the GTM interface. Tag Assistant will help you do that.Īlso, remember that you or your developers should not modify the GTM container snippet. Compare it with the one which is added to your website’s source code.Ĭompare it with the one which is added to your website’s source code. In order to verify, open your GTM account and check the upper right corner of the screen – see GTM container ID. Wrong or Incorrect Container Snippet Added to the WebsiteĪlthough this tip might sound silly, you should not ignore it. Click Ctrl + U (I guess it’s CMD +Option + U for Mac users?) in your browser and look for the GTM container code there. Google Analytics, Google Ads, Google Tag Manager) and provides real-time feedback. Use the Tag Assistant Chrome extension, which checks for Google pixels on the page (e.g.There are various ways to verify the GTM snippet implementation. Turns out the snippet was never published to the live version of your website – a developer made a gawky mistake and somehow failed to publish changes. Here’s an example: you asked a developer to follow Tag Manager’s instructions and add a container snippet to the website. After some time, he completes the task, but something’s not right here – Preview and Debug console still does not appear after you enable it. I’ll make sure to update the guide accordingly, thus more people will benefit from it. If you find a solution to your problem by yourself (and that solution is not mentioned in this article), please let me know in the comments. If you manage to solve the problem by yourself
