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I have installed Google Tag Manager on my website, and am using it to load some Javascript onto my site. However, GTM is no longer loading, my Javascript isn't loading, and the error code is not very helpful.
Here is the GTM code on my website:
<!-- Google Tag Manager --> <noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-MFQ99J" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= '//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-MFQ99J');</script> <!-- End Google Tag Manager --> This is the code I am including in the GTM Tag:
<!-- Qualaroo for your website --> <!-- Paste this code right after the <body> tag on every page of your site. --> <script type="text/javascript"> var _kiq = _kiq || []; (function(){ setTimeout(function(){ var d = document, f = d.getElementsByTagName('script')[0], s = d.createElement('script'); s.type = 'text/javascript'; s.async = true; s.src = '//s3.amazonaws.com/ki.js/50553/aS-.js';f.parentNode.insertBefore(s, f); }, 1); })(); </script> When I look at the Chrome Javascript Console, I get the message:
(x) Failed to load resource http://www.googletagmanager.com/ns.html?id=GTM-MFQ99J And when I reload the page, I see:
(x) GET http://www.googletagmanager.com/ns.html?id=GTM-MFQ99J index.html:45 anonymous function index.html:45 anonymous function index.html:46 Going to these lines gets me these lines from my GTM code:
'//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-MFQ99J');</script> I've been googling like crazy to try to figure this out, but I'm out of my depth for a lot of this. The error message "anonymous function" seems to be especially hard to search for, even within GTM and other Google support documentation.
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Sometimes a tag is not firing where it should because of multiple triggers or multiple rules within a trigger. The Solution: As all tags fire as a result of trigger configurations, this is normally the best place to start when tags are not firing as intended. Start by double checking your trigger settings.
The data layer is an object used by Google Tag Manager and gtag. js to pass information to tags. Events or variables can be passed via the data layer, and triggers can be set up based on the values of variables.
Tag Manager is a tag management system that allows you to quickly and easily update tags on your website or mobile app from a web interface. gtag. js is the JavaScript framework that is used to add Google tags directly to web pages.
The current version of Google Tag Manager (version 4, or “Legacy”) for mobile apps will no longer be supported by Google as of March 2020. But, limitations on the functionality of GTM version 4 have already begun.
I noticed the same issue when you don't have any published tag, once you publish the version the JS will load successfully.
https://www.youtube.com/watch?v=KRvbFpeZ11Y#t=179
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