{"id":10057,"date":"2024-10-16T23:23:15","date_gmt":"2024-10-16T23:23:15","guid":{"rendered":"https:\/\/ceowebltd.com\/blog\/?p=10057"},"modified":"2024-10-16T23:23:15","modified_gmt":"2024-10-16T23:23:15","slug":"how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode","status":"publish","type":"post","link":"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/","title":{"rendered":"How to debug and troubleshoot tags with Google Tag Manager\u2019s preview mode"},"content":{"rendered":"<p>Debugging and troubleshooting tags in Google Tag Manager (GTM) is crucial for ensuring that your tracking setup works as intended. GTM\u2019s preview mode provides a powerful environment for testing and verifying your tags, triggers, and variables before deploying them on your live site. Here\u2019s a comprehensive guide on how to use GTM\u2019s preview mode effectively.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#1_Accessing_Google_Tag_Manager\" title=\"1. Accessing Google Tag Manager\">1. Accessing Google Tag Manager<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_1_Log_In_to_GTM\" title=\"Step 1: Log In to GTM\">Step 1: Log In to GTM<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#2_Entering_Preview_Mode\" title=\"2. Entering Preview Mode\">2. Entering Preview Mode<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_1_Activate_Preview_Mode\" title=\"Step 1: Activate Preview Mode\">Step 1: Activate Preview Mode<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_2_Open_Your_Website\" title=\"Step 2: Open Your Website\">Step 2: Open Your Website<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#3_Understanding_the_Debug_Console\" title=\"3. Understanding the Debug Console\">3. Understanding the Debug Console<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#4_Testing_Tags_and_Triggers\" title=\"4. Testing Tags and Triggers\">4. Testing Tags and Triggers<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_1_Navigate_Through_Your_Website\" title=\"Step 1: Navigate Through Your Website\">Step 1: Navigate Through Your Website<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_2_Check_Tag_Firing_Status\" title=\"Step 2: Check Tag Firing Status\">Step 2: Check Tag Firing Status<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#5_Debugging_Common_Issues\" title=\"5. Debugging Common Issues\">5. Debugging Common Issues<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_1_Identify_Firing_Conditions\" title=\"Step 1: Identify Firing Conditions\">Step 1: Identify Firing Conditions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_2_Check_Variables\" title=\"Step 2: Check Variables\">Step 2: Check Variables<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_3_Examine_the_Data_Layer\" title=\"Step 3: Examine the Data Layer\">Step 3: Examine the Data Layer<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#6_Making_Changes_and_Retesting\" title=\"6. Making Changes and Retesting\">6. Making Changes and Retesting<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_1_Edit_Tags_and_Triggers\" title=\"Step 1: Edit Tags and Triggers\">Step 1: Edit Tags and Triggers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_2_Re-enter_Preview_Mode\" title=\"Step 2: Re-enter Preview Mode\">Step 2: Re-enter Preview Mode<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#7_Using_the_Network_Tab_for_Advanced_Debugging\" title=\"7. Using the Network Tab for Advanced Debugging\">7. Using the Network Tab for Advanced Debugging<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_1_Open_Developer_Tools\" title=\"Step 1: Open Developer Tools\">Step 1: Open Developer Tools<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_2_Filter_Requests\" title=\"Step 2: Filter Requests\">Step 2: Filter Requests<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#8_Debugging_Server-Side_Tags_if_applicable\" title=\"8. Debugging Server-Side Tags (if applicable)\">8. Debugging Server-Side Tags (if applicable)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_1_Monitor_Server-Side_Container\" title=\"Step 1: Monitor Server-Side Container\">Step 1: Monitor Server-Side Container<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#9_Finalizing_Changes\" title=\"9. Finalizing Changes\">9. Finalizing Changes<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Step_1_Publish_Your_Container\" title=\"Step 1: Publish Your Container\">Step 1: Publish Your Container<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#10_Best_Practices_for_Debugging_with_GTM\" title=\"10. Best Practices for Debugging with GTM\">10. Best Practices for Debugging with GTM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/ceowebltd.com\/blog\/how-to-debug-and-troubleshoot-tags-with-google-tag-managers-preview-mode\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"1_Accessing_Google_Tag_Manager\"><\/span>1. Accessing Google Tag Manager<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"Step_1_Log_In_to_GTM\"><\/span>Step 1: Log In to GTM<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Visit the <a href=\"https:\/\/tagmanager.google.com\/\" target=\"_new\" rel=\"noopener\">Google Tag Manager website<\/a>.<\/li>\n<li>Log in with your Google account.<\/li>\n<li>Select the appropriate GTM account and container associated with your website.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_Entering_Preview_Mode\"><\/span>2. Entering Preview Mode<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"Step_1_Activate_Preview_Mode\"><\/span>Step 1: Activate Preview Mode<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>In the top right corner of the GTM interface, click the \u201cPreview\u201d button.<\/li>\n<li>A dialog box will appear, prompting you to enter the URL of the website you want to test.<\/li>\n<li>Enter the URL and click \u201cStart.\u201d<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Step_2_Open_Your_Website\"><\/span>Step 2: Open Your Website<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>After starting preview mode, a new tab will open with your website and a GTM debug console at the bottom of the screen.<\/li>\n<li>The console displays information about the tags, triggers, and variables firing on the page.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3_Understanding_the_Debug_Console\"><\/span>3. Understanding the Debug Console<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The GTM debug console provides essential information for debugging your tags and tracking setup:<\/p>\n<ul>\n<li><strong>Summary Tab:<\/strong> Displays the list of tags that fired or didn\u2019t fire during the page load.<\/li>\n<li><strong>Tags Tab:<\/strong> Shows details about each tag, including its firing status, errors, and related triggers.<\/li>\n<li><strong>Variables Tab:<\/strong> Displays the values of all variables at the time of tag execution, helping you understand what data is being captured.<\/li>\n<li><strong>Data Layer Tab:<\/strong> Shows the data layer&#8217;s content, providing insight into how data is structured and what information is available for tracking.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"4_Testing_Tags_and_Triggers\"><\/span>4. Testing Tags and Triggers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"Step_1_Navigate_Through_Your_Website\"><\/span>Step 1: Navigate Through Your Website<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>While in preview mode, navigate through your website to simulate user interactions (e.g., clicking links, submitting forms).<\/li>\n<li>Watch the debug console update in real time as you interact with the site.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Step_2_Check_Tag_Firing_Status\"><\/span>Step 2: Check Tag Firing Status<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>In the debug console, look at the \u201cTags\u201d tab to see which tags fired and which did not.<\/li>\n<li>Click on any tag to view detailed information, including:\n<ul>\n<li>Firing status (e.g., \u201cFired,\u201d \u201cNot Fired\u201d).<\/li>\n<li>Triggers associated with the tag.<\/li>\n<li>Errors or warnings, if any.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"5_Debugging_Common_Issues\"><\/span>5. Debugging Common Issues<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"Step_1_Identify_Firing_Conditions\"><\/span>Step 1: Identify Firing Conditions<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>If a tag did not fire, check the trigger conditions for that tag.<\/li>\n<li>Ensure that the triggers are set up correctly and that the conditions for firing the tag are met during your testing.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Step_2_Check_Variables\"><\/span>Step 2: Check Variables<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Review the \u201cVariables\u201d tab to verify that the variables used in your triggers and tags are capturing the expected values.<\/li>\n<li>If a variable is not returning the correct value, revisit its configuration to ensure it is set up correctly.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Step_3_Examine_the_Data_Layer\"><\/span>Step 3: Examine the Data Layer<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Use the \u201cData Layer\u201d tab to inspect the data layer&#8217;s content. Ensure that the expected data is available and formatted correctly.<\/li>\n<li>If necessary, update your website&#8217;s code to push the correct data to the data layer.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"6_Making_Changes_and_Retesting\"><\/span>6. Making Changes and Retesting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"Step_1_Edit_Tags_and_Triggers\"><\/span>Step 1: Edit Tags and Triggers<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>If you identify issues, return to the GTM interface to edit your tags, triggers, or variables.<\/li>\n<li>Adjust the settings as needed to address any problems.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Step_2_Re-enter_Preview_Mode\"><\/span>Step 2: Re-enter Preview Mode<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>After making changes, click the \u201cPreview\u201d button again to re-enter preview mode and test the updates.<\/li>\n<li>Verify that the changes work as expected by navigating through your website again.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"7_Using_the_Network_Tab_for_Advanced_Debugging\"><\/span>7. Using the Network Tab for Advanced Debugging<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>For more advanced debugging, you can use the browser\u2019s Developer Tools, specifically the Network tab.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Step_1_Open_Developer_Tools\"><\/span>Step 1: Open Developer Tools<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Right-click on your webpage and select \u201cInspect\u201d or press <code>F12<\/code> to open Developer Tools.<\/li>\n<li>Click on the \u201cNetwork\u201d tab.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Step_2_Filter_Requests\"><\/span>Step 2: Filter Requests<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Use the filter to look for requests related to Google Analytics or other third-party tools.<\/li>\n<li>This allows you to see if the requests are being sent and if they contain the correct data.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"8_Debugging_Server-Side_Tags_if_applicable\"><\/span>8. Debugging Server-Side Tags (if applicable)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If you&#8217;re using server-side tagging, the debugging process is slightly different.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Step_1_Monitor_Server-Side_Container\"><\/span>Step 1: Monitor Server-Side Container<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>In your server-side GTM environment, monitor the incoming requests to ensure data is received from your client-side tags.<\/li>\n<li>Check for any errors or issues in the server logs.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"9_Finalizing_Changes\"><\/span>9. Finalizing Changes<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Once you are satisfied with your debugging process:<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Step_1_Publish_Your_Container\"><\/span>Step 1: Publish Your Container<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>After confirming that all tags, triggers, and variables are working correctly, return to the GTM interface.<\/li>\n<li>Click on the \u201cSubmit\u201d button in the upper right corner.<\/li>\n<li>Provide a version name and description, then publish your changes.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"10_Best_Practices_for_Debugging_with_GTM\"><\/span>10. Best Practices for Debugging with GTM<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Test Frequently:<\/strong> Regularly test your tags and triggers after making changes to ensure everything is functioning as intended.<\/li>\n<li><strong>Use Clear Naming Conventions:<\/strong> Name your tags, triggers, and variables clearly to make it easier to identify their purposes during debugging.<\/li>\n<li><strong>Document Changes:<\/strong> Keep track of any changes made to your tags and triggers to help with troubleshooting in the future.<\/li>\n<li><strong>Collaborate with Developers:<\/strong> If you&#8217;re facing issues related to the data layer or custom variables, work closely with your development team to ensure proper implementation.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Debugging and troubleshooting tags using Google Tag Manager\u2019s preview mode is essential for effective tracking and analytics implementation. By following the steps outlined above, you can efficiently test and verify your tags, ensuring they work as intended before deploying them on your live site. With practice and attention to detail, GTM can significantly enhance your tracking capabilities and overall marketing effectiveness.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Debugging and troubleshooting tags in Google Tag Manager (GTM) is crucial for ensuring that your tracking setup works as intended. GTM\u2019s preview mode provides a&#8230;<\/p>\n","protected":false},"author":214,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-10057","post","type-post","status-publish","format-standard","hentry","category-digital-marketing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to debug and troubleshoot tags with Google Tag Manager\u2019s preview mode - CEOweb Ltd. 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