Using the "Elements" Tab (Check Code Presence)
This method searches the HTML for the tracking code snippet.
- Open DevTools: Right-click anywhere on the page and select Inspect (or Ctrl+Shift+I on Windows, Cmd+Option+I on Mac).
- Search the Code: Click inside the Elements panel, then press Ctrl+F (Windows) or Cmd+F (Mac) to open the search bar.
- Search for Keywords: Type one of the following, depending on the tool:
- GA4: G- (followed by your measurement ID) or gtag.
- Google Tag Manager: gtm.js or GTM-.
- Universal Analytics: UA-.
- Meta Pixel: fbq.
- If the code exists, it will be highlighted in the HTML structure.
Using the Modern Tag Assistant Extension
This is the recommended approach for modern web-based debugging.
- Install the Extension: Ensure you have the Tag Assistant extension installed in Chrome.
- Activate Troubleshooting:
- Click the extension icon in your browser toolbar and select "Troubleshoot tag".
- This will open tagassistant.google.com. Enter your website URL and click "Connect".
- Perform the Conversion: Your site will open in a new tab with a "Debugger Connected" badge. Go through the steps on your site to complete the conversion (e.g., fill out a form or make a purchase).
- Verify the Fire: Return to the Tag Assistant tab. On the left sidebar, click the event that represents your conversion (like a "Thank You" page load or button click).
- Under "Tags Fired", look for your Google Ads Conversion Tracking tag.
- Click the tag to see technical details like the Conversion ID and Label to ensure they match your Google Ads account.
Using Tag Assistant Legacy
- Enable the Tag: Click the Tag Assistant Legacy icon and click "Enable", then refresh your webpage.
- Check Icon Color: Look at the icon color to see the status of the tags found on the page:
- 🟢 Green: Tag is working perfectly.
- 🔵 Blue: Tag is working but has minor suggestions (e.g., outdated script).
- 🟡 Yellow: Minor implementation issues found.
- 🔴 Red: Critical issue; the tag is not tracking correctly.
- Inspect Details: Click the icon, select the Google Ads Conversion Tracking tag, and click "Conversions" to view the specific ID and data sent to Google.