When you're facing a somewhat complex Google Analytics setup and want to find out what's happening, you can use this Chrome extension.

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

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It's much simpler than other fancy plugins (like "Google Tag Assistant") and does just one job and does it well.

To see what's happening, you need to open your developer console.