{
  "id": "03",
  "content": [
    {
      "type": "heading",
      "text": "utm_source: Where the Click Came From"
    },
    {
      "type": "text",
      "html": "<code>utm_source</code> names the platform, publisher, list, partner, or origin of the traffic. Examples include <code>newsletter</code>, <code>facebook</code>, <code>linkedin</code>, <code>partner-site</code>, or <code>webworld</code>."
    },
    {
      "type": "text",
      "html": "Good source values are stable. If one campaign uses <code>fb</code> and another uses <code>facebook</code>, reports split traffic that should have been grouped together."
    },
    {
      "type": "callout",
      "style": "info",
      "html": "<strong>Practice:</strong> Create a short approved source list for your project. Reuse those exact values instead of inventing new spellings for every campaign."
    }
  ],
  "quiz": {
    "questions": [
      {
        "id": "q1",
        "type": "single",
        "text": "What should utm_source describe?",
        "options": [
          {
            "id": "a",
            "text": "The platform or origin of the click"
          },
          {
            "id": "b",
            "text": "The color of the button"
          },
          {
            "id": "c",
            "text": "The server CPU type"
          }
        ],
        "correct": [
          "a"
        ]
      },
      {
        "id": "q2",
        "type": "single",
        "text": "Why should source names be consistent?",
        "options": [
          {
            "id": "a",
            "text": "So reports group traffic correctly"
          },
          {
            "id": "b",
            "text": "So the URL cannot be copied"
          },
          {
            "id": "c",
            "text": "So images become smaller"
          }
        ],
        "correct": [
          "a"
        ]
      }
    ]
  }
}