{
  "fictional": true,
  "providerRequests": 0,
  "locale": "en",
  "group": "image-backlinks",
  "title": "Image links: inspect four HTML patterns",
  "notice": "Fictional teaching examples. No page or image is fetched; no link or ranking result is verified.",
  "scope": "Here each of the three named hosts represents a separate site. Reports may group subdomains differently; declare the scope before classifying real URLs.",
  "cases": [
    {
      "id": "unlinked-image",
      "title": "An image without a link",
      "facts": "The browser may request the image file, but there is no anchor destination. Reusing or hotlinking an image alone is not a clickable backlink to its creator’s page.",
      "sourceUrl": "https://publisher.example/story",
      "imageUrl": "https://images.example/atlas.svg",
      "targetUrl": null,
      "alt": "Open the accessible transit atlas",
      "linkText": "",
      "nameSource": null,
      "direction": null,
      "sourcePerspective": null,
      "targetPerspective": null,
      "markup": "<img src=\"https://images.example/atlas.svg\" alt=\"Open the accessible transit atlas\">"
    },
    {
      "id": "named-image-link",
      "title": "An image-only link with a purpose",
      "facts": "The anchor points to the atlas page. The image alternative names the destination rather than its colors. The image file and link destination are different URLs.",
      "sourceUrl": "https://publisher.example/story",
      "imageUrl": "https://images.example/atlas.svg",
      "targetUrl": "https://target.example/atlas",
      "alt": "Open the accessible transit atlas",
      "linkText": "",
      "nameSource": "alt",
      "direction": null,
      "sourcePerspective": null,
      "targetPerspective": null,
      "markup": "<a href=\"https://target.example/atlas\"><img src=\"https://images.example/atlas.svg\" alt=\"Open the accessible transit atlas\"></a>"
    },
    {
      "id": "unnamed-image-link",
      "title": "An image-only link without a name",
      "facts": "The anchor still exists, but empty alt and no link text leave its purpose unexplained. Provide a meaningful accessible name; adding keywords to the filename does not repair the link label.",
      "sourceUrl": "https://publisher.example/story",
      "imageUrl": "https://images.example/atlas.svg",
      "targetUrl": "https://target.example/atlas",
      "alt": "",
      "linkText": "",
      "nameSource": null,
      "direction": null,
      "sourcePerspective": null,
      "targetPerspective": null,
      "markup": "<a href=\"https://target.example/atlas\"><img src=\"https://images.example/atlas.svg\" alt=\"\"></a>"
    },
    {
      "id": "text-and-image",
      "title": "An image beside descriptive link text",
      "facts": "The same anchor contains clear text, so empty alt can avoid repeating that name. Judge the complete anchor, not the alt attribute in isolation.",
      "sourceUrl": "https://publisher.example/story",
      "imageUrl": "https://images.example/atlas.svg",
      "targetUrl": "https://target.example/atlas",
      "alt": "",
      "linkText": "Explore the transit atlas",
      "nameSource": "text",
      "direction": null,
      "sourcePerspective": null,
      "targetPerspective": null,
      "markup": "<a href=\"https://target.example/atlas\"><img src=\"https://images.example/atlas.svg\" alt=\"\"> Explore the transit atlas</a>"
    }
  ],
  "resourceBrief": "Transit atlas brief: help a traveler compare step-free routes using a dated, documented dataset. Publish the diagram with a text table, methodology, source notes, version date and a correction contact. Offer a reusable image and a stable explanatory page under clear reuse terms. Suggested attribution should point to the explanation, not require a promotional anchor. Measure useful visits or corrections separately from observed citations; do not invent adoption or ranking results."
}