chromium/chrome/test/data/accessibility/image_annotation_augment.html

<!DOCTYPE html>
<body>
  <!-- Images with existing non-trivial alt text should not be annotated. -->
  <img src="red.png" alt="throwing a frisbee" width=16 height=16>
  <img src="green.png" alt="potatoes" width=16 height=16>

  <!-- Images with only "stopwords" in their alt text should be annotated. -->
  <img src="/android/UiCapture/frog.jpg" alt="the" width=50 height=50>
  <img src="/android/UiCapture/train.png" alt="photo background" width=50 height=50>
  <img src="/android/UiCapture/cloud.png" alt="12345678.jpg" width=50 height=50>
  <img src="/android/UiCapture/goat.jpg" alt="Sunday, Feb 6, 1966" width=50 height=50>
  <img src="/android/UiCapture/dog.jpg" alt="fotografia bianca e nero" width=50 height=50>

</body>