AccessibilityTest.java:15: error: header used out of sequence: <H2> * <h2> ... </h2> ^ AccessibilityTest.java:21: error: header used out of sequence: <H3> * <h3> ... </h3> ^ AccessibilityTest.java:26: error: no "alt" attribute for image * <img src="x.jpg"> ^ AccessibilityTest.java:41: error: no summary or caption for table * <table><tr><th>head<tr><td>data</table> ^ 4 errors