Using the Tags Panel to verify correct tagging of document

Overview

The following test are noted below:

Check for existance of a tagged layer – This test is to check only for the existance of tags, not for the proper use.

Tagging layer represents the strucuture of the document, quick check – if tags exist, are they used correctly just by a quick view of the Tags Panel.

Comparing Tags Panel to document structure – compare tags panel results to acutal document.

Step 1: Check for existance of a tagged layer

Procedure

Testing for: The existance only of tags in the document

1. Open document (this test was done with Acrobat Pro 9)
2. Open the TAGS panel by selecting VIEW from the top menu, then selecting NAVIGATION PANELS, then selecting TAGS.

What to look for:
1. An untagged document will open the panel and have “No Tags Available”
2. If tags are present, the panel will show “Tags” and have a plus sign next to it to expand the tags in a tree format

Screenshot

Screen shot of Check for existance of a tagged layer

Step 2: Tagging layer represents the strucuture of the document - Quick Check

Procedure

Testing for: This test checks if tags have been properly applied by quickly viewing the Tags Panel. This test follows the assumption that there are tags present in the document (the previous test was a pass)

1. Open document (this test was done with Acrobat Pro 9)
2. Open the TAGS Panel by selecting VIEW from the top menu, then selecting NAVIGATION PANELS, then selecting TAGS.

What to look for:
1. By looking at the tagging structure, is there a heading structure present? Since correct tagging would require a heading structure for navigation, this can quickly tell you pass or fail.
2. Are all the tags the same? Some documents are tagged, but just generally with all the same tag. This is a quick sign that the tagging structure is not done correct.
3. Do tags seem “out of order”. Are heading tags present but not in logical order? This is a quick sign that the tagging structure is not done correct.

Screenshot

Screen shot of Tagging layer represents the strucuture of the document - Quick Check

Step 3: Comparing Tags Panel to document structure

Procedure

Testing for: If the Tags Panel appears to have correct tagging structure, this will compare the tags listed to their corresponding sections in the document. This test follows the assumption that there are tags present in the document and appear to be correctly assigned (the previous tests were a pass)

1. Open document (this test was done with Acrobat Pro 9)
2. Open the TAGS Panel by selecting VIEW from the top menu, then selecting NAVIGATION PANELS, then selecting TAGS.
3. Open the TAGS Panel option menu (icon is the double gears at the top left of the panel) and select HIGHLIGHT CONTENT.

What to look for:
1. When you select a tag in the panel, it will highlight the corresponding area in the document. Does the tag and the highlighted are correspond to a correct tagging structure?
2. Does the tag associate with the area? For example, does a list tag associate to a text block that is not actually a list?

Screenshot

Screen shot of Comparing Tags Panel to document structure

Rules Evaluated with this Technique

Rules evaluated with Adobe Acrobat Pro 9.0
Test
Type
Description
Manual

Documents must have tags

none

Tagging must represent semantic structure

none

The TITLE property or the filename must describe the content of the file

Manual

Heading tags must be properly nested.

Manual

The content of Heading tags must contain text

none

Headings tags should describe the content of the section

Manual

Content organized as a list must use list tags

Manual

Tabular data must use table markup for either simple or complex table tagging

none

For each data table, the first cell in each column must be a th element, and each row must contain at least one th element.

none

Each th element in a complex data table must have ad id attribute whose value is unique relative to all ids on the page.

none

Each td element in a complex data table must have a headers attribute that references the id attributes of associated th elements.

Manual

Figures and other images must be identifed with the Figure tag and include a alternative text attribute

Manual

Mathematical formulas must be identifed with the Formula tag and Alt entry that describes the image