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Example of Alternative text:
Alternative text (or alt tags) should be a very brief description that conveys relevant information about an image when used in a document or on a webpage. This brief description can then be read via screen readers by students who or blind or low vision. A best practice when using images, is to use images only when they add value or have relevance to the content. Information on how to create alternative text tags can be found at GOALs Project Cheatsheets.
| Image | Context | Alternative Text Description |
| Story about tulips | alt = “Yellow tulips blooming in the Spring” |
Horticulture Class | alt=“Tulipa gesneriana” | |
Decorative Image* *If the image is strictly decorative, you need to use quotation marks to indicate null or no text necessary. | alt=“”
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(source: Janet Sylvia)
Example of Long Description
"Complex graphics should be described in the body of a slide or on an appendix slide. However, it is important that alternate text is applied to a chart or graph to describe the overall purpose of the figure. Additionally, the alternate text needs to indicate where the longer description of the graphic is located." (sources:http://www.section508.va.gov/support/tutorials/powerpoint/Creating_Accessible_Documents_with_Microsoft_PowerPoint_2010.pdf
| Complex Image | Parts of a Complex Description | Alternative Text Description |
Title | The line graph is entitled "FOREIGN TRADE OF COUNTRY X, 1968 through 1980, in United States dollars". | |
Constructions of Image | There are two lines on the graph, a dashed line labeled "Exports" and a solid line labeled "Imports". The vertical axis is labeled "Billions of Dollars," beginning with zero to eighteen, in increments of 2. Note: one billion equals a one followed by 9 zeros. The horizontal axis is labeled "Year" and lists all the years from 1968 through 1980. | |
| Summary or Overview | The Exports line begins in 1968 at 3 billion dollars, rises steeply, then drops, then shoots up to 15.5 billion, then trails off to 10 billion in 1980. The Imports line begins in 1968 at 2 billion and rises steadily to 8.75 billion in 1980, except for 2 minor dips. | |
| Data | The data is provided in the following table. Figures are in billions of dollars. All data are approximate.
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(Source for complex image breakdown: PPT Presentation, Presented by Diagram Center, Bryan Gould (too big to upload to wiki); GouldDiagram_Webinar_Gould_30Oct12, found doing a search on google)