In HTML and XHTML , an image map is a list of coordinates relating to a specific image, created in order to hyperlink areas of the image to various destinations. (Wikipedia)
When to use image maps ? It’s best and recommended to use image maps when you can’t divide the images into smaller pieces and linking them with anchors.
I used image maps to links several portions of a city map.
Why to use image maps ? It’s an efficient method to link portions of an image without diving the image into pieces, not to add several lines of XHTML and/or CSS code.
How to create image maps ? There are plenty of online tools that you can use to create image maps.
Image-maps.com is a good online tool to create image maps. You can test this tool with an provided example image.
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