Image with parameter - HTML

Question

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Answer 1

The value=23 only has an effect if the server uses it. The browser requests http://example.com/img.png?valud=23, so the server will see the parameter.

For example, with PHP, if your use $_GET['value'], and that variable changes what image is sent, then the value=23 is needed.

Parameters are often sent with images to specify a height or width, or to determine which image is loaded.