What is necessary to ensure that hot spot coordinates are accurate?

To ensure that hot spot coordinates are accurate, maintaining consistent pixel dimensions is crucial. Hot spots are defined areas within an image that are interactive or clickable, and their functionality hinges on precise positioning within the image. If the pixel dimensions of an image are inconsistent or altered—such as during resizing or scaling—the defined coordinates of the hot spots may no longer align correctly with the intended areas. This misalignment can lead to poor user experience, such as clicking on the wrong area or failing to interact with the hot spot altogether.

When the pixel dimensions remain consistent throughout the design process, it ensures that the coordinates used to define the hot spots directly correspond to the visual elements in the image. This consistency is essential for web development, particularly in image maps or interactive graphics where accuracy is key for effective navigation and user interaction.