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Jan
18

SEO Optimise your use of images

Images may seem like a straightforward component of your site, but you can optimize your use of them. All images can have a distinct
filename and “alt” attribute, both of which you should take advantage of. The “alt” attribute allows you to specify alternative
text for the image if it cannot be displayed for some reason.

Why use this attribute? If a user is viewing your site on a browser that doesn’t support images, or is using alternative technologies, such as a screen reader, the contents of the alt attribute provide information about the picture.

Another reason is that if you’re using an image as a link, the alt text for that image will be treated similarly to the anchor text of a text link.

However, we don’t recommend using too many images for links in your site’s navigation when text links could serve the same purpose.
Lastly, optimizing your image filenames and alt text makes it easier for image search projects like Google Image Search to better understand your images.

Instead of having image files spread out in numerous directories and subdirectories across your domain, consider consolidating your images into a single directory (e.g. brandonsbaseballcards.com/images/). This simplifies the path to your images. Use commonly supported filetypes – Most browsers support JPEG, GIF, PNG, and BMP image formats. It’s also a good idea to have the extension of your filename match with the filetype.

Use brief, but descriptive filenames and alt text

Like many of the other parts of the page targeted for optimization, filenames and alt text (for ASCII languages) are best when they’re short, but descriptive.

Supply alt text when using images as links

If you do decide to use an image as a link, filling out its alt text helps Google understand more about
the page you’re linking to. Imagine that you’re writing anchor text for a text link.