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.
Avoid:
- using generic filenames like "image1.jpg", "pic.gif", "1.jpg" when possible (some sites with thousands of images might consider automating the naming of images)
- writing extremely lengthy filenames
- stuffing keywords into alt text or copying and pasting entire sentences
• 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. Avoid:
- writing excessively long alt text that would be considered spammy
- using only image links for your site's navigation
Store images in a directory of their own - 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.
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