If written content is crawled by search engines, then why place graphics on the website, why not utilize that space for more keyword rich text content? Wrong – Images and graphics can be search engine optimized too! Here’s how Image Optimization works :
It’s good to know that the keywords can be applied to images too! By using these techniques mainly using HTML, you can modify your website code to add keyword rich descriptions for your images.
Image Credit: https://tinyurl.com/wpdynox