With image file naming, it could be descriptive and include keywords that may be relevant.
> Configure the File Name options:
-> Enable automatic file addition for new products: Enable this option to insert the ‘image filename’ as per the File name pattern when the new products are added.
> Choose “Filename pattern” for Product images: You can configure the Alt Tag caption as per the product details.
-> [product_title] [product_type] [product_vendor] – If you select this option, the file name of the product images will update as per the Title of the product, product type & its vendor.
-> [product_title] – If you select this option, the file name of the product images will update as per the Product’s Title.
-> Custom – You can add the custom Filename manually for the product images. You can use the variables like [product_title] [product_type] [product_vendor] and you can add a prefix for Image Filename as well.
> Choose “Filename pattern” for Collection images: You can configure the ‘Filename’ caption as per the Collection details.
-> [collection_title] (Recommended): If you select this option, the File name of the collection images will update as per the Title of the collection.
-> Custom – You can also add the custom Filename manually for the collection images. You can use the variable for the collection as well. i.e. [collection_title].
To Enable automatic compress option: Enable this option to compress the images automatically when the new images are added.
After configuring the Image Optimizer settings, click on the Save button to apply the configurations.