I'm trying to improve the performance score of the website by combining flag images using CSS sprites.
Is there any documentation that you are following?
GTMetrix performance report.
Is there a similar example that we can see?
hidden link you can find information here, but all the tools that I've found so far require uploading the images. I want to ask if there is a way to do it without.
The option you are looking for is not available in WPML settings. WPML comes with pre-configured flags for all 65 languages and additional flags for popular country-specific language variants. You can find these flags in SVG or PNG format at the following file path: ../wp-content/plugins/sitepress-multilingual-cms/res/flags.
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