How to shorten URLs when selecting multiple filter option values

Attention: The current document only works with the new front-end lib from Boost Commerce. Please read this document first to know if you are using the latest version.

This checkbox allows store owners to shorten the product URLs after filtering values in the same filter option, which can be beneficial by directly telling search engines what the page is about in a more concise way. (Learn more about the benefits) Here's an example:

Before: https://boost-commerce-team.myshopify.com/collections/all?pf_opt_size=M&pf_opt_size=XS

After: https://boost-commerce-team.myshopify.com/collections/all?size=M,XS

Instruction