To configure Variation Swatches for WooCommerce Navigate to WordPress admin menu WooCommerce =>Settings =>Product Swatches=> Tools

1) Delete all data: Check this to delete all data when WooCommerce variation swatches plugin deleted.
Performance
2) Load Script: Check this to enable script only archive page or product single page
3) Defer Load JS: Check this to load Defer JS to improve page speed score
4) Use Cache: Check this to use our plugin cache that improve load time performance