Please note that this Support article contains frontend customizations via modifying the legacy Algolia template files, which are deprecated and unsupported by the Algolia Support Team.
For more information, please review this Support article - "Why is modifying Algolia template files for customizations not supported?"
If you notice that some of your UTM/campaign-tracking URL query parameters are being modified on page-load for a collection/results page, you may need to add these specific parameters to the ALLOWED_FOREIGN_PARAMS array in your algolia_instant_search.js.liquid file.
You can access this file from your Shopify admin by going to Apps > Algolia Search and Discovery > Search Options > Additional Settings > Edit translations file > Open liquid file:
Please note that questions about customization of this file is out-of-scope for the Support team.