1.setting between the mc and your target website
https://help.salesforce.com/s/articleView?id=sf.use_interaction_studio_to_personalize_websites_configurations.htm&type=5
2.example for setting sitemap
https://developer.salesforce.com/docs/marketing/personalization/guide/b2b.html
3.how to import data to catalog object(product,article....)
https://help.salesforce.com/s/articleView?id=sf.mc_pers_etl_catalog_object_data_feed.htm&type=5
⭐for instance,you should have those fields in your csv file
id catalogObjectType attribute:name attribute:url attribute:imageUrl attribute:kokaibi attribute:archived categories relatedCatalogObject:Keywords
⭐if you don't have the following item attributes: ID, name, URL, image URL. you probably can not use Einstein recipe
https://help.salesforce.com/s/articleView?id=sf.mc_pers_einstein_recipe_troubleshoot.htm&type=5
4.create a web template
you can use global template
you can also use the following samples
https://is-template-guide.herokuapp.com/
5.create a web campaign