Looking for logging into the Pardot User site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Pardot User site. After that you can login as usual with your login credentials.
https://pi.pardot.com/
https://help.salesforce.com/apex/HTViewSolution?id=000263768&language=ja
https://help.salesforce.com/apex/HTViewSolution?id=000263768&language=en_US
https://help.salesforce.com/articleView?id=pardot_sf_connector_setup_connect_users.htm&type=5
https://tyoshikawa1106.hatenablog.com/entry/2017/08/15/212455
https://dev.classmethod.jp/business/business-analytics/alteryx-connect-pardot/
https://community.auth0.com/t/save-user-login-signup-registration-details-in-pardot/15769
https://www.salesforceben.com/the-drip/delete-pardot-user/
https://support.brighttalk.com/hc/en-us/articles/115000005994-BrightTALK-Connector-for-Pardot-Getting-Started
https://pardot.desk.com/customer/en/portal/articles/2127269-logging-into-pardot-with-salesforce?b_id=10745
https://thespotforpardot.com/2018/03/30/how-to-turn-on-the-new-pardot-user-sync-a-guide-for-paranoid-admins/
https://apex.tricorn.net/products/pardot/faq/pd-function-web-tracking.html
https://zift123.zendesk.com/hc/en-us/articles/213530847-How-to-Set-Up-the-Salesforce-Pardot-App