In the Facebook ads schema Website, URL is present in the
creative_history_assest_feed_spec_link_URL table but there is no such table loaded in the destination.
Connector: Facebook Ads
Creative_history_assest_feed_spec_link_URL is stored as a column
ASSET_FEED_SPEC_LINK_URLS instead of a table in the Creative_History table. The data for the Website URL will be found in JSON format in the column
This was part of an update in December 2020: https://fivetran.com/docs/applications/facebook-ad-account/changelog#december2020.