There may be an issue in the PDP page due to all Item options and custom transaction column fields are displaying in the PDP page.
The site may be unresponsive due to the time taken for displaying all the item options.
Sample screen shot
To remove this we need to check “SHOW ONLY ITEMS LISTED IN: ITEM OPTIONS AND CUSTOM TRANSACTION COLUMN FIELDS” in the configuration record.
Navigation: Commerce>Website>Configuration record>Advanced>Item option>”SHOW ONLY ITEMS LISTED IN: ITEM OPTIONS AND CUSTOM TRANSACTION COLUMN FIELDS”
