Does anyone have a guide as to how this affects things for ecommerce? If I have a third party reviews module - Feefo, BazaarVoice etc. - will that work? Is th

Does anyone have a guide as to how this affects things for ecommerce? If I have a third party reviews module - Feefo, BazaarVoice etc. - will that work? Is this the end for 'AddThis' and other tracker things marketing type insist on bulking the page load times with?