Parallel Tracking for Video Campaigns on Google Ads Will Mandatory from March 31 2020
https://support.google.comParallel tracking is now available – opt in for Video campaigns, and will become mandatory for all Video campaigns starting March 31st, 2020 (as it already is for Search, Shopping, and Display). Parallel tracking helps your mobile site speed by bringing people directly to your landing page while measurement happens in the background. On average, Google claims they have seen that advertisers who adopt parallel tracking have reduced page load time by up to 5 seconds.