In a previous role I was tasked with increasing the lighthouse/pagespeed score across some web properties. After some iterations and very little improvements we

In a previous role I was tasked with increasing the lighthouse/pagespeed score across some web properties. After some iterations and very little improvements we would be asked what else we could do. Did we need to speed up the backend? Could we lower latency, etc… The solution: I set up a query param that would disable google tag manager. All of the crazy tracking and telemetry stuff we didn't control was the biggest issue.