MY site hosted on Digitalocean, without ads it's loads in just seconds as google speed test.
FID 190 ms
Rating 73 But with ads, it's too much slow rating only 48
I am using a wp-rocket cache plugin, maybe ther...
I've been noticing a similar problem with a few of my websites as well.
Having this in mind you could try to set a delay for the Google Ads script so that it loads your ads let's say 5 or 10 seconds after your ...