Recently Page Speed tester has shown Core Web Vitals Assessment as "failed". This problem is only on Mobile side and desktop seems to be ok. Can anyone tell me what is wrong / causing this, and how to fix it? Website: https://pawsson.fi     

Thank you Oreoorbiz for confirming this. I checked a bit and it looks like that this guy have done same for other ppl too.Not sure if it is inappropriate or not but I will publish the name, just in case it will prevent any other guy to fall into this...

I hired Shopify Expert to improve my store speed (it was at around 30 by shopify score and PageSpeed insight was bit better). At first it looked that he did an awesome job and mobile / comp by PageSpeed was approx 90-95 / 98-100. However, I was soon ...