Roberto Hi, firstly I think its important to note site speed is only one of hundreds of ranking factors, so a drop in site speed won't cause your visits or ranking to fall off on its own, other factors would also be contributing to a drop in ranking.
I see you've now removed the site from Ezoic but the site is still failing Core Web Vitals in Pagespeed Insights. This is due to INP on mobile devices, you might want to take a look at Google's INP guide which runs over how to improve this metric. If you reintegrate with Ezoic too you can see which interactions are causing the most failures and driving down the INP scores. I suggest focusing on INP, since 75% of your visitors come from mobile devices.
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