Error messgae after moving to new hosting

Hi,

After moving to new hosting provider I’m getting the error:
We noticed you’re using a caching plugin or caching from your hosting provider. Be sure to clear the cache to ensure the tracking appears on all pages and posts. (See this guide on how to clear cache).

I’ve cleared cache on my WordPress cache plugin, on Cloudflare and my browser but it still shows up.
Any way to solve it?

The page I need help with: [log in to see the link]