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Hm. I just clicked through your campaigns, and I'm not seeing that showing up anywhere. Where in Moz Pro are you getting that notification?

Yes, the move to HTTPS takes a while sometimes to fully swap over to your new versions. In the meantime, you may see some dips in ranking even though Google swears this doesn't happen. We have verified several times that it does. In the meantime, check your website in Google using site: and you'll see that there's a mix of https and non-https. https://www.google.com.au/search?q=site:www.thepresentfinder.co.uk/&gws_rd=ssl Fetch your site in Search Console, check your sitemap for https links and then resubmit sitemap in Search Console. Then it's just a waiting game on Google's end.

Agree 100%.   I should have mentioned.  We use a slide out on our site and it is pretty effective.  We did AB testing to look at the best verbiage on the slide out and we also did some user testing to see the best timing for when and how to slide out.