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Any chance you would be willing to share the URL so I can run some diagnostics? A few things to look at: 1. Insuring that 301 redirects are in place to redirect non www to www and http to https 2. Google Search Console for any 404's that have popped up since the move. You'll want to redirect those too 3. Submitting your XMl sitemap to both Google and Bing via Search Console and Bing Webmaster Tools 4. Making sure that you've updated your prefences in analytics to https in both property settings and view settings