When Shopify traffic has plateaued for months, outside SEO help may be worth a...

https://wiki-site.win/index.php/Is_It_Normal_for_Shopify_Technical_SEO_Issues_to_Come_Back%3F

When Shopify traffic has plateaued for months, outside SEO help may be worth a look - but not every agency earns the fee. Before signing, ask for Search Console non-branded traffic or organic revenue results, not promises.