If Shopify traffic has plateaued for months, or recurring Core Web Vitals...

https://www.sierrabookmarking.win/if-shopify-traffic-has-plateaued-for-months-outsourcing-seo-may-help-but

If Shopify traffic has plateaued for months, or recurring Core Web Vitals issues keep slipping down the to-do list, outsourcing SEO may be worth considering. But an agency is not automatically the answer