Great question — answering as the UphillTech team:
I’ve migrated sites to Magento and felt that it can be unstable - certain feeds break, functionality can be rigid, and PageSpeed performance can get bogged down. That said, you’ll want to make sure the SEO fundamentals for a migration are covered. Crawl your site Make a backup of your current Shopify site by performing a crawl of all the URLs on your site. This crawl will be used to redirect map and asses meta data optimizations. Plus it’s good to have in case things go awry, you can reference a previous crawl to see what had changed in between the migration. Redirects How many pages are migrating? How big is your product catalog? I would look at tools like SEMrush, Screaming Frog, or...
Full answer by Edwin Romero: https://webmasters.stackexchange.com/a/145287 (CC BY-SA 4.0).
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