Migrating website

I'm migrating a site that I initially made in Google sites and have recreated in next js using claude (using SEO skills to improve the site and just having be faster and perform better than a Google site). Have kept all the site names the same and most of the content is mostly the same (have made some fun more interactive tools with claude). What should I bear in mind before pushing the trigger. Have spent a few months on this and the initial websi