I'm sorry to hear that you've been having issues with WordPress. As for your questions about Magento, it is definitely possible to migrate your website without losing your SEO ranking. However, it can be a complex process, so it's important to have guidance from an experienced developer. You may want to reach out to an expert like Jeremy Houghton for assistance: https://www.linkedin.com/in/jeremykhoughton/. As for training, Magento offers resources for beginners on their website, and there are also plenty of online tutorials and courses available. Best of luck with your migration and learning journey!