Updating and optimization under SEO online store

Based on Magento 1.9.x. Update the template to the latest version. The site has not been updated for 3 years, and so on. the template was castly modified by the previous developers, its renewal was a complex task. In the end, the task is accomplished. Also made changes to the design and style of the site according to the wish of the customer, added functional. Site optimized by technical tasks from SEO: acceleration of the site’s upload (1,5 – 2 seconds), usability, changes in the layer. The site was transferred to a new, faster hosting. Inbound modules for Google Shopping; One Page Checkout; Schema Markup, optimized image upload, code refactoring for better interaction with the database, etc.