In the redesign of Fyne Jewellery's website, we transitioned from third-party builders to custom development, significantly enhancing the UI/UX tailored for the luxury brand. Following the update, we achieved a 23% increase in speed on desktop and an impressive 54% increase on mobile devices. Additionally, we integrated custom features such as gift wrapping, dynamic engraving options, and a quick-access wishlist, which collectively improved both user and admin experiences. Our comprehensive approach not only streamlined operations but also effectively boosted customer engagement.