Developed and integrated the Hexo-Graph plugin for the hexojs/site repository, enabling the rendering of blog heatmaps and statistical charts to provide visual analytics for both readers and site owners. The work focused on plugin architecture and seamless ECharts integration, leveraging JavaScript, Node.js, and YAML for data configuration and visualization. Delivered as a single commit, this feature established a foundation for expanded analytics capabilities and a more robust plugin ecosystem. By supporting data-driven content strategies and engagement insights, the implementation addressed the need for actionable analytics without introducing new bugs, demonstrating a methodical and business-focused engineering approach within a short timeframe.