Baidu Analytics (百度统计) is a free tool for tracking and reporting traffic data of users visiting your site.
Cloudflare Workers is a serverless execution environment that allows you to create entirely new applications or augment existing ones without configuring or maintaining infrastructure.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Hexo is a blog framework powered by Node.js.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Open Graph is a protocol that is used to integrate any web page into the social graph.