Puppeteer is a Node library which provides a high-level API to control Chromium or Chrome over the DevTools Protocol. - screenshot - generate pdf - SSR -判断servicework启用情况 -获取文件加载的timeline的json文件,可以上传到devtool中查看具体资源情况 -code 加载时间 (coverage.js) -爬虫 (这个不太...