Crawlers based on simple requests to HTML files are generally fast. However, it sometimes ends up capturing empty bodies, especially when the websites are built on such modern frontend frameworks as AngularJS, React and Vue.js. Powered by Headless Chrome, the crawler provides simple APIs to crawl dynamic websites. Support both depth-first search and breadth-first search algorithm. Save screenshots for the crawling evidence, emulate devices and user agents, priority queue for crawling efficiency...