Add Wappalyzer

README.md

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 * [Swagger](https://swagger.io/) - a powerful yet easy-to-use suite of API developer tools for teams and individuals, enabling development across the entire API lifecycle, from design and documentation, to test and deployment.
 
 ### Browser extension <a name="browser-extension"></a> [&#x2191;&nbsp;&#x2191;&nbsp;&#x2191;](#toc)
+* [Wappalyzer](https://www.wappalyzer.com/apps/) - a browser extension that uncovers the technologies used on websites.
 * Chrome
   - [25 Essential Chrome Extensions for Web Designers](https://envato.com/blog/chrome-extensions-web-design/)
   - [Checkbot](https://www.checkbot.io/) - crawls your site testing pages follow 50+ SEO, speed and security best practices.

README.zh-CN.md

@@ -640,6 +640,7 @@
 
 ## 浏览器扩展
 
+- * [Wappalyzer](https://www.wappalyzer.com/apps/) - 一个揭示网站所用技术的浏览器扩展。
 - chrome
   - [网页设计师的 25 个基本 Chrome 扩展程序](https://envato.com/blog/chrome-extensions-web-design/)
   - [检查机器人](https://www.checkbot.io/) - 抓取您的网站测试页面遵循 50+ SEO、速度和安全最佳实践。