- HTML https://www.w3.org/TR/html/
- CSS https://www.w3.org/TR/css/
- JavaScript http://www.ecma-international.org/publications/standards/Ecma-262.htm
- HTTP
- Node.js https://nodejs.org/en/docs/
- PHP https://www.php.net/docs.php
- MySQL https://dev.mysql.com/doc/
- Redis https://redis.io/documentation
- Linux https://www.linux.org/docs/
- Nginx http://nginx.org/en/docs/
- git https://git-scm.com/docs
- Git Pro 2th https://git-scm.com/book/zh/v2