• https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.3/socket.io.js
• https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.3/socket.io.js.map
• https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.3/socket.io.min.js
• https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.3/socket.io.slim.js
• https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.3/socket.io.slim.js.map
• https://cdn.bootcdn.net/ajax/libs/socket.io/1.7.3/socket.io.slim.min.js