You can even use MathJax from the CDN with a local custom configuration file: Create a configuration file on your local server, e.g., http://myserver.org/MathJax-config.js Put your configuration commands in that file End the file with MathJax.Ajax.loadComplete("http://myserver.org/MathJax-config.js") Add http://myserver.org/MathJax-config.js as a second config parameter when you load MathJax.js Details for using configuration files with MathJax