Server Side Includes (SSI) or PHP Includes. They both allow you to put markers in the HTML code that the server replaces with external data when the page is sent to the user. SSI requires the server to be set up to do it (usually is) and usually requires a .shtml extension on the HTML file so that it will know to parse the file. PHP Includes requires PHP be running on the server (usually is) and a .php extension on the HTML file. Do a Google search for Server Side Includes or PHP Includes to get the proper form of the marker tags.