17. An article of manufacture including a computer-readable medium having instructions stored thereon that, when executed by a computing device, cause the computing device to perform operations comprising: retrieving a transcluded template file, the transcluded template file including a transcluded template; retrieving a transcluding template file, the transcluding template file including a transcluding template, the transcluding template including credentials to the transcluded template; validating that a data-type of an input parameter in the transcluding template matches a data-type of the transcluded template; building a binary transcluded template object from the transcluded template and a binary transcluding template object from the transcluding template based on the validating; uploading the binary transcluded template object and the binary transcluding template object to a web server to generate the valid HTML document that is sent for display on a browser, wherein content in the valid HTML document associated with the transcluded template is included within content in the valid HTML document associated with the transcluding template.
17. An article of manufacture including a computer-readable medium having instructions stored thereon that, when executed by a computing device, cause the computing device to perform operations comprising: retrieving a transcluded template file, the transcluded template file including a transcluded template; retrieving a transcluding template file, the transcluding template file including a transcluding template, the transcluding template including credentials to the transcluded template; validating that a data-type of an input parameter in the transcluding template matches a data-type of the transcluded template; building a binary transcluded template object from the transcluded template and a binary transcluding template object from the transcluding template based on the validating; uploading the binary transcluded template object and the binary transcluding template object to a web server to generate the valid HTML document that is sent for display on a browser, wherein content in the valid HTML document associated with the transcluded template is included within content in the valid HTML document associated with the transcluding template. 18. The computer-readable medium of claim 17 , wherein the credentials include a uniform resource locator (URL) of the transcluded file and an identifier of the transcluded template.