There is disclosed a method of rendering a screen-representation of an electronic document. The method is executed on an electronic device. The method comprises: acquiring, by the electronic device, the electronic document to be rendered, the electronic document comprising a content portion and a rendering-instruction portion; generating, by the electronic device, at least one rendering command, the at least one rendering command based on the at least one instruction, identifying, by the electronic device, a portion of the content portion to be modified; while generating the at least one rendering command, generating, by the electronic device, at least one additional rendering command, the at least one additional rendering command not directly derivable from the at least one instruction; generating the screen-representation of the electronic document based on a combination of the at least one rendering command and the at least one additional rendering command.