Methods, apparatus, and computer program products are described for enabling global grammars for a particular multimodal application according to the present invention by loading a multimodal web page; determining whether the loaded multimodal web page is one of a plurality of multimodal web pages of the particular multimodal application. If the loaded multimodal web page is one of the plurality of multimodal web pages of the particular multimodal application, enabling global grammars typically includes loading any currently unloaded global grammars of the particular multimodal application identified in the multimodal web page and maintaining any previously loaded global grammars. If the loaded multimodal web page is not one of the plurality of multimodal web pages of the particular multimodal application, enabling global grammars typically includes unloading any currently loaded global grammars.