Navigation rarely changes on most WordPress sites, why dynamically regenerate it every time? This plugin will store WordPress navigation menus as static HTML, even the really large ones.

wp_static_menu_cache_dir

Customize the location of the static menu cache directory

wp_static_menu_file_args

Customize the arguments being used to generate a static menu cache file - allowing for granular control over menu caching.

wp_static_menu_cache_file_name

Customize the file name of the static menu cache file.

wp_static_menus_cache_file

Customize the full file path of the static menu cache file.

wp_static_menus_bypass_cache

Allow for short circuiting the menu cache, any true value will bypass the cache.