This is a list of performance gains of Scriptish over Greasemonkey.
GM_API. For example,
GM_registerMenuCommandno longer attempts to run against iframes.
DOMNodeRemovedon every browser window in order to support its toolbar button. Scriptish does not require such listeners due to its superior toolbar button implementation.
@excluderegular expressions (instead of being simply memoizing them, which GM does).
GM_API resources are not created until they are needed.
@delaymetadata block headers.