Hi Clouseau,
As I have posted the code also in a Mozilla forum, I hope that it will be adopted soon as people find it helpful. Else you have to put it there again after a new version has installed.
Well do not worry, because I have tested it out with ABP + various lists, and with NoScript enabled, Stealther on (accepting no cookies), Locationbar 2 (without flavicon). So all the visors were down, as I spotted the workings of this particular script, and then I hurried to publish it. From my experiences with analyzing Mem leaks, and how GetElementsByTagName and GetElementsById and GetElementsByClassName could slow the page load, I creatively sought the solution we have at hand here, and it was a lucky strike as many now attest.
So help me spread this code where you are, and greet the Black Swans from me...
your co-malware fighting friend,
polonus