Scanit has apparently updated there browser test , if you've never been there before it's a good place to check out how secure your browser is. (I've used it for years) They test on a specific browser type, IE, Firefox, Opera . They will attempt to crash your browser and then on your return will tell you what the cause was. You no longer need to allow JS for it to work but you will need to allow a perm cookie to be set, after the test you can delete it. http://bcheck.scanit.be/bcheck/
my results :

the first "Passed" is a green check mark on their site
the old test is still available as well

Thanks

My Result:

thanks for the link

http://bcheck.scanit.be/bcheck/showresults.php browser security test-powered by scanit-the security company-great diagnostic tool for your computers browsing ability-it has been around awhile with even my paperwork indicating August 2003 as first time I tested Internet Explorer 6.0-Browser Security Items column is also very informative with Browsers Security Test Statistics a useful and informative way to illustrate the present state of the security of a given browser at a given point in time."Scanit's Browser Security Test automatically check your browser for various security problems.When the test is finished you get a complete report explaining the discovered vulnerabilities,their impact and how to eliminate them." We advise check- Run All available Tests

I've tried Gibson Research Shields Up.....as a PC weenie, it seemed pretty impressive to me.