http://www.iqte.st/iqtests/index.html
if it's not timed then it's not legit. IQ takes into account how fast it takes u to think too... but usually internet tests are not "official" anyway, it's a pretty close ballpark tho give or take.
a good test should also tell what your IQ is for the specific areas it takes into account. I get really high in some things (logic, language), and on the low-normal side for math, patterns... something like that could bring down your overall score, even though you are normal/above average, etc. in specific areas.
i wouldn't really take IQ tests too seriously anyway... there is obviously more to intelligence/genius than how fast you can reverse a series of numbers in your head and that sort of thing... it leaves out a lot I think.
IQ tests don't test for creativity for example. is being able to create a beautiful piece of art, or a new and original scientific theory not a process of the mind too?
that's a different discussion though hahaha