I'd say not just scientists at CERN. This applies to most (nah... ALL) scientists: researchers, PhDs, Professors, etc.
They use very hideous design, or more accurately, nothing at all, on their research webpages.
And I am talking about a geocities-esque type of "design" here.
Sometimes I even wonder if there is an implicit rule around that goes on the lines of "real researchers must PRETEND they just learned html".
a lot of sites at MIT, CMU have that mark... the more prestigious, the uglier.
of course it has to be a certain style of ugly.