The website I mentioned offers legal services. It's an online brochure and it does not look good.
If it's legal services, I assume they are lawyers - and all lawyers I know are very good a assessing a person on a first impression and are therefore more aware of what impression they are making.
Take that angle to them. Ask them if they'd ever meet with a client wearing jeans with holes in them and a t-shirt that said "who farted?". Of course they wouldn't, they'd wear a suit. And they probably wouldn't wear a suit that is ten years old either...
Would I trust legal advice from a website that looked outdated? No.