I still remember when Google launched, the uncluttered homepage was the real differentiator, other search engines, especially AltaVista, were just as good at the time, but they would load their homepage with as much extra stuff as they could think of to attract people. Then Google came along with a quirky name (for the time) and a uniquely minimalist look that broke all the established rules, it wasn't necessarily better search at that point but it really looked different. Different times of course, a search engine was just another website, no different to your own personal page.