Website design, web development, and web marketing. In addition to Web design & Development, kroma Specializes in search engine optimization (SEO) and conversion optimization (CRO). What sets Kroma apart from a great many web development teams is that, while we have a specialty, the Kroma Web Design team is first-rate at the whole gamut. This translates to your site not only looking highly professional and being a pleasure to use, but to your site attracting more visitors, and maximizing the chance these users will convert. An effective business website, like effective traditional advertising, is an investment rather than an expense. Kroma returns.