Basically, images serve as an illustration and aesthetics to add more "life" to an otherwise monotonous page. That said, unless you run an online art gallery you should use graphics sparingly, as too much of them could hamper users' browsing process and alter the personality of your brand. For product illustration, stick with a clear image taken point blank. For artistic purposes, aim for professionally developed ones that represent both aesthetics and the character of your brand

There is nothing new here. Your copy, especially of product information, should be tight, to the point, and grammatically correct, for you to deliver your message effectively. A bit of puffery and flowery lines might do well as a welcome mat, but that's about it. For a content site, break your paragraphs in two to three lines of text - rather than according to sub-themes -- as reading on a monitor causes eyestrain. And no typos; even an occasional spelling mistake is intolerable and can taint your professionalismThe size, type, and color of your fonts must be readable and fit the overall design elements. Fonts that are too big overwhelm users, while too small ones are hard to read especially by people over 40