Anything under 100k is inadequate. Never include any contact information. Unless it's on level 8 of your site. Bad spelling is more difficult than it appears, but homonyms usually escape spell-checking. With the degradation of written American, it can actually be quite difficult to come up with prose which is riddled with spelling errors which doesn't look OK to the average user.
Adverbs are fertile ground.
Chances are, in attempting improper usage, you will stumble upon the correct usage. Use frames in profusion, no less than five per page. In fact, when we got there, we wondered why we'd bothered. We'd been distracted by a telephone call, and, on returning to the screen, were somewhat bewildered as to what could have brought us there. We wondered what this had to do with us.