Quality content is more than the message – it also has to be presented in a way that is easy for people to read and understand.
Many people will tell you that the message is more important than spelling or grammar – and it is, but only to a point. A great message is lost if the spelling and grammar are poor.
Last night, I saw a page on a website that shows how important spelling can be – as even one wrong letter can make a big difference.
We make real-estate CD’s. [Business] can also make and host your web site, with promotion as the key fucus.
Using a u instead of an o is not just a typo we can ignore – the new word is too close to another word and that is what now catches our attention – not the original message.
It also changed the reader’s interpretation of the ‘presenting in a unique way’ in the following sentence, creating giggles instead of interest in their professional services.
It comes back to proofreading your work – not just a quick glance or use of a spell check, but a genuine check of what you have written. And the best proof reading is done a day or so after the writing or by another person. The quality of your content will improve through this simple process and maintaining a ‘focus’.

I was recently reminded that it is important to take care not to communicate anything different to your words and intentions. That is, your words may tell one story but the context will also communicate a message and you want them to match.
Very easy to ignore that and give a silly message, too, unless you proof read properly after using the spell check.