Writing for the web can be tricky. In some ways it’s no different from any other kind of writing – talent and skill will shine through no matter what the format. But there are a lot of things to think about when writing (and editing) for the web – such as SEO, scannability and linking – that don’t exist in other media.
The Renegade Writer Blog has rounded up some links to help you “write for the 21st century”, as they call it, with more being added in the comments. It’s a good selection of resources to help you get started.