Thinking of a topic for your next blog isn't always straightforward. Any writer specialising in content marketing knows that in order for a blog to be successful it has to stand a decent chance of competing for keywords. There's no point writing a brilliant article on a subject that has saturated the market. Then again, it's not worth targeting obscure long-tail keywords in your content marketing. A fine line has to be drawn between competitiveness and readability. In this article, we're going to share how to strategically evaluate your blog ideas and research keywords for content marketing that are successful every time.