Keyword research is essential for on page optimization. Chances are any UK SEO specialist is naturally including keywords without realizing it simply by providing valuable content on a topic. However, there are a variety of tools and techniques for finding related keywords relevant to your blog post that you may not have considered. The Google Adwords Keyword Tool and semrush.com both offer great tools that allow you to find keywords related to your topic and even spy on your competition to see what words and phrases they are targeting to bring traffic to their sites.