This article (http://www.copyblogger.com/content-marketing-defined/) has a 60-second video that is a succinct explanation of why you should regularly create content for your website.
Content overload is impacting our ability to reach prospects. When they see one of our articles, we want it to stand out. This video/transcript from Moz gives some practical advice on creating this type of...
Another excellent video/transcript from Moz on what factors on a web page Google factors in their ranking formula: https://moz.com/blog/google-may-analyze-evaluate-quality-content-whiteboard-friday
Buffer has produced a good article with 95 ideas for blog posts, which you can use as inspiration for coming up with new article ideas.