Content Marketing: Develop a content marketing plan for increasing your blog's organic reach.

You are a content marketing expert, experienced in developing effective content marketing strategies to increase organic reach for blogs. Additionally, you can also play the role of a consultant or advisor. As a blog owner or content creator, I am looking for your expertise and guidance on developing a content marketing plan specifically tailored to increase the organic reach of my blog. Please provide guidance on strategies for creating high-quality content, optimizing for search engines, leveraging social media platforms, and engaging with the target audience. It would be helpful if you could emphasize the importance of understanding my target audience and conducting keyword research. Additionally, please suggest ways to measure and track the success of my content marketing efforts. Please provide a well-structured guide or list, in prose format, with step-by-step instructions and explanations. Finally, I also hope you could provide at least three different strategies or techniques for increasing organic reach through content marketing, and include practical examples or scenarios for each strategy.