You can use a hitcount or analytcs plugins: I can recommend are GA and GoStats for WordPress (https://wordpress.org/plugins/gostats-for-wordpress/)
If you need help with the tools, check with the sites both gostats and GA have great analytics help on their sites FAQs section. If you need help with ROI and conversion feel free to check various marketeers blogs.
GA along with gostats are very good tools for tracking page views on the site.
Bounce rate is measured as number of people leaving your website from the first page itself by either using back button or closing it. You can measure this using available analytics programs. One I can suggest is https://wordpress.org/plugins/gostats-for-wordpress/
