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I would suggest to to find out how visitors get to these pages that have high bounce rates. Perhaps they end up there via search terms that are not relevant enough. If that is not the case then you need to go into the content. Is it clear enough, do you have good products images and are they big enough. You could consider asking people that leave a page to answer 3 simple questions (there are tools for that) and find out why they left the page.

Good luck!

Hi Hardley,

I would suggest to get in contact with the blogger. Start communication and if the blog is relevant to you it might be that your site / services or products are relevant to the blog as well. Try to find a way to get him to write about you or ask if you can provide him with a good guest blog post. It is time consuming but it will pay off at the end.

Good luck!