Most of SEO and social influence  being fruitful for the average church is intentionality on the backend of your website. These tools may be the means to build and track what is seen and shared and beyond, but creating 'share worthy' content is crucial to these tools actually being useful. These plugins, particularly the SEO and sharing ones, won't really help if you aren't telling stories and crafting sermons that aren't worth sharing. Content is still king, guys.