You may already have an SEO plugin installed, but you may now switch to ExpressCurate. By default the SEO enhancements is disabled to make sure there is no conflict between two SEO plugins. Before you enable ExpressCurate, make sure you disable the other plugin.

Open ExpressCurate > Settings > General, enable SEO Enhancements (put the state to on)

seo enhance on

Open a post. You will now see two widgets SEO Control Center

seo control center

and Advanced SEO Settings.

Define a keyword you want to optimize your post for and write a short description that will appear in SERPs.

seo control center

Navigate to advanced settings. Define the SEO enhanced title. Open the Social tab and make sure to define "sharable" meta information.

advanced seo general advanced seo social

Open the Post Analysis. Check for other improvement suggestions.

advanced seo post analysis