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difficulty
4 plugin
Article Difficulty LevelThrough this plugin, user can able to select the post difficulty level in admin dash board post area for each post.
Degree of Difficulty for SenseiSensei LMS add-on to set and display the degree of difficulty of a course.
Keyword Difficulty ToolBe smart, competitive keywords are hard to rank, let's find an easier one.
Difficulty TaxonomyThe Difficulty Taxonomy plugin adds a basic taxonomy for sorting posts into different difficulties.