What This Means

The page's main body text scores in the "Very Difficult" readability band — the most challenging category. This corresponds approximately to a Flesch-Kincaid Grade Level of 16 or higher (post-graduate level) or a Flesch Reading Ease score below 30. The text reads like dense academic, legal, or highly technical prose.

Why It Matters for SEO

Very difficult content is accessible only to readers with significant subject-matter expertise and high literacy in the specific domain. For general web audiences — including many professionals — this level of complexity creates substantial barriers to engagement. Even readers who persist through the content are likely to remember less, because the working memory required to parse the sentences leaves less capacity for the meaning.

Unlike "Difficult" content which may be appropriate for professional audiences, "Very Difficult" content almost always benefits from revision — even for expert audiences. The purpose of complex content is to convey complex ideas accurately, not to signal expertise through sentence complexity.

What the Platform Checks

The same readability analysis as the "Difficult" check, applied at a stricter threshold. Fires when the score falls in the "Very Difficult" band, representing the most severe readability issues in the content.

How to Fix It

Very Difficult content typically requires meaningful structural revision, not just vocabulary substitution:

  • Sentence length is the highest-impact variable. Find sentences over 30 words and split them — this alone typically improves scores significantly.
  • One idea per sentence. Remove subordinate clauses that chain multiple ideas into one sentence.
  • Define terms on first use. Technical jargon without definition is a primary source of difficulty for non-specialists.
  • Lead with the conclusion. Put the key point first, then support it — readers should not have to reach the end of a paragraph to understand its purpose.
  • Use numbered lists for process steps. Sequential steps buried in prose are much harder to follow than a numbered list.

For content that must be technically dense: add a plain-language executive summary at the top, use the detailed prose in the body for readers who need the depth, and use a reading level calculator to verify the improvement before publishing.

Find every hard-to-readpage across your content

The audit identifies pages with the most severe readability issues first so you can prioritize the content that most needs revision.