Free tools · Content analysis
Readability Checker
Flesch Reading Ease and Flesch–Kincaid grade, plus the exact sentences that are dragging the score down.
Naming the long sentences is the useful part — the score alone tells you there is a problem but not where it is.
Related tools
One check is a snapshot. Tracking is the product.
SERP Checker watches your Google positions daily and asks ChatGPT, Claude, Gemini, Perplexity, Copilot and Google AI Overviews the questions your buyers ask — then shows you which answers name a competitor instead of you.
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