How to check text for SEO: tools and metrics
Checking text for SEO uses 5 metrics: uniqueness (Copyscape — must be 85%+), keyword density (SEO tools — must be low), filler words (Hemingway-style editors, score 7+), readability (Flesch reading ease 60+), intent match (manually compare with top-10 Google). In 2026 added: AI-generation detection (GPTZero, Originality.ai), but accuracy is 60–70%.
Checking SEO text uses 5 key metrics: uniqueness, keyword stuffing, filler words, readability, intent match. No tool replaces manual review — they only flag potential issues.
5 metrics
- Uniqueness — Copyscape, 85%+.
- Keyword density — SEO tools, each keyword ≤2%.
- Filler words — Hemingway Editor, clean writing.
- Readability — Flesch Reading Ease 60+.
- Intent match — manually compare with top-10 Google.
2026 addition: AI detection
- GPTZero, Originality.ai detect AI generation.
- Accuracy 60–70%, false positives possible.
- Google doesn't penalize AI directly, but penalizes low quality.
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- •how to check text for seo
- •seo content checker
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