キーワード密度分析ツール
商品説明文のキーワード密度をAIが分析し、SEO最適化に必要な調整を提案します。過剰・不足のキーワードを検出します。
Density Report
5.3%
wireless headphones
0
⚠️ Over-stuffed
2.1% ✓
noise cancelling
機能
Density Calculation
AI calculates exact keyword density for primary, secondary, and long-tail keywords across title, description, and meta fields.
Optimal Range Guidance
Shows where you are vs where you should be: "Primary keyword at 2.1% — optimal range is 1.5-2.5% ✓" — actionable clarity.
Over-Stuffing Alerts
Flags keywords that appear unnaturally often: "'wireless headphones' appears 8 times in 150 words — reduce to 3-4 for natural flow."
Competitor Density Comparison
Compare your keyword density against top-ranking competitor listings to match winning patterns.
使い方
Select Content
Choose products or paste descriptions to analyze.
Define Target Keywords
Enter primary and secondary keywords to track.
Get Density Report
See exact percentages, natural placement score, and optimization suggestions.
実例を見る
Density Analysis
Input
Description with "wireless headphones" appearing 8 times in 150 words
Output
Keyword Density Report: "wireless headphones" — 5.3% ⚠️ Over-stuffed (optimal: 1.5-2.5%) "noise cancelling" — 2.1% ✓ Optimal "bluetooth" — 1.3% ✓ Good "sony" — 0.7% ⚠️ Low (consider +1 mention) Recommendation: Reduce "wireless headphones" from 8 to 4 mentions. Replace excess with synonyms: "cordless earphones", "Bluetooth headset"
よくある質問
What is optimal keyword density?
Generally 1.5-2.5% for primary keywords in product descriptions. AI adjusts recommendations based on content length and category.
Does it detect keyword stuffing?
Yes. Flags any keyword exceeding 3% density with specific reduction suggestions and synonym alternatives.
関連ツール
Optimize Your Keyword Usage
Analyze and perfect your keyword density. Free tool.