關鍵字密度分析器會統計文字中每個詞彙的出現次數，並計算各關鍵字相對於總字數的佔比。對於需要確保關鍵字合理分布、避免過度堆砌的 SEO 內容撰寫者而言，這是不可或缺的工具。
您撰寫了一篇 1,500 字關於「永續園藝」的部落格文章，需要確認目標關鍵字的密度在 1-2% 之間（出現 15-30 次），同時找出是否無意中過度使用了某些填充詞。
分析文字中的詞頻與關鍵字密度
| 排名 | |||
|---|---|---|---|
| 1 | seo | 5 | 7.14% |
| 2 | traffic | 4 | 5.71% |
| 3 | search | 3 | 4.29% |
| 4 | optimization | 3 | 4.29% |
| 5 | engine | 2 | 2.86% |
| 6 | website | 2 | 2.86% |
| 7 | keyword | 2 | 2.86% |
| 8 | content | 2 | 2.86% |
| 9 | process | 1 | 1.43% |
| 10 | improving | 1 | 1.43% |
| 11 | quality | 1 | 1.43% |
| 12 | quantity | 1 | 1.43% |
| 13 | web | 1 | 1.43% |
| 14 | page | 1 | 1.43% |
| 15 | engines | 1 | 1.43% |
| 16 | targets | 1 | 1.43% |
| 17 | unpaid | 1 | 1.43% |
| 18 | rather | 1 | 1.43% |
| 19 | direct | 1 | 1.43% |
| 20 | paid | 1 | 1.43% |
| 21 | involves | 1 | 1.43% |
| 22 | research | 1 | 1.43% |
| 23 | link | 1 | 1.43% |
| 24 | building | 1 | 1.43% |
| 25 | effective | 1 | 1.43% |
| 26 | strategies | 1 | 1.43% |
| 27 | help | 1 | 1.43% |
| 28 | websites | 1 | 1.43% |
| 29 | rank | 1 | 1.43% |
| 30 | higher | 1 | 1.43% |
| 31 | results | 1 | 1.43% |
| 32 | pages | 1 | 1.43% |
| 33 | understanding | 1 | 1.43% |
| 34 | density | 1 | 1.43% |
| 35 | important | 1 | 1.43% |
| 36 | part | 1 | 1.43% |
