关键词密度分析工具

找出任意文本中出现频率最高的关键词。查看密度百分比，在不堆砌关键词的前提下优化SEO。

如何使用本工具

1
Paste or type your content into the text box.
2
Read the total word count shown above the results table.
3
Scan the ranked table of the top 30 words, each with its count and density percentage.
4
Edit your content and watch the table update live as you type.

关键词密度是指目标关键词相对于页面总词数的占比，以百分比表示。现代SEO不会奖励关键词堆砌：Google的算法能够检测出不自然的密度并加以惩罚。理想区间通常在主关键词的0.5%到2%之间。本工具会忽略常见的停用词，并显示出现频率最高的30个词，帮助你发现那些不经意间被过度使用的短语。

Checking a blog post before publishing to see whether your target keyword actually appears prominently.
Catching unintentional repetition, such as a brand name or filler word you leaned on too heavily.
Comparing two drafts to see which one foregrounds your main topic more clearly.
Quickly profiling a competitor's article you pasted in, to see which terms they emphasize.
Tightening product descriptions where a single word has crept in far more often than intended.
Teaching writing or SEO basics by showing live how word frequency shifts as text is edited.

理想的关键词密度是多少？▼

没有神奇的数字。请为你的读者自然地写作。如果你的主关键词出现的频率在0.5%到2%之间，通常就没问题。