🔑 关键词密度Keyword Tool

使用说明与常见问题How-to & FAQ

「关键词密度」是什么？What is the Keyword Tool tool?

统计文本中的词频和关键词密度：支持多词短语、中文分词，don't 这样的缩写算一个词。本地处理。Count word frequency and keyword density: multi-word phrases, Chinese word segmentation, and contractions such as don't count as one word. Processed locally.

如何使用「关键词密度」？How do I use the Keyword Tool tool?

在「关键词密度」中，按需设置「关注词或短语（可选）」等选项，然后点击「分析」按钮即可。In the Keyword Tool: Set "Focus word or phrase (optional)", then click "Analyze".

SEO？SEO?

本地词频统计，不连接搜索引擎，也没有搜索量或推荐词。Local frequency only — no search-engine calls, search volumes or suggestions.

怎么分词？How are words counted?

英文等按字母和数字分词，don't、it’s 这类缩写算一个词；中文用浏览器自带的分词（Intl.Segmenter），不支持时按单字计；大小写不区分，标点不计。Latin-script text is split on letters and digits, and contractions such as don't or it's count as one word; Chinese uses the browser's built-in word segmenter (Intl.Segmenter), or single characters where it isn't available. Case is ignored and punctuation isn't counted.

多词短语？Multi-word phrases?

可以在「关注词或短语」里输入 new york 这样的短语，按连续出现的词序列计数；短语密度 = 次数 × 短语词数 ÷ 总词数。Type a phrase such as new york into Focus word or phrase; it counts consecutive matches of that word sequence, and phrase density = count × words in the phrase ÷ total words.

有哪些选项可以调整？What options can I adjust?

「关键词密度」的设置：「关注词或短语（可选）」可留空。每次生成结果都按当前设置处理。Settings in the Keyword Tool — "Focus word or phrase (optional)" optional. The result always uses the current settings.

需要联网吗？Does it need an internet connection?

不需要。「关键词密度」的解析和计算都在浏览器本地完成，不会向任何服务器发送请求。No. The Keyword Tool parses and calculates entirely in your browser and sends no network requests.

「关键词密度」免费吗？需要注册吗？Is the Keyword Tool free? Do I need an account?

「关键词密度」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Keyword Tool is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.