📖 英文可读性评分（Flesch）Readability Score Checker (Flesch)
计算英文文本的 Flesch 阅读易度、Flesch-Kincaid 年级、Gunning Fog 指数和平均句长。Flesch Reading Ease, Flesch-Kincaid grade, Gunning Fog index and sentence stats for English text.
使用说明与常见问题How-to & FAQ
「英文可读性评分（Flesch）」是什么？What is the Readability Score Checker (Flesch)?
计算英文文本的 Flesch 阅读易度、Flesch-Kincaid 年级、Gunning Fog 指数和平均句长。Flesch Reading Ease, Flesch-Kincaid grade, Gunning Fog index and sentence stats for English text.
如何使用「英文可读性评分（Flesch）」？How do I use the Readability Score Checker (Flesch)?
在「英文可读性评分（Flesch）」中，填写上方字段等参数，结果会随输入实时计算并显示在下方。In the Readability Score Checker (Flesch): Fill in the fields above; results are recalculated instantly as you type.
处理大段文本会卡吗？Can it handle long text?
「英文可读性评分（Flesch）」在浏览器中直接处理，几 MB 以内的文本通常瞬间完成；文本不会离开你的设备。The Readability Score Checker (Flesch) runs in your browser; text up to a few MB is usually processed instantly and never leaves your device.
「英文可读性评分（Flesch）」免费吗？需要注册吗？Is the Readability Score Checker (Flesch) free? Do I need an account?
「英文可读性评分（Flesch）」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 Readability Score Checker (Flesch) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.