主要信息

ℹ️

标题: React

描述: React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations.

关键词: unknown

页面编码: utf-8

页面文件大小: 266 KB

服务器信息

🖥️

IP: 66.33.60.194

地点: United States,US,,,37.751,-97.822,America/Chicago

HTTP服务器: vercel

编码: utf-8

元标签列表

🏷️

charset: utf-8 head:
name: viewport content: width=device-width, initial-scale=1 head:
name: description content: React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations. head:
property: fb:app_id content: 623268441017527 head:
property: og:type content: website head:
property: og:url content: https://react.dev/ head:
property: og:title content: React head:
property: og:description content: React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations. head:
property: og:image content: https://react.dev/images/og-home.png head:
name: twitter:card content: summary_large_image head:
name: twitter:site content: @reactjs head:
name: twitter:creator content: @reactjs head:
name: twitter:title content: React head:
name: twitter:description content: React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations. head:
name: twitter:image content: https://react.dev/images/og-home.png head:
name: google-site-verification content: sIlAGs48RulR4DdP95YSWNKZIEtCqQmRjzn-Zq-CcD0 head:
name: msapplication-TileColor content: #2b5797
name: theme-color content: #23272f

内部链接

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外部链接

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查询信息

📄

domain_name: react.dev

update_date: 2025-11-27T09:00:28.109Z

update_time: 1764234028

creation_date: 2019-02-19T22:23:10.403Z

creation_time: 1550614990

expiration_date: 2027-02-19T22:23:10.403Z

Whois 原始数据

📋

            Domain Name: REACT.DEV
Registrar: RegistrarSEC, LLC
Domain Status: client delete prohibited
Domain Status: client transfer prohibited
Domain Status: client update prohibited
Creation Date: 2019-02-19T22:23:10.403Z
Registry Expiry Date: 2027-02-19T22:23:10.403Z
Updated Date: 2025-11-27T09:00:28.109Z
Name Server: EDNA.NS.CLOUDFLARE.COM
Name Server: NORM.NS.CLOUDFLARE.COM
REGISTRAR Contact: RegistrarSEC, LLC
>>> Last update of RDAP database: 2026-01-25T19:30:00Z

Robots.txt

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			User-agent: *
Disallow:

搜索引擎优化审核

🔍

技术搜索引擎优化

✓

响应码

200

状态 200 正常 - 页面加载正确。

✓

字符编码

Page: utf-8, Header: utf-8

HTML 和标头之间的字符编码一致。

✓

页面尺寸

272543 bytes

页面大小可以接受快速加载。

!

资源

108 total

资源太多了。优化和组合文件以获得更好的性能。

✓

赫尔夫朗标签

8 hreflang tags

为多语言 SEO 找到的 Hreflang 标签。

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Robots.txt

Exists

找到 Robots.txt 文件。

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Sitemap

Not found

添加 sitemap.xml 并在 robots.txt 中引用它。

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HTTPS

Yes

已启用安全 HTTPS 连接。

!

压缩

br

启用 gzip 或 zstd 压缩以减小文件大小。

✓

缓存

public, max-age=0, must-revalidate

正确设置缓存控制标头。

✓

页面速度

0.53 ms

出色的加载速度。

页面搜索引擎优化

!

标题

React

标题太短。扩展到 30-60 个字符以获得更好的 SEO。

!

元描述

React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations. Lenght:260

元描述太长。减少到 100-160 个字符。

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H1 标题

2 found - "React"

每页仅使用一个 H1 标题。删除多余的 H1 标签。

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字数统计

785

内容长度良好（建议 500-2000 字）。

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规范标签

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重复元

[]

未找到重复的元标记。

✓

关键词

unknown

元关键字集（注：主要搜索引擎不使用）。

内容和用户体验

✓

语言

en

语言属性设置正确。

!

图片

35 total, 24 missing ALT

将 ALT 文本添加到图像中以实现可访问性和 SEO。

✓

视口

width=device-width, initial-scale=1

为移动设备正确设置视口元标记。

✓

打开图

All OG tags present.

存在所有必要的 OpenGraph 标签。

!

结构化数据

0 JSON-LD scripts

添加结构化数据 (JSON-LD) 以获取丰富的代码片段和更好的 SEO。

搜索短语 - Google

🔍

位置	短语	页	片段
1	use event	/reference/react/useEffectEvent	useEffectEvent useEffectEvent is a React Hook that lets you extract non-reactive logic from your Effects into a reusable function called an Effect Event. ... Use for non- ...
1	react	/	React React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript.
2	are read	/	React React lets you build user interfaces out of individual pieces called components. Create your own React components like Thumbnail, LikeButton, and Video.
4	input content	/reference/react-dom/components/input	– React To display an input, render an component. By default, it will be a text input. You can pass type="checkbox" for a checkbox, type="radio" for a radio ...
7	children 2	/reference/react/Children	Children Children lets you manipulate and transform the JSX you received as the children prop. const mappedChildren = Children.map(children, child => 9	form use	/reference/react-dom/components/form	form The built-in browser < form > component lets you create interactive controls for submitting information.
11	html components	/reference/react-dom/components	React DOM Components React supports all of the browser built-in HTML and SVG components . Common components All of the built-in browser components support some props and events.
12	html ref	/learn/referencing-values-with-refs	Referencing Values with Refs When you want a component to “remember” some information, but you don't want that information to trigger new renders, you can use a ref . You will learn. How to ...
14	imgur com	/learn/writing-markup-with-jsx	Writing Markup with JSX JSX is a syntax extension for JavaScript that lets you write HTML-like markup inside a JavaScript file. Although there are other ways to write components, ...
16	javascript view	/	React React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript.

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react.dev

react.dev 网站截图

主要信息

服务器信息

元标签列表

内部链接

外部链接

查询信息

Whois 原始数据

Robots.txt

搜索引擎优化审核

技术搜索引擎优化

页面搜索引擎优化

内容和用户体验

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搜索短语 - Google

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