react.dev
Registered
Page analyze update date:
2026/03/31 10:12:48
Last whois update date:
2026/01/25 16:30:00
Domain Status
Registered
Paid till
19.02.2027
Available from
21.03.2027
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![Fullscreen website screenshot]()
react.dev Website screenshot
SEO Score
56.16%
82
Score achieved
146
Maximum score
Main Information
Title: React
Description: 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.
Keywords: unknown
Page Encoding:
utf-8
Page Filesize: 266 KB
Server Information
IP: 66.33.60.194
Location: United States,US,,,37.751,-97.822,America/Chicago
Http Server: vercel
Encoding: utf-8
Meta Tags List
- 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
Internal Links
External Links
Whois Information
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 Raw Data
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
User-agent: *
Disallow:
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
272543 bytes
Page size acceptable for fast loading.
!
Resources
108 total
Too many resources. Optimize and combine files for better performance.
✓
Hreflang Tags
8 hreflang tags
Hreflang tags found for multilingual SEO.
✓
Robots.txt
Exists
Robots.txt file found.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
!
Compression
br
Enable gzip or zstd compression to reduce file sizes.
✓
Caching
public, max-age=0, must-revalidate
Cache-control headers properly set.
✓
Page Speed
0.53 ms
Excellent loading speed.
On-Page SEO
!
Title
React
Title too short. Expand to 30-60 characters for better SEO.
!
Meta Description
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
Meta description too long. Reduce to 100-160 characters.
!
H1 Heading
2 found - "React"
Use only one H1 heading per page. Remove extra H1 tags.
✓
Word Count
785
Good content length (500-2000 words recommended).
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
unknown
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
!
Images
35 total, 24 missing ALT
Add ALT text to images for accessibility and SEO.
✓
Viewport
width=device-width, initial-scale=1
Viewport meta tag properly set for mobile devices.
✓
Open Graph
All OG tags present.
All essential OpenGraph tags present.
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet | |||
|---|---|---|---|---|---|---|
| 1 | /reference/react/useEffectEvent | |||||
| 1 | / | |||||
| 2 | / | |||||
| 4 | /reference/react-dom/components/input | |||||
| 7 | /reference/react/Children | /reference/react-dom/components/form | ||||
| 11 | /reference/react-dom/components | |||||
| 12 | /learn/referencing-values-with-refs | |||||
| 14 | /learn/writing-markup-with-jsx | |||||
| 16 | / |