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LiteSpeed

79 reactjs.org Last Updated: 1 month

Success 54% of passed verification steps

Warning 23% of total warning

Errors 23% of total errors, require fast action

Mobile

Performance Desktop Score 100%

Best Practices Desktop Score 100%

SEO Desktop Score 92%

PWA Desktop Score 29%

Performance Mobile Score 90%

Best Practices Mobile Score 100%

SEO Mobile Score 92%

PWA Mobile Score 38%

Page Authority Authority 66%

Domain Authority Domain Authority 85%

Moz Rank 6.6/10

Bounce Rate Rate 0%

Title Tag 5 Characters

REACT

Meta Description 46 Characters

The library for web and native user interfaces

Effective URL 17 Characters

https://react.dev

Excerpt Page content

ReactSupport Ukraine ???????????????? Help Provide Humanitarian Aid to Ukraine.ReactSearch⌘CtrlKLearnReferenceCommunityBlogReactThe library for web and native user interfacesLearn ReactAPI ReferenceCreate user interfaces from componentsReact lets you...

Keywords Cloud Density

react97 conf26 video26 components17 videos15 native14 data7 const7 build7 user6

Keyword Consistency Keyword density is one of the main terms in SEO

Keyword	Freq	Title	Desc	Domain	H1	H2
react	97
conf	26
video	26
components	17
videos	15
native	14
data	7
const	7
build	7
user	6

Google Preview Your look like this in google search result

REACT

https://react.dev

The library for web and native user interfaces

Robots.txt File Detected

http://reactjs.org/robots.txt

Sitemap.xml File No Found

http://reactjs.org/sitemap.xml

Whois Is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system

Updated: 2020-04-28 / 3 years

Create on: 2013-05-29 / 10 years

Expires on: 2022-05-29 / 16 months 6 days

MarkMonitor Inc. ,US

Registrar Whois Server: whois.markmonitor.com

Registrar URL: http://www.markmonitor.com

Nameservers

TINA.NS.CLOUDFLARE.COM

ANIRBAN.NS.CLOUDFLARE.COM

Page Size Code & Text Ratio

Document Size: ~252.23 KB

Code Size: ~242.24 KB

Text Size: ~9.99 KB Ratio: 3.96%

Social Data

Estimation Traffic and Earnings

Unique Visits

Daily

Pages Views

Daily

Income

Daily

224

Unique Visits

Monthly

399

Pages Views

Monthly

Income

Monthly

2,592

Unique Visits

Yearly

4,704

Pages Views

Yearly

Income

Yearly

Technologies

PWA - Manifest

React Docs React

The web app manifest is a simple JSON file that gives you, the developer, the ability to control how your app appears to the user in areas where they would expect to see apps (for example, a mobile device's home screen)

Param name

React Docs

Param short_name

React

Param lang

Param start_url

Param background_color

#20232a

Param theme_color

#20232a

Param display

standalone

Param cacheDigest

f4d46f030265b4c48a05c999b8d93791

Desktop

Speed Index 0.5 s

Speed Index shows how quickly the contents of a page are visibly populated

Total Blocking Time 0 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds

Minimizes main-thread work 0.6 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

Reduce unused CSS Potential savings of 15 KiB

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity

Web app manifest or service worker do not meet the installability requirements 1 reason

Service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. With proper service worker and manifest implementations, browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement

Largest Contentful Paint element 620 ms

This is the largest contentful element painted within the viewport

Avoid long main-thread tasks 1 long task found

Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay

Time to Interactive 0.9 s

Time to Interactive is the amount of time it takes for the page to become fully interactive

Largest Contentful Paint 0.6 s

Largest Contentful Paint marks the time at which the largest text or image is painted

Server Backend Latencies 20 ms

Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance

Properly size images Potential savings of 4 KiB

Serve images that are appropriately-sized to save cellular data and improve load time

JavaScript execution time 0.3 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

Reduce unused JavaScript Potential savings of 209 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity

User Timing marks and measures 4 user timings

Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences

Defer offscreen images Potential savings of 14 KiB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Initial server response time was short Root document took 10 ms

Keep the server response time for the main document short because all other requests depend on it

Minimize third-party usage Third-party code blocked the main thread for 0 ms

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading

Uses efficient cache policy on static assets 0 resources found

A long cache lifetime can speed up repeat visits to your page

First Meaningful Paint 0.5 s

First Meaningful Paint measures when the primary content of a page is visible

Avoid an excessive DOM size 1,720 elements

A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)

Network Round Trip Times 10 ms

Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance

Max Potential First Input Delay 60 ms

The maximum potential First Input Delay that your users could experience is the duration of the longest task

Avoid serving legacy JavaScript to modern browsers Potential savings of 14 KiB

Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers

Avoids enormous network payloads Total size was 767 KiB

Large network payloads cost users real money and are highly correlated with long load times

First Contentful Paint 0.5 s

First Contentful Paint marks the time at which the first text or image is painted

Mobile

Max Potential First Input Delay 200 ms

The maximum potential First Input Delay that your users could experience is the duration of the longest task

Minimize main-thread work 2.2 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First Meaningful Paint 1.1 s

First Meaningful Paint measures when the primary content of a page is visible

Server Backend Latencies 10 ms

Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance

Reduce unused JavaScript Potential savings of 209 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity

Largest Contentful Paint 2.0 s

Largest Contentful Paint marks the time at which the largest text or image is painted

Time to Interactive 4.3 s

Time to Interactive is the amount of time it takes for the page to become fully interactive

Largest Contentful Paint element 2,040 ms

This is the largest contentful element painted within the viewport

Speed Index 1.1 s

Speed Index shows how quickly the contents of a page are visibly populated

User Timing marks and measures 4 user timings

Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences

Uses efficient cache policy on static assets 0 resources found

A long cache lifetime can speed up repeat visits to your page

Minimize third-party usage Third-party code blocked the main thread for 0 ms

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading

Network Round Trip Times 10 ms

Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance

Avoid long main-thread tasks 9 long tasks found

Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay

Total Blocking Time 390 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds

Initial server response time was short Root document took 10 ms

Keep the server response time for the main document short because all other requests depend on it

Tap targets are not sized appropriately 91% appropriately sized tap targets

Interactive elements like buttons and links should be large enough (48x48px), or have enough space around them, to be easy enough to tap without overlapping onto other elements

Avoid an excessive DOM size 1,720 elements

Document uses legible font sizes 99.24% legible text

Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px

JavaScript execution time 1.2 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

Reduce unused CSS Potential savings of 16 KiB

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity

Avoid serving legacy JavaScript to modern browsers Potential savings of 14 KiB

Defer offscreen images Potential savings of 14 KiB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Web app manifest or service worker do not meet the installability requirements 1 reason

Avoids enormous network payloads Total size was 762 KiB

Large network payloads cost users real money and are highly correlated with long load times

First Contentful Paint 1.1 s

First Contentful Paint marks the time at which the first text or image is painted

Speed And Optimization Tips

Website speed has a huge impact on performance, affecting user experience, conversion rates and even rankings. ‪‬‬By reducing page load-times, users are less likely to get distracted and the search engines are more likely to reward you by ranking you

Title Website

Warning! Your title is not optimized

Description Website

Congratulations! Your description is optimized

Robots.txt

Congratulations! Your site have a robots.txt file

Sitemap.xml

Warning! Not found a sitemap file for your website

SSL Secure

Congratulations! Your site have Support to HTTPS

Headings

Congratulations! You are using your H1 and H2 tags in your site

Blacklist

Congratulations! Your site is not listed in a blacklist

W3C Validator

Warning! Your site have errors W3C

Accelerated Mobile Pages (AMP)

Warning! Your site not have AMP Version

Domain Authority

Congratulations! Your Domain Authority is good

GZIP Compress

Warning! Your site not is compressed, this can make slower response for the visitors

Favicon

Warning! Your site not have a favicon

Broken Links

Congratulations! You not have broken links View links

First 20 Links	Relationship	HTTP Status
React	Internal Link	308
Learn	Internal Link	308
Reference	Internal Link	308
Community	Internal Link	308
Blog	Internal Link	308
Add React to your page	Internal Link	308
Get started with a framework	Internal Link	308
React Canaries: Incremental Feature RolloutMay 3, 2023	Internal Link	308
React Labs: March 2023March 22, 2023	Internal Link	308
Introducing react.devMarch 16, 2023	Internal Link	308
React Labs: June 2022June 15, 2022	Internal Link	308
Installation	Internal Link	308
Describing the UI	Internal Link	308
Adding Interactivity	Internal Link	308
Managing State	Internal Link	308
Escape Hatches	Internal Link	308
React DOM APIs	Internal Link	308
Meet the Team	Internal Link	308
Docs Contributors	Internal Link	308
Acknowledgements	Internal Link	308

Alexa Rank

99,999,999

Global Rank

99,999,999

Traffic

Search

Domain Available

Domain (TDL) and Typo	Status
reactjs.co	Already Registered
reactjs.us	Already Registered
reactjs.com	Already Registered
reactjs.org	Already Registered
reactjs.net	Already Registered
ractjs.org	Already Registered
ceactjs.org	Already Registered
feactjs.org	Already Registered

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server

HTTP/1.1 200 OK
Access-Control-Allow-Origin: *
Age: 291487
Cache-Control: public, max-age=0, must-revalidate
Connection: keep-alive
Content-Disposition: inline
Content-Encoding: gzip
Content-Type: text/html; charset=utf-8
Date: Sun, 27 Aug 2023 08:06:29 GMT
Etag: W/"0b96e706f38a9bc75fc34403c85c3d3c"
Server: Vercel
Strict-Transport-Security: max-age=63072000
X-Matched-Path: /
X-Vercel-Cache: HIT
X-Vercel-Id: arn1::6zbf4-1693123589700-b16ee75f665e

DNS Records DNS Resource Records associated with a hostname

View DNS Records

Type	Name	Value	Class	TTL
A	reactjs.org	104.26.9.29	IN	85
A	reactjs.org	104.26.8.29	IN	85
A	reactjs.org	172.67.70.91	IN	85
NS	reactjs.org	anirban.ns.cloudflare.com	IN	86400
NS	reactjs.org	tina.ns.cloudflare.com	IN	86400
TXT	reactjs.org	v=spf1 include:spf.mandrillapp.com include:sparkpostmail.com ~all	IN	300
TXT	reactjs.org	google-site-verification=phixj4WdeUCjzqWQjOkCLkD8y6oeiJbqnCihojcYOWA	IN	300
AAAA	reactjs.org	2606:4700:20::681a:91d	IN	84
AAAA	reactjs.org	2606:4700:20::ac43:465b	IN	84
AAAA	reactjs.org	2606:4700:20::681a:81d	IN	84

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79 reactjs.org Last Updated: 1 month

Desktop

Mobile

Social Data

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Technologies

CloudFlare

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PWA - Manifest

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Mobile

Speed And Optimization Tips

Alexa Rank

99,999,999

99,999,999

Domain Available

Information Server

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