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reactnative.com screenshot

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

reactnative.com

Use React Native

Page Load Speed

1.9 sec in total

First Response

220 ms

Resources Loaded

1.2 sec

Page Rendered

488 ms

reactnative.com screenshot

About Website

Click here to check amazing React Native content for India. Otherwise, check out these important facts you probably never knew about reactnative.com

Use React Native

Visit reactnative.com

Key Findings

We analyzed Reactnative.com page load time and found that the first response time was 220 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

reactnative.com performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value5.1 s

76/100

10%

Network Requests Diagram

reactnative.com

220 ms

www.reactnative.com

239 ms

style.css

5 ms

prism.css

29 ms

reactnative.css

28 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 36% of them (8 requests) were addressed to the original Reactnative.com, 14% (3 requests) were made to Fonts.gstatic.com and 14% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (239 ms) belongs to the original domain Reactnative.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 464.9 kB (72%)

Content Size

649.7 kB

After Optimization

184.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Reactnative.com main page is 649.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 383.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 17.0 kB

  • Original 22.8 kB
  • After minification 22.7 kB
  • After compression 5.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 17.0 kB or 75% of the original size.

JavaScript Optimization

-64%

Potential reduce by 245.7 kB

  • Original 383.5 kB
  • After minification 383.4 kB
  • After compression 137.8 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 245.7 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 202.2 kB

  • Original 243.5 kB
  • After minification 243.4 kB
  • After compression 41.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Reactnative.com needs all CSS files to be minified and compressed as it can save up to 202.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (75%)

Requests Now

16

After Optimization

4

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of React Native. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

reactnative.com

reactnative.com

220 ms

www.reactnative.com

www.reactnative.com

239 ms

style.css

style.css

5 ms

prism.css

prism.css

29 ms

reactnative.css

reactnative.css

28 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

31 ms

widgets.js

widgets.js

225 ms

scripts.min.js

scripts.min.js

25 ms

prism.js

prism.js

24 ms

css

css

55 ms

analytics.js

analytics.js

166 ms

DmZEWOumVIE

DmZEWOumVIE

119 ms

gk5FxslNkTTHtojXrkp-xONSK5BxN3NFS4EJkViHIqo.woff

gk5FxslNkTTHtojXrkp-xONSK5BxN3NFS4EJkViHIqo.woff

60 ms

northemes-icons.woff

northemes-icons.woff

56 ms

collect

collect

22 ms

www-embed-player-vflQrT_sR.css

www-embed-player-vflQrT_sR.css

75 ms

www-embed-player.js

www-embed-player.js

101 ms

base.js

base.js

173 ms

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

31 ms

ad_status.js

ad_status.js

37 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

90 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

99 ms

Accessibility Review

reactnative.com accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role] values are not valid

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

reactnative.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

reactnative.com SEO score

82

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reactnative.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Reactnative.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

reactnative.com

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: