1.9 sec in total
220 ms
1.2 sec
488 ms
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Visit reactnative.comWe 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.
reactnative.com performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value2.9 s
81/100
25%
Value2.9 s
95/100
10%
Value130 ms
96/100
30%
Value0.023
100/100
15%
Value5.1 s
76/100
10%
220 ms
239 ms
5 ms
29 ms
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 size can be reduced by 464.9 kB (72%)
649.7 kB
184.8 kB
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.
Potential reduce by 17.0 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.
Potential reduce by 245.7 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.
Potential reduce by 202.2 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.
Number of requests can be reduced by 12 (75%)
16
4
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.
reactnative.com
220 ms
www.reactnative.com
239 ms
style.css
5 ms
prism.css
29 ms
reactnative.css
28 ms
jquery-1.11.3.min.js
31 ms
widgets.js
225 ms
scripts.min.js
25 ms
prism.js
24 ms
css
55 ms
analytics.js
166 ms
DmZEWOumVIE
119 ms
gk5FxslNkTTHtojXrkp-xONSK5BxN3NFS4EJkViHIqo.woff
60 ms
northemes-icons.woff
56 ms
collect
22 ms
www-embed-player-vflQrT_sR.css
75 ms
www-embed-player.js
101 ms
base.js
173 ms
6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js
31 ms
ad_status.js
37 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
90 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
99 ms
reactnative.com accessibility score
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
[role] values are not valid
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
reactnative.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
reactnative.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
N/A
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.
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: