8.6 sec in total
703 ms
6.8 sec
1.2 sec
Visit led-u.com now to see the best up-to-date Led U content and also check out these interesting facts you probably never knew about led-u.com
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Visit led-u.comWe analyzed Led-u.com page load time and found that the first response time was 703 ms and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
led-u.com performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value15.4 s
0/100
25%
Value12.7 s
3/100
10%
Value260 ms
83/100
30%
Value0.673
8/100
15%
Value11.8 s
17/100
10%
703 ms
2072 ms
302 ms
510 ms
507 ms
Our browser made a total of 76 requests to load all elements on the main page. We found that 54% of them (41 requests) were addressed to the original Led-u.com, 38% (29 requests) were made to Www-x-led-u-x-com.img.addlink.cn and 7% (5 requests) were made to T1.mylivechat.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Www-x-led-u-x-com.img.addlink.cn.
Page size can be reduced by 67.5 kB (4%)
1.8 MB
1.8 MB
In fact, the total size of Led-u.com main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 51.9 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. This page needs HTML code to be minified as it can gain 23.2 kB, which is 40% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 51.9 kB or 90% of the original size.
Potential reduce by 12.9 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Led U images are well optimized though.
Potential reduce by 534 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 2.1 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. Led-u.com needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 16% of the original size.
Number of requests can be reduced by 23 (52%)
44
21
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Led U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
led-u.com
703 ms
www.led-u.com
2072 ms
swiper-bundle.min.css
302 ms
index.css
510 ms
reset.css
507 ms
header.css
525 ms
footer.css
527 ms
vue.min.js
1072 ms
jquery-1.8.3.min.js
856 ms
swiper-bundle.js
1164 ms
Navigation.js
819 ms
common.js
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650 ms
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led-u.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
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>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
led-u.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
led-u.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
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Led-u.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 Led-u.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.
led-u.com
Open Graph description is not detected on the main page of Led U. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: