40.5 sec in total
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Click here to check amazing China Led content for China. Otherwise, check out these important facts you probably never knew about china-led.net
半导体照明网是国内最早的LED网站,是国家半导体照明工程唯一的网上信息门户。内容覆盖LED政策、LED产业趋势、LED技术交流、LED市场动态、LED产品价格等方面,在国家半导体照明工程协调领导小组办公室指导和成员单位的大力支持下,经过十几年的发展,已成为LED行业最权威的综合性电子商务平台。
Visit china-led.netWe analyzed China-led.net page load time and found that the first response time was 1.3 sec and then it took 39.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
china-led.net performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value8.9 s
1/100
25%
Value8.9 s
15/100
10%
Value20 ms
100/100
30%
Value0.006
100/100
15%
Value11.9 s
16/100
10%
1262 ms
1718 ms
765 ms
1909 ms
768 ms
Our browser made a total of 153 requests to load all elements on the main page. We found that 53% of them (81 requests) were addressed to the original China-led.net, 18% (28 requests) were made to Afp.csbew.com and 7% (10 requests) were made to Ww3.sinaimg.cn. The less responsive or slowest element that took the longest time to load (11.1 sec) relates to the external source Afp.csbew.com.
Page size can be reduced by 480.0 kB (27%)
1.8 MB
1.3 MB
In fact, the total size of China-led.net 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 103.9 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. 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 103.9 kB or 84% of the original size.
Potential reduce by 119.6 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. China Led images are well optimized though.
Potential reduce by 194.6 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 194.6 kB or 64% of the original size.
Potential reduce by 61.9 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. China-led.net needs all CSS files to be minified and compressed as it can save up to 61.9 kB or 80% of the original size.
Number of requests can be reduced by 32 (21%)
150
118
The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Led. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
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china-led.net 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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Definition list items are not wrapped in <dl> elements
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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
china-led.net 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
china-led.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise China-led.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 China-led.net 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.
china-led.net
Open Graph description is not detected on the main page of China Led. 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: