16.6 sec in total
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Welcome to jac.com.cn homepage info - get ready to check Jac best content for China right away, or after learning these important things about jac.com.cn
jac
Visit jac.com.cnWe analyzed Jac.com.cn page load time and found that the first response time was 1.6 sec and then it took 15 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
jac.com.cn performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value16.5 s
0/100
25%
Value12.9 s
2/100
10%
Value230 ms
86/100
30%
Value0.547
13/100
15%
Value21.7 s
1/100
10%
1633 ms
263 ms
500 ms
677 ms
691 ms
Our browser made a total of 168 requests to load all elements on the main page. We found that 96% of them (161 requests) were addressed to the original Jac.com.cn, 1% (2 requests) were made to Ssl.google-analytics.com and 1% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (5.6 sec) belongs to the original domain Jac.com.cn.
Page size can be reduced by 1.5 MB (1%)
132.3 MB
130.8 MB
In fact, the total size of Jac.com.cn main page is 132.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 131.8 MB which makes up the majority of the site volume.
Potential reduce by 174.6 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 79.4 kB, which is 42% 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 174.6 kB or 92% of the original size.
Potential reduce by 1.2 MB
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. Jac images are well optimized though.
Potential reduce by 96.6 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 96.6 kB or 61% of the original size.
Potential reduce by 53.2 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. Jac.com.cn needs all CSS files to be minified and compressed as it can save up to 53.2 kB or 59% of the original size.
Number of requests can be reduced by 24 (15%)
161
137
The browser has sent 161 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
www.jac.com.cn
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init.css
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reset.css
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idangerous.swiper2.7.6.css
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jac.com.cn 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
jac.com.cn 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
jac.com.cn 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
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 doesn't use legible font sizes
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jac.com.cn 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 Jac.com.cn 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.
jac.com.cn
Open Graph description is not detected on the main page of Jac. 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: