37.6 sec in total
2.3 sec
32.5 sec
2.8 sec
Visit josun.cn now to see the best up-to-date Josun content and also check out these interesting facts you probably never knew about josun.cn
江苏兆胜空调有限公司专业致力于各型船舶、海洋工程、海洋风电平台等特殊空间环境系统解决方案,主要产品涉及特种冷却、组装式空调系统、压缩冷凝机组、立柜式空调、冷藏系统、速冻系统、通风系统、船舶附件、保温材料等,业务涵盖方案设计和咨询、系统研发与销售、现场安装与调试以及售后维护维修,是专业的特殊空间环控系统供应商。
Visit josun.cnWe analyzed Josun.cn page load time and found that the first response time was 2.3 sec and then it took 35.3 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.
josun.cn performance score
name
value
score
weighting
Value7.4 s
1/100
10%
Value11.2 s
0/100
25%
Value23.8 s
0/100
10%
Value13,220 ms
0/100
30%
Value0.208
60/100
15%
Value27.6 s
0/100
10%
2306 ms
798 ms
979 ms
1039 ms
1280 ms
Our browser made a total of 122 requests to load all elements on the main page. We found that 91% of them (111 requests) were addressed to the original Josun.cn, 3% (4 requests) were made to Api.map.baidu.com and 2% (3 requests) were made to Miao.baidu.com. The less responsive or slowest element that took the longest time to load (17.3 sec) belongs to the original domain Josun.cn.
Page size can be reduced by 517.1 kB (8%)
6.5 MB
6.0 MB
In fact, the total size of Josun.cn main page is 6.5 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. 40% of websites need less resources to load. Images take 5.9 MB which makes up the majority of the site volume.
Potential reduce by 152.1 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 88.5 kB, which is 51% 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 152.1 kB or 88% of the original size.
Potential reduce by 56.8 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. Josun images are well optimized though.
Potential reduce by 153.1 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 153.1 kB or 57% of the original size.
Potential reduce by 155.0 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. Josun.cn needs all CSS files to be minified and compressed as it can save up to 155.0 kB or 88% of the original size.
Number of requests can be reduced by 15 (13%)
120
105
The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Josun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
josun.cn
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josun.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.
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
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
Form elements do not have associated labels
Links do not have a discernible name
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.
josun.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
josun.cn 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
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Josun.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 Josun.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.
josun.cn
Open Graph description is not detected on the main page of Josun. 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: