16.2 sec in total
4.7 sec
11.3 sec
193 ms
Welcome to jlwarm.cn homepage info - get ready to check Jlwarm best content right away, or after learning these important things about jlwarm.cn
吉林沃尔姆暖通设备有限公司是专业从事燃气供暖设备、燃气壁挂炉、冷凝式模块锅炉、钢制及铜铝散热器及其相关零配件的研制、开发、生产、销售与服务为一体的高新技术企业。
Visit jlwarm.cnWe analyzed Jlwarm.cn page load time and found that the first response time was 4.7 sec and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
jlwarm.cn performance score
name
value
score
weighting
Value1.9 s
88/100
10%
Value1.9 s
98/100
25%
Value7.6 s
26/100
10%
Value30 ms
100/100
30%
Value0.001
100/100
15%
Value1.9 s
100/100
10%
4739 ms
1250 ms
4609 ms
644 ms
3156 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 91% of them (39 requests) were addressed to the original Jlwarm.cn, 2% (1 request) were made to Js.users.51.la and 2% (1 request) were made to Sfhelp.baidu.com. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain Jlwarm.cn.
Page size can be reduced by 40.0 kB (17%)
239.2 kB
199.2 kB
In fact, the total size of Jlwarm.cn main page is 239.2 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. Only 10% of websites need less resources to load. Images take 207.7 kB which makes up the majority of the site volume.
Potential reduce by 22.1 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. 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 22.1 kB or 75% of the original size.
Potential reduce by 16.6 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. Jlwarm images are well optimized though.
Potential reduce by 1.2 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 1.2 kB or 61% of the original size.
Potential reduce by 104 B
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. Jlwarm.cn needs all CSS files to be minified and compressed as it can save up to 104 B or 56% of the original size.
Number of requests can be reduced by 13 (31%)
42
29
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jlwarm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
jlwarm.cn
4739 ms
css.css
1250 ms
logo.jpg
4609 ms
biaoti1.gif
644 ms
xxd.jpg
3156 ms
anzh-.jpg
3172 ms
about.jpg
3224 ms
biaoti1_bg.gif
1253 ms
zxdt.asp
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zj-.jpg
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zhzh-.jpg
1976 ms
lan.jpg
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lv.jpg
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fc.jpg
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hbs.jpg
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2824381.js
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icon_9.gif
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jlwarm.cn accessibility score
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.
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
<object> elements do not have alternate text
jlwarm.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
jlwarm.cn SEO score
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
Document uses plugins
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jlwarm.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 Jlwarm.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
jlwarm.cn
Open Graph description is not detected on the main page of Jlwarm. 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: