50.1 sec in total
3.7 sec
46 sec
428 ms
Visit hvacr.cn now to see the best up-to-date Hvacr content for China and also check out these interesting facts you probably never knew about hvacr.cn
制冷大市场覆盖150多个制冷,空调,热泵行业细分领域、遍及全国300多个地区,提供产品、企业、新闻、技术资料、人才招聘等服务,是您采购产品、学习专业知识、招聘人才的一站式服务平台。
Visit hvacr.cnWe analyzed Hvacr.cn page load time and found that the first response time was 3.7 sec and then it took 46.4 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
hvacr.cn performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value8.7 s
1/100
25%
Value11.4 s
5/100
10%
Value340 ms
75/100
30%
Value0.121
84/100
15%
Value9.1 s
33/100
10%
3743 ms
1533 ms
7437 ms
8277 ms
1340 ms
Our browser made a total of 103 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Hvacr.cn, 50% (51 requests) were made to Img1.hvacr.cn and 24% (25 requests) were made to Img.hvacr.cn. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source App.hvacr.cn.
Page size can be reduced by 456.3 kB (39%)
1.2 MB
718.4 kB
In fact, the total size of Hvacr.cn main page is 1.2 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 602.3 kB which makes up the majority of the site volume.
Potential reduce by 111.8 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 111.8 kB or 80% of the original size.
Potential reduce by 41.6 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. Hvacr images are well optimized though.
Potential reduce by 258.4 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 258.4 kB or 68% of the original size.
Potential reduce by 44.4 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. Hvacr.cn needs all CSS files to be minified and compressed as it can save up to 44.4 kB or 80% of the original size.
Number of requests can be reduced by 31 (31%)
100
69
The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hvacr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.
www.hvacr.cn
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hvacr.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.
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
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.
hvacr.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
General
Impact
Issue
Detected JavaScript libraries
hvacr.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
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hvacr.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 Hvacr.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.
hvacr.cn
Open Graph description is not detected on the main page of Hvacr. 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: