39 sec in total
6.5 sec
32.2 sec
328 ms
Welcome to hdcjj.com homepage info - get ready to check Hdcjj best content right away, or after learning these important things about hdcjj.com
专业从事高压开关、高压开关完善化、高压开关配件研制和生产的qy球友会。
Visit hdcjj.comWe analyzed Hdcjj.com page load time and found that the first response time was 6.5 sec and then it took 32.5 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 were 10 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
hdcjj.com performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value3.8 s
54/100
25%
Value4.7 s
69/100
10%
Value220 ms
87/100
30%
Value0
100/100
15%
Value54.5 s
0/100
10%
6529 ms
1377 ms
741 ms
19790 ms
602 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 86% of them (30 requests) were addressed to the original Hdcjj.com, 6% (2 requests) were made to Dcs.conac.cn and 3% (1 request) were made to Beian.gov.cn. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Hdcjj.com.
Page size can be reduced by 113.0 kB (74%)
153.2 kB
40.2 kB
In fact, the total size of Hdcjj.com main page is 153.2 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 5% of websites need less resources to load. HTML takes 78.1 kB which makes up the majority of the site volume.
Potential reduce by 68.6 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 12.2 kB, which is 16% 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 68.6 kB or 88% of the original size.
Potential reduce by 15.0 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. Obviously, Hdcjj needs image optimization as it can save up to 15.0 kB or 50% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 21.7 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 21.7 kB or 61% of the original size.
Potential reduce by 7.6 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. Hdcjj.com needs all CSS files to be minified and compressed as it can save up to 7.6 kB or 80% of the original size.
Number of requests can be reduced by 11 (46%)
24
13
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hdcjj. 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.
index.html
6529 ms
index.css
1377 ms
foot.js
741 ms
bj.jpg
19790 ms
index_01.gif
602 ms
s02.gif
1053 ms
s03.gif
1054 ms
s05.gif
1169 ms
s04.gif
3000 ms
zxts-l.jpg
5944 ms
zxts-c.jpg
1768 ms
zxts-r.jpg
10179 ms
tpxw-titleBg.jpg
4335 ms
titbj.jpg
9533 ms
icon_dot02.gif
4056 ms
titbj2.gif
4073 ms
icon_dot03.gif
4545 ms
tit2bj.jpg
10938 ms
tit2bj.gif
6993 ms
bb-lzwh.jpg
20475 ms
bb-cxda.jpg
17139 ms
bb-rf.jpg
20135 ms
bb-fwzn.jpg
20474 ms
bb-lggz.jpg
20474 ms
bb-zdjc.jpg
20475 ms
bb-flfg.jpg
20474 ms
jianduka.jpg
20475 ms
ghs.png
3577 ms
qzlx.jpg
19971 ms
icon_top.gif
19970 ms
logo.gif
19971 ms
CA162351096415231910001.js
19799 ms
gs.gif
3843 ms
gs.gif
706 ms
red.png
4211 ms
hdcjj.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
[lang] attributes do not have a valid value
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.
hdcjj.com 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
hdcjj.com 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
Tap targets are not sized appropriately
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hdcjj.com 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 Hdcjj.com 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.
hdcjj.com
Open Graph description is not detected on the main page of Hdcjj. 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: