42.6 sec in total
7.3 sec
34.9 sec
443 ms
Welcome to diandu.dianyuan.com homepage info - get ready to check Diandu Dianyuan best content for China right away, or after learning these important things about diandu.dianyuan.com
本页提供电镀电源最新产品及供应商信息,为企业提供电镀电源设备的发布和采购,最真实最有效的信息尽在电源网。
Visit diandu.dianyuan.comWe analyzed Diandu.dianyuan.com page load time and found that the first response time was 7.3 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. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
diandu.dianyuan.com performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value3.0 s
80/100
25%
Value6.1 s
46/100
10%
Value60 ms
100/100
30%
Value0.005
100/100
15%
Value4.0 s
88/100
10%
7312 ms
2439 ms
2435 ms
1491 ms
1544 ms
Our browser made a total of 86 requests to load all elements on the main page. We found that 29% of them (25 requests) were addressed to the original Diandu.dianyuan.com, 28% (24 requests) were made to U.dianyuan.com and 15% (13 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Wpa.qq.com.
Page size can be reduced by 249.6 kB (54%)
463.2 kB
213.5 kB
In fact, the total size of Diandu.dianyuan.com main page is 463.2 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. 25% of websites need less resources to load. Javascripts take 177.3 kB which makes up the majority of the site volume.
Potential reduce by 43.7 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 43.7 kB or 75% of the original size.
Potential reduce by 12.5 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, Diandu Dianyuan needs image optimization as it can save up to 12.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 104.4 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 104.4 kB or 59% of the original size.
Potential reduce by 89.1 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. Diandu.dianyuan.com needs all CSS files to be minified and compressed as it can save up to 89.1 kB or 81% of the original size.
Number of requests can be reduced by 36 (46%)
78
42
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diandu Dianyuan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
diandu.dianyuan.com
7312 ms
global.css
2439 ms
base.css
2435 ms
style.css
1491 ms
list.css
1544 ms
default.css
1555 ms
base.js
3482 ms
jquery.min.js
4694 ms
jquery-ui-1.7.1.custom.min.js
2913 ms
dy_plug.min.js
6867 ms
jquery.form.js
8316 ms
common.js
4326 ms
jquery.artDialog.js
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iframeTools.js
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grid-50.20.css
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dialog.css
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o.js
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tj.js
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stat.php
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stat.php
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dy.png
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pa
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pa
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ys.png
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info.png
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index.php
2268 ms
huo.png
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play-orange.gif
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t-3.png
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label.gif
444 ms
contactBg.gif
442 ms
head-orange.gif
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ncum
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ncum
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f-1.jpg
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stat.htm
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core.php
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loaderLine.gif
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app.gif
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button_old_41.gif
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button_old_41.gif
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button_old_41.gif
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o.htm
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pop_dialog_top_left.png
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pop_dialog_border.png
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pop_dialog_top_right.png
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pop_dialog_bottom_left.png
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loading.gif
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wh.js
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ac.js
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fp.htm
590 ms
diandu.dianyuan.com 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.
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
diandu.dianyuan.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
Serves images with low resolution
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
diandu.dianyuan.com 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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diandu.dianyuan.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 Diandu.dianyuan.com 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.
diandu.dianyuan.com
Open Graph description is not detected on the main page of Diandu Dianyuan. 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: