50.4 sec in total
2.1 sec
47.8 sec
502 ms
Welcome to exchangecn.com homepage info - get ready to check Exchange Cn best content for China right away, or after learning these important things about exchangecn.com
专注微软Exchange邮箱邮件服务器技术,包括Exchange 2003/2007/2010/2013/2016/2019 各版本的安装部署配置管理的文档和视频培训教程。还有Office 365和Exchange Online云端协作系统的运维和管理的经验分享。
Visit exchangecn.comWe analyzed Exchangecn.com page load time and found that the first response time was 2.1 sec and then it took 48.3 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
exchangecn.com performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value2.6 s
86/100
25%
Value5.0 s
63/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value2.6 s
97/100
10%
2111 ms
3862 ms
10503 ms
2927 ms
20203 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 39% of them (21 requests) were addressed to the original Exchangecn.com, 17% (9 requests) were made to Cpro.baidustatic.com and 11% (6 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Exchangecn.com.
Page size can be reduced by 583.2 kB (48%)
1.2 MB
633.0 kB
In fact, the total size of Exchangecn.com 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. 30% of websites need less resources to load. Javascripts take 561.9 kB which makes up the majority of the site volume.
Potential reduce by 44.9 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 44.9 kB or 80% of the original size.
Potential reduce by 78.6 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. Obviously, Exchange Cn needs image optimization as it can save up to 78.6 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 370.6 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 370.6 kB or 66% of the original size.
Potential reduce by 89.0 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. Exchangecn.com needs all CSS files to be minified and compressed as it can save up to 89.0 kB or 83% of the original size.
Number of requests can be reduced by 28 (56%)
50
22
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Exchange Cn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.
exchangecn.com
2111 ms
www.exchangecn.com
3862 ms
bootstrap.min.css
10503 ms
style.css
2927 ms
jquery.js
20203 ms
bootstrap.min.js
3477 ms
styles.css
1153 ms
jquery.js
8349 ms
jquery-migrate.min.js
4210 ms
q2w3-fixed-widget.min.js
3425 ms
o.js
1143 ms
jquery.form.min.js
6516 ms
scripts.js
5567 ms
wp-emoji-release.min.js
1211 ms
group.png
580 ms
logo.png
5019 ms
189csp_logo.png
3345 ms
27-22585224.jpg
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27-15425962.jpg
19932 ms
14-22195362.jpg
17292 ms
21-13233192-358x160.jpg
6256 ms
try_office365.jpg
12701 ms
huangbo_tuijian.jpg
12746 ms
kcam
1308 ms
0f000jlWjR7VjK9GPvRHR0.png
506 ms
js
10738 ms
kcam
484 ms
c.js
1028 ms
kcam
474 ms
kcam
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kcam
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0f000nGEQEXzYOEmdqsnKs.jpg
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close.gif
543 ms
hm.js
1325 ms
cpro.js
760 ms
adx.php
827 ms
icon_12px.png
517 ms
hm.gif
440 ms
reduce_bd-logo1_oper.png
496 ms
closefeedback.min.js
532 ms
reduce_promotion_oper.png
496 ms
bd_logo.png
512 ms
bg_rb.png
523 ms
hot
688 ms
wgxpath.install.js
2015 ms
ping
1460 ms
link
737 ms
o.htm
879 ms
t.js
980 ms
hm.gif
971 ms
wh.js
745 ms
ac.js
507 ms
tj.gif
952 ms
hm.gif
822 ms
exchangecn.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.
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
Links do not have a discernible name
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
exchangecn.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
General
Impact
Issue
Detected JavaScript libraries
exchangecn.com SEO score
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
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Exchangecn.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Exchangecn.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.
exchangecn.com
Open Graph data is detected on the main page of Exchange Cn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: