90.9 sec in total
4.2 sec
86.3 sec
422 ms
Welcome to dasn.com.cn homepage info - get ready to check Dasn best content right away, or after learning these important things about dasn.com.cn
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Visit dasn.com.cnWe analyzed Dasn.com.cn page load time and found that the first response time was 4.2 sec and then it took 86.7 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 32 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
dasn.com.cn performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value34.4 s
0/100
25%
Value25.1 s
0/100
10%
Value280 ms
81/100
30%
Value0.59
11/100
15%
Value17.1 s
4/100
10%
4155 ms
3826 ms
995 ms
13470 ms
6229 ms
Our browser made a total of 93 requests to load all elements on the main page. We found that 66% of them (61 requests) were addressed to the original Dasn.com.cn, 9% (8 requests) were made to I.dasn.com.cn and 8% (7 requests) were made to Lxbjs.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Dasn.com.cn.
Page size can be reduced by 61.1 kB (55%)
110.4 kB
49.3 kB
In fact, the total size of Dasn.com.cn main page is 110.4 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. 20% of websites need less resources to load. Javascripts take 41.8 kB which makes up the majority of the site volume.
Potential reduce by 22.0 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 22.0 kB or 78% of the original size.
Potential reduce by 5.9 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, Dasn needs image optimization as it can save up to 5.9 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 29.8 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 29.8 kB or 71% of the original size.
Potential reduce by 3.4 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. Dasn.com.cn needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 79% of the original size.
Number of requests can be reduced by 17 (29%)
58
41
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dasn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
dasn.com.cn
4155 ms
www.dasn.com.cn
3826 ms
mobile.js
995 ms
style.css
13470 ms
jquery.js
6229 ms
jquery.cookies.js
1514 ms
common.js
20022 ms
footer.js
452 ms
logo.png
2626 ms
tel.png
1024 ms
bg_nav.jpg
2499 ms
nav_line.jpg
4648 ms
banner_bg.gif
19964 ms
leitaisai.jpg
19964 ms
brand.jpg
19964 ms
gongyi.jpg
19965 ms
in1.png
6244 ms
in2.png
19324 ms
in3.png
7513 ms
in4.png
10852 ms
tubiao.gif
11274 ms
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12929 ms
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14542 ms
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19964 ms
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19967 ms
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19967 ms
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19967 ms
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19968 ms
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19971 ms
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19972 ms
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19974 ms
10000.jpg
19975 ms
43500.jpg
19976 ms
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19975 ms
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19976 ms
41500.jpg
19976 ms
dasn.js
980 ms
28000.jpg
19912 ms
107000.jpg
19941 ms
LsJS.aspx
6004 ms
style.css
512 ms
common.js
561 ms
stat.php
2864 ms
39000.jpg
20465 ms
7500.jpg
20341 ms
24000.jpg
20317 ms
43000.jpg
19716 ms
JS3.aspx
4325 ms
36000.jpg
16191 ms
119000.jpg
17616 ms
66000.jpg
13615 ms
floatbox_15.png
17566 ms
stat.htm
178 ms
core.php
750 ms
offline_cn.gif
4693 ms
im.html
996 ms
3.gif
1019 ms
9.gif
871 ms
h.js
1227 ms
130500.jpg
15857 ms
app.gif
4091 ms
21.gif
743 ms
lxb.js
5555 ms
hm.gif
375 ms
1.gif
2254 ms
floatbox_15_1.png
724 ms
114500.jpg
15239 ms
79000.jpg
15503 ms
log.gif
421 ms
_l.js
1282 ms
icon.gif
7557 ms
rongyu1.png
8297 ms
rongyu2.png
12523 ms
rongyu3.png
9000 ms
rongyu4.png
9975 ms
foot_nav.jpg
9467 ms
foot_logo.png
10392 ms
weixin.png
19992 ms
log.gif
388 ms
float.css
1746 ms
btn-show-bg.png
764 ms
log.gif
387 ms
log.gif
463 ms
1.png
19989 ms
close.png
8305 ms
hm.gif
1995 ms
dasn.com.cn 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
Form elements do not have associated labels
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
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
dasn.com.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
dasn.com.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 Dasn.com.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 Dasn.com.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.
dasn.com.cn
Open Graph description is not detected on the main page of Dasn. 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: