12.2 sec in total
546 ms
11.2 sec
419 ms
Visit lan-sun.cn now to see the best up-to-date Lan Sun content and also check out these interesting facts you probably never knew about lan-sun.cn
专业提供无尘车间、净化车间、洁净车间、净化工程、洁净室、洁净工程等服务的净化工程企业,公司服务主要包含:医疗净化工程、电子车间洁净工程、生物制药无菌车间、食品无尘车间、医疗器械净化车间等工程,开利净化提供各类净化工程解决方案,让无尘车间等净化不再难。
Visit lan-sun.cnWe analyzed Lan-sun.cn page load time and found that the first response time was 546 ms and then it took 11.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
lan-sun.cn performance score
name
value
score
weighting
Value0
0/100
10%
Value0
0/100
25%
Value0
0/100
10%
Value0
0/100
30%
Value0.027
100/100
15%
Value0
0/100
10%
546 ms
2024 ms
1044 ms
54 ms
59 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 11% of them (7 requests) were addressed to the original Lan-sun.cn, 20% (13 requests) were made to G1.ykimg.com and 18% (12 requests) were made to G3.ykimg.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Sjhl.js1ye.org.
Page size can be reduced by 100.8 kB (28%)
354.5 kB
253.7 kB
In fact, the total size of Lan-sun.cn main page is 354.5 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. 30% of websites need less resources to load. Images take 223.4 kB which makes up the majority of the site volume.
Potential reduce by 61.8 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 61.8 kB or 78% of the original size.
Potential reduce by 141 B
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. Lan Sun images are well optimized though.
Potential reduce by 12.5 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 12.5 kB or 64% of the original size.
Potential reduce by 26.3 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. Lan-sun.cn needs all CSS files to be minified and compressed as it can save up to 26.3 kB or 82% of the original size.
Number of requests can be reduced by 8 (12%)
65
57
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lan Sun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
www.lan-sun.cn
546 ms
z_stat.php
2024 ms
18664111.js
1044 ms
ad.js
54 ms
common.js
59 ms
mobile.js
60 ms
css.css
60 ms
stat.htm
168 ms
core.php
1364 ms
icon_6.gif
520 ms
14996134.js
712 ms
sjhl.js
3356 ms
aios.js
1348 ms
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lan-sun.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
<frame> or <iframe> elements do not have a title
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
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.
lan-sun.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
lan-sun.cn 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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lan-sun.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 Lan-sun.cn 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.
lan-sun.cn
Open Graph description is not detected on the main page of Lan Sun. 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: