25 sec in total
4.2 sec
20.5 sec
392 ms
Visit yn11.com now to see the best up-to-date Yn 11 content and also check out these interesting facts you probably never knew about yn11.com
江苏姑苏净化科技有限公司「姑苏净化」在设计研发、生产制造、系统工程建设和客户服务体系等方面积累了丰富经验。姑苏产品和洁净室系统解决方案广泛应用于电子工业、半导体制造业、航空航天、精密仪器仪表、医疗卫生、生物制药、洁净手术室、生物实验室、食品保健、化妆品、光纤光缆、科研教学等诸多领域,尤其在生物制药、电子产业、医院洁净手术室等净化行业的三大支柱板块中确立了重要地位。
Visit yn11.comWe analyzed Yn11.com page load time and found that the first response time was 4.2 sec and then it took 20.8 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.
yn11.com performance score
name
value
score
weighting
Value1.9 s
87/100
10%
Value2.6 s
88/100
25%
Value14.1 s
1/100
10%
Value80 ms
99/100
30%
Value0.31
38/100
15%
Value2.5 s
98/100
10%
4177 ms
498 ms
617 ms
618 ms
615 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 98% of them (48 requests) were addressed to the original Yn11.com, 2% (1 request) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Yn11.com.
Page size can be reduced by 37.1 kB (25%)
145.7 kB
108.6 kB
In fact, the total size of Yn11.com main page is 145.7 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. 15% of websites need less resources to load. Images take 102.5 kB which makes up the majority of the site volume.
Potential reduce by 35.4 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 12.0 kB, which is 29% 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 35.4 kB or 86% of the original size.
Potential reduce by 73 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. Yn 11 images are well optimized though.
Potential reduce by 1.7 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. Yn11.com needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 77% of the original size.
Number of requests can be reduced by 23 (49%)
47
24
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yn 11. 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.
yn11.com
4177 ms
xm.css
498 ms
lo.gif
617 ms
tel.gif
618 ms
bg01.gif
615 ms
bg03.gif
612 ms
b01.jpg
1104 ms
n10.gif
808 ms
n20.gif
806 ms
n30.gif
805 ms
n40.gif
806 ms
n50.gif
805 ms
l01.gif
1049 ms
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1053 ms
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1052 ms
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1052 ms
qq.gif
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kf.jpg
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1293 ms
le_5.gif
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1600 ms
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1pc.gif
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003_5.gif
1579 ms
ad5.jpg
1655 ms
d01.gif
1600 ms
d02.gif
1752 ms
d03.gif
1753 ms
d04.gif
1440 ms
d05.gif
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bg00.gif
1532 ms
bg02.gif
1533 ms
lmz1.gif
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003_1.gif
1500 ms
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1583 ms
back.gif
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button_old_61.gif
502 ms
yn11.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
Definition list items are not wrapped in <dl> elements
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.
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
Links do not have a discernible name
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.
yn11.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
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
yn11.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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yn11.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 Yn11.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.
yn11.com
Open Graph description is not detected on the main page of Yn 11. 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: