23.8 sec in total
1.5 sec
22 sec
281 ms
Welcome to yu-sen.com homepage info - get ready to check Yu Sen best content for China right away, or after learning these important things about yu-sen.com
珠海经济特区天然药物研究所有限公司(玉森,玉森牌):珠孕天然,海泽药物;我所是在珠海市人民政府直接关怀下于1993年创建的科研机构,是一家集药物、保健食品、营养食品研究、开发、生产、销售于一身具有独立知识产权的实体。2000年成为珠海市科委首批认定的“生产科技型民营企业”;2002年被广东省科技厅认定为“生产型科技企业”;2006年产、学、研综合楼通过广东省食品药品监督管理局 GMP认证,国家海关...
Visit yu-sen.comWe analyzed Yu-sen.com page load time and found that the first response time was 1.5 sec and then it took 22.3 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.
yu-sen.com performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value8.4 s
2/100
25%
Value8.6 s
17/100
10%
Value240 ms
86/100
30%
Value0.195
63/100
15%
Value6.7 s
56/100
10%
1474 ms
585 ms
426 ms
2481 ms
6757 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 95% of them (40 requests) were addressed to the original Yu-sen.com, 5% (2 requests) were made to Images02.cdn86.net. The less responsive or slowest element that took the longest time to load (17.4 sec) belongs to the original domain Yu-sen.com.
Page size can be reduced by 62.0 kB (8%)
759.8 kB
697.8 kB
In fact, the total size of Yu-sen.com main page is 759.8 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 719.2 kB which makes up the majority of the site volume.
Potential reduce by 24.4 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. 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 24.4 kB or 71% of the original size.
Potential reduce by 32.7 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. Yu Sen images are well optimized though.
Potential reduce by 4.9 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. Yu-sen.com needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 75% of the original size.
Number of requests can be reduced by 9 (24%)
37
28
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yu Sen. 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.
yu-sen.com
1474 ms
index.html
585 ms
master.css
426 ms
content.css
2481 ms
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8439 ms
yu-sen.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
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.
yu-sen.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
yu-sen.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
Tap targets are not sized appropriately
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yu-sen.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 Yu-sen.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.
yu-sen.com
Open Graph description is not detected on the main page of Yu Sen. 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: