Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

levsongroup.com

利物盛集团_上海利物盛_专注石墨烯生产与研发_上海利物盛企业集团有限公司

Page Load Speed

67.3 sec in total

First Response

14.9 sec

Resources Loaded

51.9 sec

Page Rendered

526 ms

levsongroup.com screenshot

About Website

Click here to check amazing Levsongroup content. Otherwise, check out these important facts you probably never knew about levsongroup.com

上海利物盛企业集团有限公司_上海利物盛集团坐落于上海宝山高新技术产业园区,是以实业投资为主的民营企业。利物盛在以生产汽车零部件为支柱产业的基础上,本着“创新驱动发展”的理念,于2010年起重塑集团型企业发展战略,成立了以专家、博士、硕士等组成的石墨烯产业技术研发中心,创立了政府命名的上海石墨烯应用科技孵化园。在院士专家工作站数位院士的指导下,转型投入到石墨烯材料的研发及应用领域的开发之中。

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Key Findings

We analyzed Levsongroup.com page load time and found that the first response time was 14.9 sec and then it took 52.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 22 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

levsongroup.com performance score

0

Network Requests Diagram

levsongroup.com

14899 ms

main.css

9006 ms

jquery-1.10.2.min.js

20149 ms

slide211.js

3878 ms

menu.js

1773 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 70% of them (26 requests) were addressed to the original Levsongroup.com, 11% (4 requests) were made to Player.youku.com and 3% (1 request) were made to S4.cnzz.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Levsongroup.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.3 kB (46%)

Content Size

128.0 kB

After Optimization

68.8 kB

In fact, the total size of Levsongroup.com main page is 128.0 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. Only 10% of websites need less resources to load. Images take 51.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 12.8 kB

  • Original 16.5 kB
  • After minification 14.2 kB
  • After compression 3.8 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. This page needs HTML code to be minified as it can gain 2.3 kB, which is 14% 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 12.8 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 3.5 kB

  • Original 51.9 kB
  • After minification 48.4 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. Levsongroup images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 16.8 kB

  • Original 28.1 kB
  • After minification 27.7 kB
  • After compression 11.3 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 16.8 kB or 60% of the original size.

CSS Optimization

-83%

Potential reduce by 26.3 kB

  • Original 31.5 kB
  • After minification 28.1 kB
  • After compression 5.3 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. Levsongroup.com needs all CSS files to be minified and compressed as it can save up to 26.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (31%)

Requests Now

13

After Optimization

9

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Levsongroup. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

levsongroup.com SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Levsongroup.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 Levsongroup.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Levsongroup. 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: