Tools & Wizards About Us

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

nac.cn

杭州新亚低温科技有限公司-专业低温机械技术公司

Page Load Speed

48.8 sec in total

First Response

2.5 sec

Resources Loaded

46.1 sec

Page Rendered

167 ms

About Website

Welcome to nac.cn homepage info - get ready to check Nac best content right away, or after learning these important things about nac.cn

杭州新亚低温科技有限公司是一家专业低温机械技术公司，以高新技术开发为主体，集科工贸为一体的新型现代化企业，主要从事低温泵、膨胀机、汽化器等低温设备的研发、制造、销售和服务，其产品广泛应用于能源、军工、航天、石化、冶金等行业。

Visit nac.cn

Key Findings

We analyzed Nac.cn page load time and found that the first response time was 2.5 sec and then it took 46.2 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.

Performance Metrics

nac.cn performance score

0

Network Requests Diagram

nac.cn

2521 ms

www.nac.cn

16014 ms

page_index.css

1746 ms

style.css

781 ms

jquery.js

1005 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that all of those requests were addressed to Nac.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (16.1 sec) belongs to the original domain Nac.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 282.2 kB (48%)

Content Size

588.9 kB

After Optimization

306.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nac.cn main page is 588.9 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. 25% of websites need less resources to load. CSS take 281.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 10.5 kB

  • Original 14.0 kB
  • After minification 12.7 kB
  • After compression 3.5 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 10.5 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 12.7 kB

  • Original 260.9 kB
  • After minification 248.2 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. Nac images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 16.8 kB

  • Original 32.8 kB
  • After minification 31.9 kB
  • After compression 16.0 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 51% of the original size.

CSS Optimization

-86%

Potential reduce by 242.3 kB

  • Original 281.2 kB
  • After minification 217.1 kB
  • After compression 39.0 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. Nac.cn needs all CSS files to be minified and compressed as it can save up to 242.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (79%)

Requests Now

77

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 59 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

SEO Factors

nac.cn 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 Nac.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 Nac.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.

Social Sharing Optimization

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