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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

52zj.com.cn

Amazon.com: Online Shopping for Electronics, Apparel, Computers, Books, DVDs & more

Page Load Speed

49.3 sec in total

First Response

7.2 sec

Resources Loaded

41.8 sec

Page Rendered

305 ms

About Website

Visit 52zj.com.cn now to see the best up-to-date 52 Zj content for China and also check out these interesting facts you probably never knew about 52zj.com.cn

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Key Findings

We analyzed 52zj.com.cn page load time and found that the first response time was 7.2 sec and then it took 42.1 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. Unfortunately, there were 10 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

52zj.com.cn performance score

0

Network Requests Diagram

www.52zj.com.cn

7232 ms

app.css

1103 ms

47.png

712 ms

48.png

932 ms

49.png

3263 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 99% of them (78 requests) were addressed to the original 52zj.com.cn, 1% (1 request) were made to Bbs.52zj.com.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain 52zj.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 532.8 kB (18%)

Content Size

3.0 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 52zj.com.cn main page is 3.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 89.7 kB

  • Original 108.7 kB
  • After minification 91.0 kB
  • After compression 19.0 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 17.8 kB, which is 16% 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 89.7 kB or 82% of the original size.

Image Optimization

-12%

Potential reduce by 334.3 kB

  • Original 2.8 MB
  • After minification 2.5 MB

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. Obviously, 52 Zj needs image optimization as it can save up to 334.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 25.4 kB

  • Original 37.7 kB
  • After minification 31.6 kB
  • After compression 12.3 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 25.4 kB or 67% of the original size.

CSS Optimization

-78%

Potential reduce by 83.4 kB

  • Original 106.7 kB
  • After minification 99.6 kB
  • After compression 23.3 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. 52zj.com.cn needs all CSS files to be minified and compressed as it can save up to 83.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (21%)

Requests Now

68

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 52 Zj. 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.

Network Requests Diagram

SEO Factors

52zj.com.cn SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 52zj.com.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 52zj.com.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 52 Zj. 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: