Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

diamondchina.com

钻石中国 - 钻石中国-中国钻石交易平台,钻石交易,钻石投资,钻石收藏,钻石拍卖,钻石变现!

Page Load Speed

59.9 sec in total

First Response

1.1 sec

Resources Loaded

58.5 sec

Page Rendered

343 ms

diamondchina.com screenshot

About Website

Welcome to diamondchina.com homepage info - get ready to check Diamondchina best content right away, or after learning these important things about diamondchina.com

钻石中国是中国最早的钻石交易平台,作为中国首家功能最全,服务一流的专业、安全、便捷的钻石交易平台,买家和卖家只需一个账户,双重身份,买卖双方直接联系和交易,无须任何佣金,轻松实现钻石交易,钻石投资,钻石收藏,钻石竞拍,钻石变现。全球钻石交易服务电话:400-888-5180。

Visit diamondchina.com

Key Findings

We analyzed Diamondchina.com page load time and found that the first response time was 1.1 sec and then it took 58.8 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 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

diamondchina.com performance score

0

Network Requests Diagram

diamondchina.com

1118 ms

default.aspx

5582 ms

lang.js

927 ms

jquery-1.4.2.min.js

20277 ms

artDialog.source.js

6636 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 92% of them (81 requests) were addressed to the original Diamondchina.com, 1% (1 request) were made to Js.users.51.la and 1% (1 request) were made to S19.cnzz.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Diamondchina.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.2 kB (50%)

Content Size

373.4 kB

After Optimization

187.2 kB

In fact, the total size of Diamondchina.com main page is 373.4 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. 20% of websites need less resources to load. Images take 204.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 80.6 kB

  • Original 106.0 kB
  • After minification 90.7 kB
  • After compression 25.4 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 15.4 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 80.6 kB or 76% of the original size.

Image Optimization

-30%

Potential reduce by 60.6 kB

  • Original 204.4 kB
  • After minification 143.8 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. Obviously, Diamondchina needs image optimization as it can save up to 60.6 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 16.0 kB

  • Original 26.2 kB
  • After minification 24.4 kB
  • After compression 10.3 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 16.0 kB or 61% of the original size.

CSS Optimization

-79%

Potential reduce by 29.0 kB

  • Original 36.7 kB
  • After minification 32.3 kB
  • After compression 7.7 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. Diamondchina.com needs all CSS files to be minified and compressed as it can save up to 29.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (35%)

Requests Now

75

After Optimization

49

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diamondchina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

SEO Factors

diamondchina.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 Diamondchina.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 Diamondchina.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 Diamondchina. 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: