Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

chinakosun.com

钻井废弃物处理设备_泥水分离系统_泥浆不落地处理-西安科迅机械

Page Load Speed

12.8 sec in total

First Response

3 sec

Resources Loaded

9.5 sec

Page Rendered

221 ms

chinakosun.com screenshot

About Website

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

科迅(KOSUN)生产的固控设备,石钻井废弃物处理设备,泥水分离系统,地铁盾构渣土处理,也可以提供整套泥浆固控循环系统,科迅机械研发的高频直线振动筛、旋流除砂器、螺旋输送机、钻井液清洁器、卧螺离心机、泥浆搅拌机在同行中遥遥领先!

Visit chinakosun.com

Key Findings

We analyzed Chinakosun.com page load time and found that the first response time was 3 sec and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster. This domain responded with an error, which can significantly jeopardize Chinakosun.com rating and web reputation

Performance Metrics

chinakosun.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

chinakosun.com

3032 ms

css.css

1193 ms

jquery-1.4.2.min.js

1586 ms

lanrenzhijia.js

550 ms

index.js

512 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 80% of them (44 requests) were addressed to the original Chinakosun.com, 11% (6 requests) were made to Bdimg.share.baidu.com and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Chinakosun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 297.3 kB (19%)

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Chinakosun.com main page is 1.6 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. 25% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 30.2 kB

  • Original 37.6 kB
  • After minification 34.0 kB
  • After compression 7.4 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 30.2 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 145.8 kB

  • Original 1.4 MB
  • After minification 1.2 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, Chinakosun needs image optimization as it can save up to 145.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 70.5 kB

  • Original 108.6 kB
  • After minification 107.6 kB
  • After compression 38.0 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 70.5 kB or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 50.8 kB

  • Original 62.8 kB
  • After minification 54.7 kB
  • After compression 12.0 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. Chinakosun.com needs all CSS files to be minified and compressed as it can save up to 50.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (15%)

Requests Now

53

After Optimization

45

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinakosun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

chinakosun.com accessibility score

43

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

chinakosun.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

chinakosun.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

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 Chinakosun.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 Chinakosun.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 Chinakosun. 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: