Tools & Wizards About Us
jschuangxin.com.cn screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

jschuangxin.com.cn

江苏国创分析仪器有限公司-从事石油化工分析仪器，煤质分析仪器，环保分析仪器的开发生产销售

Page Load Speed

69.2 sec in total

First Response

17.3 sec

Resources Loaded

51.7 sec

Page Rendered

277 ms

jschuangxin.com.cn screenshot

About Website

Click here to check amazing Jschuangxin content. Otherwise, check out these important facts you probably never knew about jschuangxin.com.cn

江苏国创分析仪器有限公司 主要产品有：紫外荧光定硫仪、化学发光定氮仪、微库仑硫氯分析仪，硫氮分析仪，碳氢分析仪，原油盐含量测定仪，溴价溴指数测定仪，碱性氮测定仪，硫醇硫测定仪，油品酸值测定仪，COD等分析仪器。

Visit jschuangxin.com.cn

Key Findings

We analyzed Jschuangxin.com.cn page load time and found that the first response time was 17.3 sec and then it took 52 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 25 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jschuangxin.com.cn performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value20.1 s

0/100

10%

TBT (Total Blocking Time)

Value24,710 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value50.0 s

0/100

10%

Network Requests Diagram

jschuangxin.com.cn

17251 ms

master.css

4157 ms

logo.png

6414 ms

tel.png

12708 ms

banner.jpg

19704 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 77% of them (56 requests) were addressed to the original Jschuangxin.com.cn, 5% (4 requests) were made to Qiao.baidu.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Jschuangxin.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.9 kB (67%)

Content Size

312.2 kB

After Optimization

103.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jschuangxin.com.cn main page is 312.2 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. 15% of websites need less resources to load. Images take 194.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 69.5 kB

  • Original 79.2 kB
  • After minification 62.4 kB
  • After compression 9.7 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 16.8 kB, which is 21% 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 69.5 kB or 88% of the original size.

Image Optimization

-56%

Potential reduce by 109.6 kB

  • Original 194.5 kB
  • After minification 84.9 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, Jschuangxin needs image optimization as it can save up to 109.6 kB or 56% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 7.2 kB

  • Original 11.3 kB
  • After minification 11.2 kB
  • After compression 4.1 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 7.2 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 22.5 kB

  • Original 27.2 kB
  • After minification 19.5 kB
  • After compression 4.7 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. Jschuangxin.com.cn needs all CSS files to be minified and compressed as it can save up to 22.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (54%)

Requests Now

46

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jschuangxin. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jschuangxin.com.cn

jschuangxin.com.cn

17251 ms

master.css

master.css

4157 ms

logo.png

logo.png

6414 ms

tel.png

tel.png

12708 ms

banner.jpg

banner.jpg

19704 ms

navhover.png

navhover.png

4467 ms

navborder.png

navborder.png

5057 ms

leftbg.jpg

leftbg.jpg

8316 ms

leftbg2.jpg

leftbg2.jpg

9265 ms

index_list.jpg

index_list.jpg

10001 ms

leftlibg.jpg

leftlibg.jpg

17485 ms

companynews2.jpg

companynews2.jpg

12834 ms

more.png

more.png

14981 ms

bg_0ltop_index.gif

bg_0ltop_index.gif

12504 ms

bg_0rtop_index.gif

bg_0rtop_index.gif

12978 ms

201407081043476277.jpg

201407081043476277.jpg

19104 ms

bg_0lbottom_index.gif

bg_0lbottom_index.gif

13443 ms

bg_0rbottom_index.gif

bg_0rbottom_index.gif

14624 ms

201407081012223829.jpg

201407081012223829.jpg

19699 ms

lxbg.jpg

lxbg.jpg

18197 ms

product2.jpg

product2.jpg

19667 ms

bg_01.gif

bg_01.gif

18652 ms

bg_03.gif

bg_03.gif

19106 ms

bg_04.gif

bg_04.gif

19514 ms

bg_02.gif

bg_02.gif

19570 ms

201407081040506036.jpg

201407081040506036.jpg

19564 ms

201407081048243852.jpg

201407081048243852.jpg

19564 ms

201407081052304801.jpg

201407081052304801.jpg

19564 ms

201407081019242262.jpg

201407081019242262.jpg

19565 ms

201407081039083212.jpg

201407081039083212.jpg

19566 ms

201407081033292467.jpg

201407081033292467.jpg

19565 ms

201407081045425778.jpg

201407081045425778.jpg

19662 ms

201407081022487287.jpg

201407081022487287.jpg

19662 ms

201407080957533430.jpg

201407080957533430.jpg

19663 ms

201407080953452063.jpg

201407080953452063.jpg

19663 ms

index_introduction.png

index_introduction.png

20148 ms

pic_x.jpg

pic_x.jpg

20148 ms

line22.jpg

line22.jpg

19975 ms

companynews1.jpg

companynews1.jpg

20237 ms

newsli.jpg

newsli.jpg

19648 ms

stat.php

stat.php

1364 ms

default.css

default.css

16877 ms

qqkf.js

qqkf.js

15476 ms

product.jpg

product.jpg

18069 ms

201407081009403324.jpg

201407081009403324.jpg

19673 ms

201407081026326513.jpg

201407081026326513.jpg

20196 ms

201407080955584637.jpg

201407080955584637.jpg

19868 ms

201407080952146049.jpg

201407080952146049.jpg

19725 ms

201407080948442821.jpg

201407080948442821.jpg

20255 ms

201407080947136246.jpg

201407080947136246.jpg

20087 ms

201407080908335542.jpg

201407080908335542.jpg

19731 ms

icon_person_stat_online.gif

icon_person_stat_online.gif

16096 ms

button_11.gif

button_11.gif

493 ms

cslist_btm_bg.gif

cslist_btm_bg.gif

17127 ms

footer.jpg

footer.jpg

13660 ms

h.js

h.js

696 ms

21.gif

21.gif

831 ms

b.js

b.js

2221 ms

hm.gif

hm.gif

398 ms

stat.htm

stat.htm

198 ms

core.php

core.php

1182 ms

9.gif

9.gif

1088 ms

pic.gif

pic.gif

794 ms

cslist_top_bg.gif

cslist_top_bg.gif

7758 ms

cslist_top_shut.gif

cslist_top_shut.gif

8159 ms

cslist_mid_bg.gif

cslist_mid_bg.gif

8500 ms

bsl.js

bsl.js

2876 ms

app.gif

app.gif

1308 ms

Enter.php

Enter.php

859 ms

main_icon_invite_mess_api.js

main_icon_invite_mess_api.js

13546 ms

main.css

main.css

1768 ms

fix.css

fix.css

807 ms

version.js

version.js

814 ms

Accessibility Review

jschuangxin.com.cn accessibility score

61

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

jschuangxin.com.cn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

jschuangxin.com.cn SEO score

67

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jschuangxin.com.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 Jschuangxin.com.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

jschuangxin.com.cn

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