Tools & Wizards About Us
www.jx.cn screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

www.jx.cn

中国机械网—机械行业网站！ 机械技术|机械供求|机械行情|机械产品|机械企业

Page Load Speed

6.9 sec in total

First Response

975 ms

Resources Loaded

5.8 sec

Page Rendered

141 ms

www.jx.cn screenshot

About Website

Click here to check amazing Www content for China. Otherwise, check out these important facts you probably never knew about www.jx.cn

中国机械网(www.jx.cn)是中国专业的机械行业网站。国内专业的机械工业设备采购供应信息平台，汇集海量机械设备产品、新闻、行情、机械企业、机械技术、机械加工、机械展会、机械人才等全方位的信息。

Visit www.jx.cn

Key Findings

We analyzed Www.jx.cn page load time and found that the first response time was 975 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

www.jx.cn performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

www.jx.cn

975 ms

cs.css

396 ms

jquery.min.js

1024 ms

popunder.js

418 ms

5557603.js

842 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 80% of them (59 requests) were addressed to the original Www.jx.cn, 7% (5 requests) were made to Bdimg.share.baidu.com and 3% (2 requests) were made to Widget.weibo.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Www.jx.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.8 kB (53%)

Content Size

194.4 kB

After Optimization

91.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Www.jx.cn main page is 194.4 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. Javascripts take 119.6 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 50.9 kB

  • Original 60.0 kB
  • After minification 43.3 kB
  • After compression 9.1 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 16.7 kB, which is 28% 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 50.9 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 11 B

  • Original 4.7 kB
  • After minification 4.7 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. Www images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 47.2 kB

  • Original 119.6 kB
  • After minification 119.6 kB
  • After compression 72.4 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 47.2 kB or 39% of the original size.

CSS Optimization

-46%

Potential reduce by 4.7 kB

  • Original 10.1 kB
  • After minification 10.1 kB
  • After compression 5.4 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. Www.jx.cn needs all CSS files to be minified and compressed as it can save up to 4.7 kB or 46% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (39%)

Requests Now

71

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.jx.cn

www.jx.cn

975 ms

cs.css

cs.css

396 ms

jquery.min.js

jquery.min.js

1024 ms

popunder.js

popunder.js

418 ms

5557603.js

5557603.js

842 ms

myjieri.js

myjieri.js

200 ms

followbutton.php

followbutton.php

861 ms

bgpr.gif

bgpr.gif

197 ms

headme.gif

headme.gif

211 ms

land2.gif

land2.gif

213 ms

banner.gif

banner.gif

584 ms

ti.gif

ti.gif

389 ms

bglogin.png

bglogin.png

402 ms

checkcode.asp

checkcode.asp

681 ms

wa6.gif

wa6.gif

421 ms

wa7.gif

wa7.gif

432 ms

vip_ad.gif

vip_ad.gif

975 ms

1.gif

1.gif

599 ms

bit.gif

bit.gif

626 ms

2.gif

2.gif

644 ms

3.gif

3.gif

781 ms

13.gif

13.gif

801 ms

14.gif

14.gif

835 ms

111.gif

111.gif

859 ms

search.gif

search.gif

899 ms

spacer.gif

spacer.gif

988 ms

b.gif

b.gif

996 ms

bbb.gif

bbb.gif

1044 ms

c.gif

c.gif

1068 ms

t_left.gif

t_left.gif

1104 ms

t_right.gif

t_right.gif

1166 ms

20080516baoyuntong.gif

20080516baoyuntong.gif

1189 ms

adv01.gif

adv01.gif

1196 ms

adv02.gif

adv02.gif

1252 ms

adv03.gif

adv03.gif

1277 ms

adv04.gif

adv04.gif

1314 ms

adv05.gif

adv05.gif

1362 ms

adv09.gif

adv09.gif

1389 ms

h_1.gif

h_1.gif

1396 ms

h_2.gif

h_2.gif

2436 ms

h_3.gif

h_3.gif

1496 ms

h_8.gif

h_8.gif

1526 ms

TrojanInspect.aspx

TrojanInspect.aspx

664 ms

e.gif

e.gif

1543 ms

f.gif

f.gif

1396 ms

i.gif

i.gif

1396 ms

h_5.gif

h_5.gif

1502 ms

h_6.gif

h_6.gif

1352 ms

h_7.gif

h_7.gif

1359 ms

8jdns.gif

8jdns.gif

1368 ms

j.gif

j.gif

1370 ms

juest.gif

juest.gif

1353 ms

product_1.gif

product_1.gif

1353 ms

product_3.gif

product_3.gif

1336 ms

product_2.gif

product_2.gif

1342 ms

product_4.gif

product_4.gif

1321 ms

fix.gif

fix.gif

1363 ms

f_title.gif

f_title.gif

1363 ms

gh.gif

gh.gif

1324 ms

followbutton.php

followbutton.php

1000 ms

jxIndexXXJH.gif

jxIndexXXJH.gif

1326 ms

shell_v2.js

shell_v2.js

903 ms

12321logo.gif

12321logo.gif

1298 ms

polic.gif

polic.gif

1387 ms

logger.js

logger.js

247 ms

bds_s_v2.js

bds_s_v2.js

500 ms

followButton.css

followButton.css

1238 ms

login.js

login.js

728 ms

followButton.js

followButton.js

728 ms

suda.js

suda.js

730 ms

bdsstyle.css

bdsstyle.css

245 ms

r0.gif

r0.gif

287 ms

bg_flbtn.png

bg_flbtn.png

464 ms

b.gif

b.gif

1052 ms

Accessibility Review

www.jx.cn accessibility score

41

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

www.jx.cn 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

www.jx.cn SEO score

71

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 Www.jx.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 Www.jx.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

www.jx.cn

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