Tools & Wizards About Us
cwestc.com screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

cwestc.com

煤炭资讯网--世界煤炭系统唯一进入Alexa世界排名万位、日点击过十万的网站

Page Load Speed

54.7 sec in total

First Response

9.9 sec

Resources Loaded

43.8 sec

Page Rendered

1 sec

cwestc.com screenshot

About Website

Click here to check amazing Cwestc content for China. Otherwise, check out these important facts you probably never knew about cwestc.com

煤,煤炭,煤矿,煤炭价格,煤炭市场,煤炭运输,煤炭资讯网,煤炭新闻,煤炭网，二手设备，煤炭供求，煤矿机电设备,煤矿新闻，煤矿人才，煤业技术，校友录，煤价旬报，技术论文，西部煤炭网,追踪能源领域前沿技术、热点动态，解读能源政策与时事，汇聚能源数据统计，传播全球能源资讯；展示、交流、互动并举，讲述能源财富传奇故事；营造能源领域专业门户！

Visit cwestc.com

Key Findings

We analyzed Cwestc.com page load time and found that the first response time was 9.9 sec and then it took 44.8 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 28 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cwestc.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

cwestc.com

9902 ms

wh.css

6497 ms

lrtk.css

1013 ms

homelogin.aspx

1446 ms

style.css

7183 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 69% of them (56 requests) were addressed to the original Cwestc.com, 10% (8 requests) were made to Cpro.baidustatic.com and 6% (5 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Kuang-e.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 344.3 kB (51%)

Content Size

681.1 kB

After Optimization

336.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cwestc.com main page is 681.1 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. 25% of websites need less resources to load. Javascripts take 272.5 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 142.6 kB

  • Original 164.2 kB
  • After minification 104.6 kB
  • After compression 21.7 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 59.6 kB, which is 36% 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 142.6 kB or 87% of the original size.

Image Optimization

-8%

Potential reduce by 18.0 kB

  • Original 236.0 kB
  • After minification 218.0 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. Cwestc images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 177.0 kB

  • Original 272.5 kB
  • After minification 272.0 kB
  • After compression 95.5 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 177.0 kB or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 6.7 kB

  • Original 8.3 kB
  • After minification 6.4 kB
  • After compression 1.6 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. Cwestc.com needs all CSS files to be minified and compressed as it can save up to 6.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

49

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cwestc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cwestc.com

cwestc.com

9902 ms

wh.css

wh.css

6497 ms

lrtk.css

lrtk.css

1013 ms

homelogin.aspx

homelogin.aspx

1446 ms

style.css

style.css

7183 ms

lman.js

lman.js

1027 ms

logo.jpg

logo.jpg

15849 ms

scrollpic.js

scrollpic.js

526 ms

c.js

c.js

2528 ms

cnmt.jpg

cnmt.jpg

20397 ms

new.gif

new.gif

658 ms

headBg1.jpg

headBg1.jpg

4601 ms

2016-4-82030.jpg

2016-4-82030.jpg

13551 ms

2016-4-85707.jpg

2016-4-85707.jpg

9086 ms

2016-4-89409.jpg

2016-4-89409.jpg

12682 ms

2016-4-79906.jpg

2016-4-79906.jpg

20394 ms

2016-4-76248.jpg

2016-4-76248.jpg

8130 ms

zjb.jpg

zjb.jpg

14448 ms

kgb.jpg

kgb.jpg

20393 ms

375229.jpg

375229.jpg

9585 ms

407402.jpg

407402.jpg

10087 ms

405665.jpg

405665.jpg

10579 ms

mlkj.gif

mlkj.gif

20392 ms

405145.jpg

405145.jpg

13206 ms

403584.jpg

403584.jpg

13730 ms

321857.jpg

321857.jpg

20391 ms

309670.jpg

309670.jpg

14234 ms

logoLED.jpg

logoLED.jpg

17264 ms

2016-4-81781.jpg

2016-4-81781.jpg

20392 ms

2016-4-84072.jpg

2016-4-84072.jpg

20392 ms

2016-4-86654.jpg

2016-4-86654.jpg

20392 ms

2016-4-86210.jpg

2016-4-86210.jpg

20392 ms

2016-4-84206.jpg

2016-4-84206.jpg

20392 ms

2016-4-87612.jpg

2016-4-87612.jpg

20392 ms

2016-4-85210.jpg

2016-4-85210.jpg

20392 ms

2016-4-84605.jpg

2016-4-84605.jpg

20392 ms

2016-4-8592.jpg

2016-4-8592.jpg

20392 ms

2016-4-78660.jpg

2016-4-78660.jpg

20392 ms

387520.jpg

387520.jpg

20391 ms

miaogan.gif

miaogan.gif

20392 ms

ggw.jpg

ggw.jpg

20392 ms

403280.jpg

403280.jpg

20391 ms

xbgjmt.gif

xbgjmt.gif

20391 ms

bj48760.gif

bj48760.gif

20375 ms

tcfm

tcfm

1391 ms

tcfm

tcfm

1364 ms

stat.php

stat.php

1222 ms

selectpic.jpg

selectpic.jpg

19793 ms

gg.jpg

gg.jpg

19746 ms

tcfm

tcfm

2561 ms

tcfm

tcfm

1749 ms

stat.htm

stat.htm

527 ms

core.php

core.php

2013 ms

cpro.js

cpro.js

714 ms

adx.php

adx.php

662 ms

icon_12px.png

icon_12px.png

490 ms

adx.php

adx.php

655 ms

reduce_bd-logo1_oper.png

reduce_bd-logo1_oper.png

515 ms

9.gif

9.gif

771 ms

closefeedback.min.js

closefeedback.min.js

504 ms

lf.jpg

lf.jpg

19793 ms

app.gif

app.gif

935 ms

reduce_promotion_oper.png

reduce_promotion_oper.png

566 ms

bd_logo.png

bd_logo.png

567 ms

bg_rb.png

bg_rb.png

563 ms

tencent

tencent

656 ms

306947.jpg

306947.jpg

13242 ms

2016-4-84341.jpg

2016-4-84341.jpg

16302 ms

2016-4-83626.jpg

2016-4-83626.jpg

20308 ms

2016-4-88526.jpg

2016-4-88526.jpg

16709 ms

2016-4-85440.jpg

2016-4-85440.jpg

20303 ms

2016-4-81667.jpg

2016-4-81667.jpg

19811 ms

guangpan.gif

guangpan.gif

19712 ms

lg50015101500034.jpg

lg50015101500034.jpg

14534 ms

qq_online.gif

qq_online.gif

16738 ms

Titlebg.jpg

Titlebg.jpg

17068 ms

new.gif

new.gif

16877 ms

o.htm

o.htm

689 ms

wh.js

wh.js

803 ms

ac.js

ac.js

561 ms

fp.htm

fp.htm

601 ms

Accessibility Review

cwestc.com accessibility score

49

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

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

cwestc.com 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

cwestc.com SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

High

Document uses plugins

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 Cwestc.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 Cwestc.com 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

cwestc.com

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