Tools & Wizards About Us
js-dw.com screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

js-dw.com

盾王安全鞋-江苏盾王科技集团有限公司

Page Load Speed

46.1 sec in total

First Response

5.5 sec

Resources Loaded

40.2 sec

Page Rendered

284 ms

js-dw.com screenshot

About Website

Click here to check amazing Js Dw content. Otherwise, check out these important facts you probably never knew about js-dw.com

江苏盾王科技集团有限公司创建于1992年，公司注册资本11188万元，拥有员工500多人，其中高级工程师20多人,是集生产、销售、服务为一体的专业安全鞋品牌生产厂家。

Visit js-dw.com

Key Findings

We analyzed Js-dw.com page load time and found that the first response time was 5.5 sec and then it took 40.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

js-dw.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

88/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.394

26/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

js-dw.com

5549 ms

style.css

4907 ms

jquery.js

5882 ms

wpyou.js

6622 ms

easySlider1.5.js

8669 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 51% of them (33 requests) were addressed to the original Js-dw.com, 23% (15 requests) were made to Qiao.baidu.com and 8% (5 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (18.7 sec) belongs to the original domain Js-dw.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.1 kB (66%)

Content Size

212.9 kB

After Optimization

72.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Js-dw.com main page is 212.9 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. CSS take 78.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 34.5 kB

  • Original 42.4 kB
  • After minification 35.4 kB
  • After compression 7.8 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 7.0 kB, which is 17% 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 34.5 kB or 82% of the original size.

Image Optimization

-18%

Potential reduce by 7.6 kB

  • Original 40.9 kB
  • After minification 33.3 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, Js Dw needs image optimization as it can save up to 7.6 kB or 18% 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 33.1 kB

  • Original 50.9 kB
  • After minification 46.2 kB
  • After compression 17.8 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 33.1 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 64.9 kB

  • Original 78.7 kB
  • After minification 62.7 kB
  • After compression 13.8 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. Js-dw.com needs all CSS files to be minified and compressed as it can save up to 64.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (48%)

Requests Now

64

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Js Dw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

js-dw.com

js-dw.com

5549 ms

style.css

style.css

4907 ms

jquery.js

jquery.js

5882 ms

wpyou.js

wpyou.js

6622 ms

easySlider1.5.js

easySlider1.5.js

8669 ms

styles.css

styles.css

7165 ms

l10n.js

l10n.js

7704 ms

jquery(1).js

jquery(1).js

18004 ms

comm.js

comm.js

9066 ms

default.css

default.css

7129 ms

qqkf.js

qqkf.js

6637 ms

jquery.form.js

jquery.form.js

8655 ms

scripts.js

scripts.js

7033 ms

logo.png

logo.png

3630 ms

400TEL.gif

400TEL.gif

1748 ms

8281PU_all_0_small.gif

8281PU_all_0_small.gif

3775 ms

7299_all_1_small.gif

7299_all_1_small.gif

4260 ms

7159_all_0_small.gif

7159_all_0_small.gif

13451 ms

9107_all_0_small.gif

9107_all_0_small.gif

7905 ms

1168_all_0_small.gif

1168_all_0_small.gif

9558 ms

4381_all_0_small.gif

4381_all_0_small.gif

10820 ms

9124_all_1_small.gif

9124_all_1_small.gif

18741 ms

9807_all_0_small.gif

9807_all_0_small.gif

10841 ms

20131014152551828.png

20131014152551828.png

11466 ms

icon_person_stat_online.gif

icon_person_stat_online.gif

12074 ms

menu.png

menu.png

11308 ms

sitehome.gif

sitehome.gif

11709 ms

border.gif

border.gif

11883 ms

icon.gif

icon.gif

12028 ms

cslist_top_bg.gif

cslist_top_bg.gif

12203 ms

cslist_top_shut.gif

cslist_top_shut.gif

12417 ms

cslist_mid_bg.gif

cslist_mid_bg.gif

12494 ms

cslist_btm_bg.gif

cslist_btm_bg.gif

12456 ms

h.js

h.js

716 ms

b.js

b.js

3926 ms

shell_v2.js

shell_v2.js

588 ms

hm.gif

hm.gif

316 ms

logger.js

logger.js

272 ms

bds_s_v2.js

bds_s_v2.js

1117 ms

bdsstyle.css

bdsstyle.css

277 ms

l3.gif

l3.gif

341 ms

bsl.js

bsl.js

4552 ms

Enter.php

Enter.php

980 ms

main_icon_invite_mess_api.js

main_icon_invite_mess_api.js

5392 ms

main.css

main.css

2915 ms

fix.css

fix.css

2634 ms

version.js

version.js

937 ms

02.jpg

02.jpg

795 ms

m-webim-lite.css

m-webim-lite.css

2432 ms

m-webim-lite.js

m-webim-lite.js

2328 ms

Refresh.php

Refresh.php

445 ms

stat.gif

stat.gif

901 ms

iconbg.jpg

iconbg.jpg

5101 ms

06.png

06.png

898 ms

icon.png

icon.png

2671 ms

icon_close.png

icon_close.png

1788 ms

mess-text.png

mess-text.png

1326 ms

messbtn.png

messbtn.png

1803 ms

mess.gif

mess.gif

2164 ms

btn.png

btn.png

2262 ms

button_11.gif

button_11.gif

1550 ms

button_11.gif

button_11.gif

1592 ms

button_11.gif

button_11.gif

1558 ms

button_11.gif

button_11.gif

1596 ms

button_11.gif

button_11.gif

596 ms

Accessibility Review

js-dw.com accessibility score

78

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

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

js-dw.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

js-dw.com SEO score

91

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

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

High

Tap targets are not sized appropriately

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 Js-dw.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 Js-dw.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

js-dw.com

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