Tools & Wizards About Us
jsdongchengtools.en.alibaba.com screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

jsdongchengtools.en.alibaba.com

Company Overview - Jiangsu Dongcheng M&e Tools Co., Ltd.

Page Load Speed

3.3 sec in total

First Response

309 ms

Resources Loaded

2.7 sec

Page Rendered

309 ms

jsdongchengtools.en.alibaba.com screenshot

About Website

Click here to check amazing Js Dongcheng Tools En Alibaba content for China. Otherwise, check out these important facts you probably never knew about jsdongchengtools.en.alibaba.com

Jiangsu Dongcheng M&e Tools Co., Ltd. Products:Power Tools; Pneumatic Tools; Outdoor Power Equipment, Measuring Tools, Welding Machines

Visit jsdongchengtools.en.alibaba.com

Key Findings

We analyzed Jsdongchengtools.en.alibaba.com page load time and found that the first response time was 309 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jsdongchengtools.en.alibaba.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value18.5 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value6,080 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.284

42/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

jsdongchengtools.en.alibaba.com

309 ms

jsdongchengtools.en.alibaba.com

317 ms

100 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

50 ms

index.js

98 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Jsdongchengtools.en.alibaba.com, 25% (8 requests) were made to S.alicdn.com and 16% (5 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 840.2 kB (46%)

Content Size

1.8 MB

After Optimization

973.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jsdongchengtools.en.alibaba.com main page is 1.8 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. 35% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 297.1 kB

  • Original 377.7 kB
  • After minification 376.9 kB
  • After compression 80.6 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 297.1 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 7.2 kB
  • After minification 7.2 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. Js Dongcheng Tools En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 543.1 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.3 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 543.1 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (53%)

Requests Now

30

After Optimization

14

  • AJAX
  • Images
  • JavaScript

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Js Dongcheng Tools En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jsdongchengtools.en.alibaba.com

jsdongchengtools.en.alibaba.com

309 ms

jsdongchengtools.en.alibaba.com

jsdongchengtools.en.alibaba.com

317 ms

100 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

50 ms

index.js

index.js

98 ms

index.js

index.js

56 ms

renderHeader.js

renderHeader.js

54 ms

S0e2b1e13e4584320afd661162f0628b6M.jpg

S0e2b1e13e4584320afd661162f0628b6M.jpg

1741 ms

H2efff1a9023c43fbae56aa1050c133b2j.jpg

H2efff1a9023c43fbae56aa1050c133b2j.jpg

403 ms

S346d8559ae3a4cfc96b73ffd70d8d8a6H.jpg

S346d8559ae3a4cfc96b73ffd70d8d8a6H.jpg

2052 ms

H1336101f229644bdbcf93e0d9939b0fc8.png

H1336101f229644bdbcf93e0d9939b0fc8.png

978 ms

Electrical-1020W-high-power-adjustable-speed-cordless.jpg_720x720.jpg

Electrical-1020W-high-power-adjustable-speed-cordless.jpg_720x720.jpg

337 ms

S24d66c18fcdb44319b0fede3bd18283a7.jpg

S24d66c18fcdb44319b0fede3bd18283a7.jpg

1086 ms

S319f3da0be3042948819727c8b575c88m.jpg

S319f3da0be3042948819727c8b575c88m.jpg

594 ms

Haa67afdd7ac94588af17eb40f2ac4538n.jpeg

Haa67afdd7ac94588af17eb40f2ac4538n.jpeg

362 ms

awsc.js

awsc.js

163 ms

28 ms

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Hd94178dff25f45aba1a2c536a141bce6n.png

127 ms

TB1M6m.zxTpK1RjSZFMXXbG_VXa-84-72.png

TB1M6m.zxTpK1RjSZFMXXbG_VXa-84-72.png

132 ms

Haae3c61e570f4f2db0bb7dbe214ad1d3r.png

Haae3c61e570f4f2db0bb7dbe214ad1d3r.png

308 ms

Hd830434e73f548edb4df313c445aee25h.png

Hd830434e73f548edb4df313c445aee25h.png

128 ms

S2bc6186e2e4446e285879896caabe670e.jpg

S2bc6186e2e4446e285879896caabe670e.jpg

392 ms

TB1V6e.zxTpK1RjSZFMXXbG_VXa-48-72.png

TB1V6e.zxTpK1RjSZFMXXbG_VXa-48-72.png

138 ms

Hf043e1ca2def4b4085b4b1981134aef3V.jpg

Hf043e1ca2def4b4085b4b1981134aef3V.jpg

689 ms

7.gif

7.gif

57 ms

et_n.js

et_n.js

40 ms

um.js

um.js

36 ms

wu.json

wu.json

25 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

28 ms

eg.js

eg.js

3 ms

index.js

index.js

3 ms

Accessibility Review

jsdongchengtools.en.alibaba.com accessibility score

73

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

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

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

jsdongchengtools.en.alibaba.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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jsdongchengtools.en.alibaba.com SEO score

79

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsdongchengtools.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Jsdongchengtools.en.alibaba.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

jsdongchengtools.en.alibaba.com

Open Graph data is detected on the main page of Js Dongcheng Tools En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: