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

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dgdc.en.alibaba.com

Company Overview - Guangdong Dachang Energy-Saving Insulation Technology Ltd.

Page Load Speed

6.7 sec in total

First Response

1.5 sec

Resources Loaded

4.7 sec

Page Rendered

481 ms

dgdc.en.alibaba.com screenshot

About Website

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

Guangdong Dachang Energy-Saving Insulation Technology Ltd. Products:Cold Room,Cold Room Panels,PIR Insulation Panels,Ice Storage Freezers,Blast Freezers

Visit dgdc.en.alibaba.com

Key Findings

We analyzed Dgdc.en.alibaba.com page load time and found that the first response time was 1.5 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

dgdc.en.alibaba.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value3,740 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value23.9 s

1/100

10%

Network Requests Diagram

dgdc.en.alibaba.com

1472 ms

dgdc.en.alibaba.com

396 ms

78 ms

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

31 ms

index.js

46 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Dgdc.en.alibaba.com, 61% (33 requests) were made to S.alicdn.com and 7% (4 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (43%)

Content Size

2.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dgdc.en.alibaba.com main page is 2.7 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. 30% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 485.6 kB

  • Original 586.3 kB
  • After minification 585.6 kB
  • After compression 100.7 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. 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 485.6 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 6.9 kB

  • Original 510.9 kB
  • After minification 503.9 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. Dgdc En Alibaba images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 644.7 kB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 925.9 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 644.7 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (37%)

Requests Now

52

After Optimization

33

  • AJAX
  • Images
  • JavaScript

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dgdc 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

dgdc.en.alibaba.com

dgdc.en.alibaba.com

1472 ms

dgdc.en.alibaba.com

dgdc.en.alibaba.com

396 ms

78 ms

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

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

31 ms

index.js

index.js

46 ms

index.js

index.js

64 ms

renderHeader.js

renderHeader.js

51 ms

awsc.js

awsc.js

34 ms

11 ms

7.gif

7.gif

35 ms

et_n.js

et_n.js

49 ms

um.js

um.js

7 ms

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

74 ms

HTB1lbh9LXXXXXXaXFXX5jXXFXXXs.gif

HTB1lbh9LXXXXXXaXFXX5jXXFXXXs.gif

91 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

93 ms

TB1Roq8fgoQMeJjy0FnXXb8gFXa-1200-250.png

TB1Roq8fgoQMeJjy0FnXXb8gFXa-1200-250.png

61 ms

HTB1wZt8XHSYBuNjSspiq6xNzpXaT.jpg

HTB1wZt8XHSYBuNjSspiq6xNzpXaT.jpg

1481 ms

Frozen-Chicken-Cold-Storage-Room.jpg_480x480.jpg

Frozen-Chicken-Cold-Storage-Room.jpg_480x480.jpg

407 ms

Glass-Door-Display-Walk-In-Freezer-Storage.jpg_480x480.jpg

Glass-Door-Display-Walk-In-Freezer-Storage.jpg_480x480.jpg

470 ms

Small-Size-Walk-In-Cooler-To-Store.jpg_480x480.jpg

Small-Size-Walk-In-Cooler-To-Store.jpg_480x480.jpg

584 ms

Mushroom-Growing-Room-Climate-Control-Equipment.jpg_480x480.jpg

Mushroom-Growing-Room-Climate-Control-Equipment.jpg_480x480.jpg

626 ms

Vegetable-Fruit-Refrigerator-Storage-Cold-Room.jpg_480x480.jpg

Vegetable-Fruit-Refrigerator-Storage-Cold-Room.jpg_480x480.jpg

206 ms

Outdoor-Ice-Storage-Freezer-for-125-bags.jpg_480x480.jpg

Outdoor-Ice-Storage-Freezer-for-125-bags.jpg_480x480.jpg

966 ms

OEM-Portable-Movable-Cold-Room.jpg_480x480.jpg

OEM-Portable-Movable-Cold-Room.jpg_480x480.jpg

679 ms

Glass-Display-10-Door-Walk-In-Flower.jpg_250x250.jpg

Glass-Display-10-Door-Walk-In-Flower.jpg_250x250.jpg

1088 ms

Freezing-Room-to-Storage-Ice-Cream-Frozen.jpg_250x250.jpg

Freezing-Room-to-Storage-Ice-Cream-Frozen.jpg_250x250.jpg

1132 ms

Red-Wine-Cold-Storage-Cold-Room-Cooling.jpg_250x250.jpg

Red-Wine-Cold-Storage-Cold-Room-Cooling.jpg_250x250.jpg

1104 ms

Frozen-Cold-Room-For-Meat-And-Fish.jpg_250x250.jpg

Frozen-Cold-Room-For-Meat-And-Fish.jpg_250x250.jpg

1272 ms

Gas-Station-380-Liters-Stainless-Steel-Ice.jpg_250x250.jpg

Gas-Station-380-Liters-Stainless-Steel-Ice.jpg_250x250.jpg

1517 ms

Solar-Power-190-Bags-Slant-Ice-Cold.jpg_250x250.jpg

Solar-Power-190-Bags-Slant-Ice-Cold.jpg_250x250.jpg

1698 ms

Fan-Cooling-Commercial-Ice-Storage-Machine-Ice.jpg_250x250.jpg

Fan-Cooling-Commercial-Ice-Storage-Machine-Ice.jpg_250x250.jpg

1695 ms

Display-Walk-In-Cooler-14-Glass-Door.jpg_250x250.jpg

Display-Walk-In-Cooler-14-Glass-Door.jpg_250x250.jpg

1266 ms

Glass-Door-Display-Air-Cooler-Cooling-Energy.jpg_250x250.jpg

Glass-Door-Display-Air-Cooler-Cooling-Energy.jpg_250x250.jpg

2071 ms

Glass-Door-Display-For-Beverage-and-Food.jpg_250x250.jpg

Glass-Door-Display-For-Beverage-and-Food.jpg_250x250.jpg

1845 ms

Embossing-Aluminum-20-Degree-C-20-CBM.jpg_250x250.jpg

Embossing-Aluminum-20-Degree-C-20-CBM.jpg_250x250.jpg

1852 ms

High-and-Low-Temperture-Vegetable-Cold-Storage.jpg_250x250.jpg

High-and-Low-Temperture-Vegetable-Cold-Storage.jpg_250x250.jpg

1810 ms

Slid-Door-Cold-Storage-Cold-Room-Cooling.jpg_250x250.jpg

Slid-Door-Cold-Storage-Cold-Room-Cooling.jpg_250x250.jpg

2088 ms

60-Cubic-Metre-Knocked-down-Cool-Room.jpg_250x250.jpg

60-Cubic-Metre-Knocked-down-Cool-Room.jpg_250x250.jpg

2391 ms

Copeland-Cold-Room-Refrigeration-Condenser-Unit-Air.jpg_350x350.jpg

Copeland-Cold-Room-Refrigeration-Condenser-Unit-Air.jpg_350x350.jpg

2331 ms

Cold-Room-Freezer-PU-Polyurethane-Sandwich-Panel.jpg_350x350.jpg

Cold-Room-Freezer-PU-Polyurethane-Sandwich-Panel.jpg_350x350.jpg

2394 ms

Polyurethane-cold-room-monoblock-compressor.jpg_480x480.jpg

Polyurethane-cold-room-monoblock-compressor.jpg_480x480.jpg

2520 ms

Cold-room-100-mm-150-mm-200.jpg_480x480.jpg

Cold-room-100-mm-150-mm-200.jpg_480x480.jpg

2724 ms

-25-Degree-C-Freezer-Room-of.jpg_350x350.jpg

-25-Degree-C-Freezer-Room-of.jpg_350x350.jpg

2818 ms

H37f420ef0b0542ca84580bcf6b1033cc7.jpg

H37f420ef0b0542ca84580bcf6b1033cc7.jpg

709 ms

H64ad51ec1983431db7a9a216c162698eB.jpg

H64ad51ec1983431db7a9a216c162698eB.jpg

646 ms

Habf42965bd9c4d54816071e6a7fe8e8eI.jpg

Habf42965bd9c4d54816071e6a7fe8e8eI.jpg

637 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

105 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

90 ms

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

110 ms

wu.json

wu.json

173 ms

um.json

um.json

58 ms

getUmid.do

getUmid.do

243 ms

eg.js

eg.js

3 ms

index.js

index.js

3 ms

Accessibility Review

dgdc.en.alibaba.com accessibility score

69

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

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

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

dgdc.en.alibaba.com best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

dgdc.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 Dgdc.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 Dgdc.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

dgdc.en.alibaba.com

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