Tools & Wizards About Us
csdongke.com screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

csdongke.com

高效无声膨胀剂_爆破岩石破碎剂_静态爆破剂价格_混凝土养护剂_水性脱模剂厂家-长沙东科建材科技有限公司官网

Page Load Speed

14.3 sec in total

First Response

1.1 sec

Resources Loaded

11.6 sec

Page Rendered

1.6 sec

csdongke.com screenshot

About Website

Visit csdongke.com now to see the best up-to-date Csdongke content and also check out these interesting facts you probably never knew about csdongke.com

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Visit csdongke.com

Key Findings

We analyzed Csdongke.com page load time and found that the first response time was 1.1 sec and then it took 13.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

csdongke.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value3,310 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.238

52/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

www.csdongke.com

1130 ms

common.css

220 ms

jquery-1.11.1.min.js

872 ms

my.js

434 ms

jquery.validate.js

444 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 56% of them (35 requests) were addressed to the original Csdongke.com, 11% (7 requests) were made to G.alicdn.com and 6% (4 requests) were made to Player.youku.com. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Csdongke.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 284.2 kB (5%)

Content Size

6.0 MB

After Optimization

5.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csdongke.com main page is 6.0 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. 50% of websites need less resources to load. Images take 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 20.4 kB

  • Original 27.4 kB
  • After minification 27.1 kB
  • After compression 7.0 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 20.4 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 228.3 kB

  • Original 5.7 MB
  • After minification 5.4 MB

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. Csdongke images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 34.9 kB

  • Original 319.0 kB
  • After minification 311.9 kB
  • After compression 284.0 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 34.9 kB or 11% of the original size.

CSS Optimization

-5%

Potential reduce by 509 B

  • Original 10.0 kB
  • After minification 10.0 kB
  • After compression 9.5 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. Csdongke.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (53%)

Requests Now

60

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csdongke. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.csdongke.com

www.csdongke.com

1130 ms

common.css

common.css

220 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

872 ms

my.js

my.js

434 ms

jquery.validate.js

jquery.validate.js

444 ms

layer.js

layer.js

439 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

441 ms

script.js

script.js

439 ms

png.js

png.js

650 ms

reset.css

reset.css

652 ms

style.css

style.css

653 ms

search.jpg

search.jpg

651 ms

logo.jpg

logo.jpg

921 ms

56e3dc928e7f2.jpg

56e3dc928e7f2.jpg

2803 ms

56e3e13661baf.jpg

56e3e13661baf.jpg

3450 ms

56e3fc8201a6c.jpg

56e3fc8201a6c.jpg

3477 ms

5d5bfa0542fd4.jpg

5d5bfa0542fd4.jpg

4125 ms

img_05.jpg

img_05.jpg

1075 ms

5d5bfa0f87316.jpg

5d5bfa0f87316.jpg

4983 ms

5d5bf9fbb3310.jpg

5d5bf9fbb3310.jpg

5945 ms

5688d2a94fd26.jpg

5688d2a94fd26.jpg

3658 ms

5688d286d3b24.jpg

5688d286d3b24.jpg

4345 ms

56dd79ec83974.png

56dd79ec83974.png

3684 ms

gongan.png

gongan.png

4089 ms

61233e3d11e57.png

61233e3d11e57.png

3899 ms

layer.css

layer.css

3235 ms

icon.png

icon.png

278 ms

top_bg.jpg

top_bg.jpg

279 ms

nav_bg.png

nav_bg.png

278 ms

nav_box_bg.png

nav_box_bg.png

375 ms

img_02.png

img_02.png

434 ms

main_bg.jpg

main_bg.jpg

258 ms

img_01.png

img_01.png

219 ms

XNDM5MzA3Mjg0NA==

XNDM5MzA3Mjg0NA==

540 ms

footer_bg.jpg

footer_bg.jpg

245 ms

fx.png

fx.png

275 ms

hm.js

hm.js

1463 ms

iframeapi

iframeapi

344 ms

unifull.min.css

unifull.min.css

332 ms

aplus_o.js

aplus_o.js

126 ms

yksdk.js

yksdk.js

962 ms

youku-player.umd.min.js

youku-player.umd.min.js

1161 ms

eg.js

eg.js

455 ms

hm.gif

hm.gif

353 ms

yt.gif

yt.gif

1469 ms

index.js

index.js

240 ms

index.js

index.js

223 ms

baxiaCommon.js

baxiaCommon.js

53 ms

index.js

index.js

654 ms

g.alicdn.com

g.alicdn.com

656 ms

et_n.js

et_n.js

654 ms

ikuAdapterNew.js

ikuAdapterNew.js

639 ms

awsc.js

awsc.js

562 ms

a0a3a000c57e4990a3921c63f4c00056.js

a0a3a000c57e4990a3921c63f4c00056.js

1541 ms

youkuplayer.fdl.ykplayer_process

youkuplayer.fdl.ykplayer_process

1598 ms

qr

qr

1375 ms

youkuplayer.fdl.page_error

youkuplayer.fdl.page_error

1832 ms

1

1

2291 ms

TB1hptSeMMPMeJjy1XcXXXpppXa-58-58.png

TB1hptSeMMPMeJjy1XcXXXpppXa-58-58.png

419 ms

rp

rp

729 ms

collina.js

collina.js

115 ms

rp

rp

862 ms

youkuplayer.fdl.playerckey

youkuplayer.fdl.playerckey

660 ms

Accessibility Review

csdongke.com accessibility score

56

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

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

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

csdongke.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

csdongke.com SEO score

92

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

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csdongke.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 Csdongke.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

csdongke.com

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