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jdcc.com.cn screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

jdcc.com.cn

China Pre-Engineered Steel Structure Buildings, Animal Husbandry Buildings and Equipment, Building Accessories Suppliers, Manufacturers, Factory - JDC...

Page Load Speed

4.1 sec in total

First Response

791 ms

Resources Loaded

2.9 sec

Page Rendered

460 ms

jdcc.com.cn screenshot

About Website

Welcome to jdcc.com.cn homepage info - get ready to check JDCC best content right away, or after learning these important things about jdcc.com.cn

Qingdao Jingdao Credit Construction Steel Structure Co., Ltd: Welcome to buy animal husbandry buildings and equipment, building accessories, steel structure residential buildings for sale here from pr...

Visit jdcc.com.cn

Key Findings

We analyzed Jdcc.com.cn page load time and found that the first response time was 791 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jdcc.com.cn performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

Network Requests Diagram

jdcc.com.cn

791 ms

www.jdccsteelstructure.com

395 ms

www.jdccsteelstructure.com

280 ms

swiper.min.css

207 ms

font-awesome.min.css

356 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Jdcc.com.cn, 60% (41 requests) were made to Jdccsteelstructure.com and 21% (14 requests) were made to Css02.v15cdn.com. The less responsive or slowest element that took the longest time to load (952 ms) relates to the external source Jdccsteelstructure.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 389.6 kB (21%)

Content Size

1.8 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jdcc.com.cn 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. 45% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 28.2 kB

  • Original 35.5 kB
  • After minification 34.1 kB
  • After compression 7.2 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 28.2 kB or 80% of the original size.

Image Optimization

-21%

Potential reduce by 359.1 kB

  • Original 1.7 MB
  • After minification 1.3 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. Obviously, JDCC needs image optimization as it can save up to 359.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 1.7 kB

  • Original 72.7 kB
  • After minification 72.7 kB
  • After compression 71.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 491 B

  • Original 20.8 kB
  • After minification 20.8 kB
  • After compression 20.3 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. Jdcc.com.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (39%)

Requests Now

64

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JDCC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jdcc.com.cn

jdcc.com.cn

791 ms

www.jdccsteelstructure.com

www.jdccsteelstructure.com

395 ms

www.jdccsteelstructure.com

www.jdccsteelstructure.com

280 ms

swiper.min.css

swiper.min.css

207 ms

font-awesome.min.css

font-awesome.min.css

356 ms

animate.min.css

animate.min.css

358 ms

style.css

style.css

240 ms

jquery-2.1.4.min.js

jquery-2.1.4.min.js

219 ms

sitecommon.js

sitecommon.js

213 ms

Other.css

Other.css

71 ms

Site_Common.js

Site_Common.js

215 ms

swiper.min.js

swiper.min.js

221 ms

wow.min.js

wow.min.js

215 ms

index.js

index.js

296 ms

count2.js

count2.js

213 ms

float26478.js

float26478.js

144 ms

logo202101091351145903709.jpg

logo202101091351145903709.jpg

70 ms

banner-btn-w.webp

banner-btn-w.webp

48 ms

right.webp

right.webp

48 ms

ind-icon01.webp

ind-icon01.webp

59 ms

ind-icon01-w.webp

ind-icon01-w.webp

58 ms

ind-icon02.webp

ind-icon02.webp

60 ms

ind-icon02-w.webp

ind-icon02-w.webp

60 ms

ind-icon03.webp

ind-icon03.webp

59 ms

ind-icon03-w.webp

ind-icon03-w.webp

57 ms

ind-icon04.webp

ind-icon04.webp

65 ms

ind-icon04-w.webp

ind-icon04-w.webp

74 ms

contact-bg.webp

contact-bg.webp

71 ms

contact-phone.webp

contact-phone.webp

66 ms

right-b.webp

right-b.webp

67 ms

ba202101231746451533185.jpg

ba202101231746451533185.jpg

597 ms

ba202101231746267340342.jpg

ba202101231746267340342.jpg

661 ms

ba202101231745563178256.jpg

ba202101231745563178256.jpg

675 ms

202101261731500f2608d417d24e23ad44d897b5b0d8e6.jpg

202101261731500f2608d417d24e23ad44d897b5b0d8e6.jpg

329 ms

20210126173155b43a9df483d84e1182cb697f229549cb.jpg

20210126173155b43a9df483d84e1182cb697f229549cb.jpg

411 ms

20210126173201ead440630eae48c6a60c7093110d38e6.jpg

20210126173201ead440630eae48c6a60c7093110d38e6.jpg

404 ms

prefabricated-steel-structure-building51310573394.jpg

prefabricated-steel-structure-building51310573394.jpg

437 ms

metal-frame-workshop51537472482.jpg

metal-frame-workshop51537472482.jpg

478 ms

steel-frame-warehouse30243782721.jpg

steel-frame-warehouse30243782721.jpg

495 ms

steel-prefabricated-hotel-building25334919005.jpg

steel-prefabricated-hotel-building25334919005.jpg

524 ms

glass-facade-high-rise-building30112713297.jpg

glass-facade-high-rise-building30112713297.jpg

565 ms

multi-storey-steel-frame-construction17561385274.jpg

multi-storey-steel-frame-construction17561385274.jpg

599 ms

steel-apartment-building46354513420.jpg

steel-apartment-building46354513420.jpg

631 ms

prefabricated-modular-building17240224287.jpg

prefabricated-modular-building17240224287.jpg

687 ms

2020122517335608dddf8af02f4abb88a67d174b5b4605.jpg

2020122517335608dddf8af02f4abb88a67d174b5b4605.jpg

745 ms

n202101130949401923887.jpg

n202101130949401923887.jpg

703 ms

n202110281740320023525.jpg

n202110281740320023525.jpg

742 ms

n202110281738223985560.jpg

n202110281738223985560.jpg

769 ms

s

s

727 ms

amore.webp

amore.webp

116 ms

pt.png

pt.png

721 ms

de.png

de.png

751 ms

it.png

it.png

773 ms

tr.png

tr.png

778 ms

ar.png

ar.png

792 ms

ru.png

ru.png

795 ms

lt.png

lt.png

800 ms

il.png

il.png

830 ms

gr.png

gr.png

844 ms

hu.png

hu.png

853 ms

nl.png

nl.png

896 ms

fj.png

fj.png

901 ms

online.png

online.png

899 ms

email.png

email.png

903 ms

wechat.png

wechat.png

914 ms

fd_img.png

fd_img.png

926 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

27 ms

top.png

top.png

952 ms

Accessibility Review

jdcc.com.cn accessibility score

78

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

jdcc.com.cn 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jdcc.com.cn SEO score

82

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

jdcc.com.cn

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