Tools & Wizards About Us
changlingdoors.com screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

changlingdoors.com

浙江群喜门业有限公司_钢木门_室内门_木门_铝木门_别墅门_抗菌门厂家_浙江群喜门业有限公司（长岭门业）

Page Load Speed

24.7 sec in total

First Response

2.5 sec

Resources Loaded

22 sec

Page Rendered

252 ms

changlingdoors.com screenshot

About Website

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

室内门,钢木门,钢木室内门厂家--长岭集团有限公司是由原国家大型军工企业改制组建的股份制上市公司。公司连续八年跻身中国大型工业企业百强之列...

Visit changlingdoors.com

Key Findings

We analyzed Changlingdoors.com page load time and found that the first response time was 2.5 sec and then it took 22.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

changlingdoors.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value32.7 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

changlingdoors.com

2452 ms

css.css

1147 ms

js.js

616 ms

picsize.js

620 ms

lytebox.js

1473 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 86% of them (71 requests) were addressed to the original Changlingdoors.com, 10% (8 requests) were made to Crm.it579.net and 1% (1 request) were made to Download.skype.com. The less responsive or slowest element that took the longest time to load (9.8 sec) relates to the external source Icon.51.la.

Page Optimization Overview & Recommendations

Page size can be reduced by 145.9 kB (14%)

Content Size

1.1 MB

After Optimization

905.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Changlingdoors.com main page is 1.1 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. 25% of websites need less resources to load. Images take 913.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 54.9 kB

  • Original 63.7 kB
  • After minification 51.5 kB
  • After compression 8.9 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 12.2 kB, which is 19% 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 54.9 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 34.5 kB

  • Original 913.3 kB
  • After minification 878.7 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. Changlingdoors images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 43.5 kB

  • Original 57.1 kB
  • After minification 48.8 kB
  • After compression 13.7 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 43.5 kB or 76% of the original size.

CSS Optimization

-77%

Potential reduce by 13.0 kB

  • Original 16.8 kB
  • After minification 13.7 kB
  • After compression 3.8 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. Changlingdoors.com needs all CSS files to be minified and compressed as it can save up to 13.0 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (19%)

Requests Now

81

After Optimization

66

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Changlingdoors. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

changlingdoors.com

changlingdoors.com

2452 ms

css.css

css.css

1147 ms

js.js

js.js

616 ms

picsize.js

picsize.js

620 ms

lytebox.js

lytebox.js

1473 ms

ScrollPic.js

ScrollPic.js

754 ms

qq.asp

qq.asp

297 ms

skypeCheck.js

skypeCheck.js

183 ms

2016.js

2016.js

3108 ms

5738475.js

5738475.js

1054 ms

lytebox.css

lytebox.css

520 ms

bj.jpg

bj.jpg

506 ms

logo.jpg

logo.jpg

761 ms

tu2.jpg

tu2.jpg

512 ms

fangdjing.jpg

fangdjing.jpg

507 ms

sousuo.jpg

sousuo.jpg

507 ms

05.jpg

05.jpg

2556 ms

01.jpg

01.jpg

1485 ms

02.jpg

02.jpg

1714 ms

03.jpg

03.jpg

2573 ms

04.jpg

04.jpg

1795 ms

aboutus.jpg

aboutus.jpg

1055 ms

1(2).jpg

1(2).jpg

1351 ms

dian22.jpg

dian22.jpg

1638 ms

aboutdi.jpg

aboutdi.jpg

1771 ms

jingpintou.jpg

jingpintou.jpg

1952 ms

jingpindi.jpg

jingpindi.jpg

2028 ms

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2101 ms

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3002 ms

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2250 ms

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2285 ms

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2363 ms

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2515 ms

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2546 ms

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2653 ms

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2805 ms

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2825 ms

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2824 ms

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2838 ms

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2910 ms

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3069 ms

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3085 ms

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3089 ms

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3090 ms

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3163 ms

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3263 ms

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3305 ms

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2845 ms

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2848 ms

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2838 ms

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2958 ms

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2784 ms

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2551 ms

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2245 ms

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2132 ms

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1980 ms

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2011 ms

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2019 ms

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2094 ms

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1954 ms

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1879 ms

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1803 ms

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1738 ms

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1765 ms

aboutbj.jpg

aboutbj.jpg

1796 ms

jingpinbj.jpg

jingpinbj.jpg

1675 ms

entry.js

entry.js

1657 ms

zuo.jpg

zuo.jpg

1646 ms

you.jpg

you.jpg

1641 ms

fool.jpg

fool.jpg

1698 ms

fool1.jpg

fool1.jpg

1684 ms

qq_1.gif

qq_1.gif

1665 ms

qq_2.gif

qq_2.gif

1669 ms

qq_8.gif

qq_8.gif

1671 ms

style.css

style.css

3108 ms

buildnormal.js

buildnormal.js

4911 ms

bg.gif

bg.gif

820 ms

icon.gif

icon.gif

485 ms

send.gif

send.gif

415 ms

input.gif

input.gif

809 ms

icon_0.gif

icon_0.gif

9809 ms

weixin2.jpg

weixin2.jpg

405 ms

button_old_101.gif

button_old_101.gif

508 ms

Accessibility Review

changlingdoors.com accessibility score

57

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

changlingdoors.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

changlingdoors.com SEO score

58

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    CN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Changlingdoors.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed language. Our system also found out that Changlingdoors.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

changlingdoors.com

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