Tools & Wizards About Us
chinadoorwindow.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

chinadoorwindow.com

Jinan Okna CNC Machine CO., LTD - China uPVC & Aluminum Window Manufacturing Machine Suppliers - www.chinadoorwindow.com

Page Load Speed

4.8 sec in total

First Response

571 ms

Resources Loaded

4 sec

Page Rendered

259 ms

chinadoorwindow.com screenshot

About Website

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

China window making machine manufacturers specialized in uPVC and aluminum window making machines, uPVC Window manufactuering machines best price in China, China aluminum & uPVC CNC manufacturing mach...

Visit chinadoorwindow.com

Key Findings

We analyzed Chinadoorwindow.com page load time and found that the first response time was 571 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

chinadoorwindow.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.688

7/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

chinadoorwindow.com

571 ms

chinadoorwindow.com

280 ms

www.chinadoorwindow.com

387 ms

www.chinadoorwindow.com

322 ms

bootstrap.css

286 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 87% of them (55 requests) were addressed to the original Chinadoorwindow.com, 6% (4 requests) were made to Static.addtoany.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Chinadoorwindow.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.9 kB (6%)

Content Size

739.7 kB

After Optimization

691.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chinadoorwindow.com main page is 739.7 kB. 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 512.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 37.6 kB

  • Original 50.2 kB
  • After minification 49.8 kB
  • After compression 12.6 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 37.6 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 2.8 kB

  • Original 512.1 kB
  • After minification 509.2 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. China Door Window images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.0 kB

  • Original 135.4 kB
  • After minification 135.3 kB
  • After compression 131.4 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

-8%

Potential reduce by 3.5 kB

  • Original 42.0 kB
  • After minification 42.0 kB
  • After compression 38.5 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. Chinadoorwindow.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (40%)

Requests Now

53

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Door Window. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chinadoorwindow.com

chinadoorwindow.com

571 ms

chinadoorwindow.com

chinadoorwindow.com

280 ms

www.chinadoorwindow.com

www.chinadoorwindow.com

387 ms

www.chinadoorwindow.com

www.chinadoorwindow.com

322 ms

bootstrap.css

bootstrap.css

286 ms

bxslider.css

bxslider.css

220 ms

style.css

style.css

214 ms

jquery.min.js

jquery.min.js

293 ms

bxslider.min.js

bxslider.min.js

221 ms

common.js

common.js

216 ms

bootstrap.js

bootstrap.js

429 ms

font-awesome.min.css

font-awesome.min.css

427 ms

ionicons.min.css

ionicons.min.css

439 ms

style_1.css

style_1.css

442 ms

jquery.smoove.min.js

jquery.smoove.min.js

520 ms

page.js

page.js

40 ms

lang.js

lang.js

633 ms

js

js

70 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

27 ms

addthis_widget.js

addthis_widget.js

50 ms

facebook.png

facebook.png

266 ms

twitter.png

twitter.png

266 ms

linkedin.png

linkedin.png

264 ms

google.png

google.png

297 ms

instagram.png

instagram.png

297 ms

pinterest.png

pinterest.png

523 ms

64d48a4c53297.jpg

64d48a4c53297.jpg

533 ms

64d1f94a17346.jpg

64d1f94a17346.jpg

661 ms

64d1f9199f993.jpg

64d1f9199f993.jpg

521 ms

64d1f931ab9ec.jpg

64d1f931ab9ec.jpg

634 ms

64d2f9275180c.jpg

64d2f9275180c.jpg

499 ms

64d30944e81be.jpg

64d30944e81be.jpg

710 ms

64d30dea36d03.jpg

64d30dea36d03.jpg

725 ms

64d312947bffd.jpg

64d312947bffd.jpg

738 ms

64d3168805c28.jpg

64d3168805c28.jpg

742 ms

64d31a10ec6fb.jpg

64d31a10ec6fb.jpg

845 ms

64d31b1853e16.jpg

64d31b1853e16.jpg

870 ms

64d31be25adaa.jpg

64d31be25adaa.jpg

919 ms

20220606144528_61237.jpg

20220606144528_61237.jpg

1000 ms

verify.html

verify.html

1166 ms

6046f518611d5.jpg

6046f518611d5.jpg

1083 ms

ico_deutsch1.gif

ico_deutsch1.gif

1057 ms

ico_espanol.gif

ico_espanol.gif

1079 ms

ico_francies.gif

ico_francies.gif

1128 ms

ico_italino.gif

ico_italino.gif

1210 ms

ico_portgues.gif

ico_portgues.gif

1266 ms

ico_japan.jpg

ico_japan.jpg

1291 ms

ico_korea.jpg

ico_korea.jpg

1294 ms

ico_arabia.jpg

ico_arabia.jpg

1340 ms

ico_russia.jpg

ico_russia.jpg

1369 ms

bx_loader.gif

bx_loader.gif

1348 ms

line.gif

line.gif

1424 ms

629da592ef4ff.jpg

629da592ef4ff.jpg

1562 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1484 ms

sm.25.html

sm.25.html

14 ms

eso.Ep5bSEmr.js

eso.Ep5bSEmr.js

29 ms

controls.png

controls.png

1450 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1424 ms

decor-brand-red.png

decor-brand-red.png

1372 ms

collect

collect

1376 ms

icons.37.svg.js

icons.37.svg.js

18 ms

glyphicons-halflings-regular.ttf

glyphicons-halflings-regular.ttf

278 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

326 ms

Accessibility Review

chinadoorwindow.com accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

chinadoorwindow.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

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

SEO Factors

chinadoorwindow.com SEO score

83

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 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 Chinadoorwindow.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 Chinadoorwindow.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

chinadoorwindow.com

Open Graph description is not detected on the main page of China Door Window. 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: