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

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

dysglass.en.alibaba.com

Shenzhen Dayang Special Glass Co., Ltd. - Laminated Glass, Toughened Glass

Page Load Speed

3.1 sec in total

First Response

10 ms

Resources Loaded

2.5 sec

Page Rendered

563 ms

dysglass.en.alibaba.com screenshot

About Website

Visit dysglass.en.alibaba.com now to see the best up-to-date Dys Glass En Alibaba content for China and also check out these interesting facts you probably never knew about dysglass.en.alibaba.com

Shenzhen Dayang Special Glass Co., Ltd., Experts in Manufacturing and Exporting Laminated Glass, Toughened Glass and 0 more Products.

Visit dysglass.en.alibaba.com

Key Findings

We analyzed Dysglass.en.alibaba.com page load time and found that the first response time was 10 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dysglass.en.alibaba.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value4,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.277

44/100

15%

TTI (Time to Interactive)

Value30.5 s

0/100

10%

Network Requests Diagram

dysglass.en.alibaba.com

10 ms

dysglass.en.alibaba.com

1506 ms

53 ms

47 ms

header.css

51 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Dysglass.en.alibaba.com, 51% (58 requests) were made to S.alicdn.com and 8% (9 requests) were made to Sc01.alicdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.8 MB (60%)

Content Size

6.4 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dysglass.en.alibaba.com main page is 6.4 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. Only a small number of websites need less resources to load. Javascripts take 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 719.1 kB

  • Original 852.3 kB
  • After minification 848.4 kB
  • After compression 133.2 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 719.1 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 31.3 kB

  • Original 363.5 kB
  • After minification 332.3 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. Dys Glass En Alibaba images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 2.9 MB

  • Original 5.0 MB
  • After minification 5.0 MB
  • After compression 2.1 MB

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 2.9 MB or 58% of the original size.

CSS Optimization

-84%

Potential reduce by 203.0 kB

  • Original 240.6 kB
  • After minification 189.8 kB
  • After compression 37.7 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. Dysglass.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 203.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (45%)

Requests Now

102

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dys Glass 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 29 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dysglass.en.alibaba.com

dysglass.en.alibaba.com

10 ms

dysglass.en.alibaba.com

dysglass.en.alibaba.com

1506 ms

53 ms

47 ms

header.css

header.css

51 ms

header.js

header.js

145 ms

40 ms

web-index.css

web-index.css

107 ms

web-index.css

web-index.css

108 ms

web-index.css

web-index.css

109 ms

web-index.css

web-index.css

110 ms

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web-index.css

110 ms

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144 ms

182 ms

127 ms

index.js

index.js

126 ms

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519 ms

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326 ms

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391 ms

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480 ms

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106 ms

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299 ms

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300 ms

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325 ms

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142 ms

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132 ms

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148 ms

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300 ms

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366 ms

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649 ms

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391 ms

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666 ms

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726 ms

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620 ms

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520 ms

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515 ms

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323 ms

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295 ms

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296 ms

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514 ms

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295 ms

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387 ms

roboto-regular.woff

roboto-regular.woff

297 ms

roboto-medium.woff

roboto-medium.woff

296 ms

roboto-light.woff

roboto-light.woff

324 ms

roboto-thin.woff

roboto-thin.woff

361 ms

roboto-bold.woff

roboto-bold.woff

342 ms

awsc.js

awsc.js

291 ms

105 ms

102 ms

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516 ms

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469 ms

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469 ms

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513 ms

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472 ms

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777 ms

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1306 ms

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570 ms

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580 ms

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774 ms

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773 ms

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1004 ms

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713 ms

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1155 ms

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1466 ms

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865 ms

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782 ms

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512 ms

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1193 ms

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1625 ms

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1475 ms

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1307 ms

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personTipsInfo.do

266 ms

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1145 ms

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eg.js

258 ms

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117 ms

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975 ms

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243 ms

footer.css

footer.css

977 ms

et_n.js

et_n.js

69 ms

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um.js

155 ms

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35 ms

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index.js

30 ms

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29 ms

7.gif

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47 ms

wu.json

wu.json

27 ms

baxiaCommon.js

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14 ms

rp

rp

1118 ms

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um.json

54 ms

getUmid.do

getUmid.do

29 ms

540 ms

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94 ms

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163 ms

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52 ms

pages_version.html

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46 ms

sc.sc_header_footer.schd_coms

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26 ms

defer-common.js

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178 ms

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177 ms

index.js

index.js

72 ms

index.web.css

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16 ms

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50 ms

availableSurveyQuery.json

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193 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

139 ms

store-proxy.html

store-proxy.html

207 ms

countryCurrencyDataService

countryCurrencyDataService

122 ms

sc.sc_header_footer.sc_hds

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98 ms

personRoleInfo.do

personRoleInfo.do

89 ms

notification.do

notification.do

108 ms

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48 ms

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34 ms

iconfont.woff

iconfont.woff

26 ms

iconfont.woff

iconfont.woff

6 ms

Accessibility Review

dysglass.en.alibaba.com accessibility score

68

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

dysglass.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

dysglass.en.alibaba.com SEO score

71

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

High

Document doesn't have a valid hreflang

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 Dysglass.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 Dysglass.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

dysglass.en.alibaba.com

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