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

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

jydultrasonic.en.alibaba.com

Shenzhen Jiayuanda Technology Co., Ltd. - Ultrasonic Lace Sewing Machine, Ultrasonic Food Cutting Machine

Page Load Speed

2.7 sec in total

First Response

76 ms

Resources Loaded

2 sec

Page Rendered

538 ms

jydultrasonic.en.alibaba.com screenshot

About Website

Welcome to jydultrasonic.en.alibaba.com homepage info - get ready to check Jyd Ultrasonic En Alibaba best content for China right away, or after learning these important things about jydultrasonic.en.alibaba.com

Shenzhen Jiayuanda Technology Co., Ltd., Experts in Manufacturing and Exporting Ultrasonic Lace Sewing Machine, Ultrasonic Food Cutting Machine and 0 more Products.

Visit jydultrasonic.en.alibaba.com

Key Findings

We analyzed Jydultrasonic.en.alibaba.com page load time and found that the first response time was 76 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

jydultrasonic.en.alibaba.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value19.7 s

0/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value13,580 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.632

9/100

15%

TTI (Time to Interactive)

Value33.8 s

0/100

10%

Network Requests Diagram

jydultrasonic.en.alibaba.com

76 ms

jydultrasonic.en.alibaba.com

621 ms

64 ms

60 ms

header.css

111 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Jydultrasonic.en.alibaba.com, 32% (38 requests) were made to S.alicdn.com and 24% (29 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.7 MB (58%)

Content Size

6.5 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jydultrasonic.en.alibaba.com main page is 6.5 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 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 389.2 kB

  • Original 483.7 kB
  • After minification 479.8 kB
  • After compression 94.5 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 389.2 kB or 80% of the original size.

Image Optimization

-25%

Potential reduce by 153.2 kB

  • Original 618.3 kB
  • After minification 465.0 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. Obviously, Jyd Ultrasonic En Alibaba needs image optimization as it can save up to 153.2 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 3.0 MB

  • Original 5.1 MB
  • After minification 5.1 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 3.0 MB or 59% of the original size.

CSS Optimization

-64%

Potential reduce by 203.2 kB

  • Original 315.8 kB
  • After minification 265.0 kB
  • After compression 112.7 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. Jydultrasonic.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 203.2 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (46%)

Requests Now

107

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jyd Ultrasonic 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jydultrasonic.en.alibaba.com

jydultrasonic.en.alibaba.com

76 ms

jydultrasonic.en.alibaba.com

jydultrasonic.en.alibaba.com

621 ms

64 ms

60 ms

header.css

header.css

111 ms

header.js

header.js

130 ms

124 ms

web-index.css

web-index.css

120 ms

web-index.css

web-index.css

123 ms

web-index.css

web-index.css

125 ms

web-index.css

web-index.css

262 ms

web-index.css

web-index.css

124 ms

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127 ms

119 ms

113 ms

index.js

index.js

112 ms

113 ms

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513 ms

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191 ms

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521 ms

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108 ms

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38 ms

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107 ms

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95 ms

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519 ms

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519 ms

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512 ms

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512 ms

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648 ms

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595 ms

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1024 ms

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600 ms

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602 ms

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767 ms

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601 ms

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601 ms

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681 ms

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549 ms

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158 ms

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586 ms

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275 ms

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189 ms

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252 ms

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263 ms

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254 ms

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508 ms

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370 ms

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517 ms

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515 ms

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548 ms

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598 ms

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692 ms

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591 ms

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596 ms

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689 ms

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1070 ms

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1069 ms

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643 ms

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1013 ms

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689 ms

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762 ms

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1032 ms

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758 ms

roboto-regular.woff

roboto-regular.woff

88 ms

roboto-medium.woff

roboto-medium.woff

88 ms

roboto-light.woff

roboto-light.woff

99 ms

roboto-thin.woff

roboto-thin.woff

137 ms

roboto-bold.woff

roboto-bold.woff

101 ms

awsc.js

awsc.js

151 ms

67 ms

personTipsInfo.do

personTipsInfo.do

67 ms

eg.js

eg.js

47 ms

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25 ms

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27 ms

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579 ms

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582 ms

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461 ms

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78 ms

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67 ms

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851 ms

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850 ms

et_n.js

et_n.js

115 ms

um.js

um.js

191 ms

icon-font.woff

icon-font.woff

17 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

373 ms

50 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

87 ms

index.js

index.js

217 ms

index.js

index.js

225 ms

index.js

index.js

249 ms

7.gif

7.gif

148 ms

sc.globalxman.appscene

sc.globalxman.appscene

171 ms

footer.css

footer.css

144 ms

wu.json

wu.json

113 ms

baxiaCommon.js

baxiaCommon.js

37 ms

rp

rp

971 ms

light0.5x.png

light0.5x.png

61 ms

pages_version.html

pages_version.html

129 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

39 ms

defer-common.js

defer-common.js

191 ms

i.alicdn.com

i.alicdn.com

127 ms

index.js

index.js

34 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

129 ms

index.css

index.css

59 ms

index.web.css

index.web.css

5 ms

index.web.js

index.web.js

68 ms

index.js

index.js

337 ms

um.json

um.json

284 ms

store-proxy.html

store-proxy.html

220 ms

countryCurrencyDataService

countryCurrencyDataService

242 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

197 ms

personRoleInfo.do

personRoleInfo.do

209 ms

notification.do

notification.do

233 ms

availableSurveyQuery.json

availableSurveyQuery.json

91 ms

getUmid.do

getUmid.do

34 ms

iconfont.woff

iconfont.woff

18 ms

iconfont.woff

iconfont.woff

18 ms

data

data

5 ms

Accessibility Review

jydultrasonic.en.alibaba.com accessibility score

42

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

jydultrasonic.en.alibaba.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

jydultrasonic.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 Jydultrasonic.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 Jydultrasonic.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

jydultrasonic.en.alibaba.com

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