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

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

langweitech.en.alibaba.com

Langwei Technology (ningbo) Co., Ltd - Wireless charger, Power bank

Page Load Speed

2.6 sec in total

First Response

76 ms

Resources Loaded

2.3 sec

Page Rendered

250 ms

langweitech.en.alibaba.com screenshot

About Website

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

Langwei Technology (ningbo) Co., Ltd, Experts in Manufacturing and Exporting Wireless charger, Power bank and 0 more Products.

Visit langweitech.en.alibaba.com

Key Findings

We analyzed Langweitech.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

langweitech.en.alibaba.com performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value8,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.995

2/100

15%

TTI (Time to Interactive)

Value31.0 s

0/100

10%

Network Requests Diagram

langweitech.en.alibaba.com

76 ms

langweitech.en.alibaba.com

718 ms

52 ms

39 ms

35 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Langweitech.en.alibaba.com, 34% (33 requests) were made to S.alicdn.com and 25% (24 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.8 MB (59%)

Content Size

6.5 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Langweitech.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 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 350.3 kB

  • Original 438.3 kB
  • After minification 434.4 kB
  • After compression 88.0 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 350.3 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 26.9 kB

  • Original 430.1 kB
  • After minification 403.2 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. Langwei Tech En Alibaba images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 3.1 MB

  • Original 5.2 MB
  • After minification 5.2 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 3.1 MB or 60% of the original size.

CSS Optimization

-72%

Potential reduce by 292.0 kB

  • Original 404.0 kB
  • After minification 353.2 kB
  • After compression 112.1 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. Langweitech.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 292.0 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (54%)

Requests Now

85

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Langwei Tech 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

langweitech.en.alibaba.com

langweitech.en.alibaba.com

76 ms

langweitech.en.alibaba.com

langweitech.en.alibaba.com

718 ms

52 ms

39 ms

35 ms

header.css

header.css

36 ms

header.js

header.js

107 ms

web-index.css

web-index.css

36 ms

web-index.css

web-index.css

95 ms

web-index.css

web-index.css

96 ms

web-index.css

web-index.css

48 ms

web-index.css

web-index.css

47 ms

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O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

107 ms

162 ms

103 ms

index.js

index.js

101 ms

103 ms

awsc.js

awsc.js

138 ms

101 ms

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220 ms

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740 ms

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319 ms

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406 ms

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406 ms

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406 ms

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444 ms

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443 ms

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442 ms

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442 ms

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860 ms

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442 ms

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806 ms

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469 ms

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471 ms

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467 ms

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TB2huG7jKOSBuNjy0FdXXbDnVXa-3528491912.png

805 ms

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492 ms

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492 ms

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535 ms

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534 ms

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535 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

537 ms

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TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

539 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

177 ms

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TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

86 ms

H1b0ee0f7315544ea89d0b1f2966e9972N.jpg_q80.jpg

H1b0ee0f7315544ea89d0b1f2966e9972N.jpg_q80.jpg

215 ms

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404 ms

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894 ms

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1154 ms

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849 ms

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538 ms

78 ms

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526 ms

Heb0eaed2861f4677869ee9443724a4c9M.jpg

Heb0eaed2861f4677869ee9443724a4c9M.jpg

304 ms

roboto-regular.woff

roboto-regular.woff

74 ms

roboto-medium.woff

roboto-medium.woff

170 ms

roboto-light.woff

roboto-light.woff

181 ms

roboto-thin.woff

roboto-thin.woff

189 ms

roboto-bold.woff

roboto-bold.woff

190 ms

personTipsInfo.do

personTipsInfo.do

247 ms

eg.js

eg.js

237 ms

et_n.js

et_n.js

128 ms

um.js

um.js

277 ms

sc.globalxman.appscene

sc.globalxman.appscene

224 ms

icon-font.woff

icon-font.woff

105 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

291 ms

footer.css

footer.css

100 ms

light0.5x.png

light0.5x.png

103 ms

pages_version.html

pages_version.html

132 ms

defer-common.js

defer-common.js

191 ms

i.alicdn.com

i.alicdn.com

147 ms

index.js

index.js

73 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

54 ms

index.js

index.js

79 ms

index.js

index.js

108 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

53 ms

7.gif

7.gif

53 ms

wu.json

wu.json

95 ms

index.js

index.js

117 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

96 ms

baxiaCommon.js

baxiaCommon.js

28 ms

rp

rp

1091 ms

index.web.css

index.web.css

11 ms

index.web.js

index.web.js

52 ms

index.js

index.js

44 ms

um.json

um.json

208 ms

index.css

index.css

176 ms

store-proxy.html

store-proxy.html

151 ms

countryCurrencyDataService

countryCurrencyDataService

177 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

134 ms

personRoleInfo.do

personRoleInfo.do

143 ms

notification.do

notification.do

188 ms

availableSurveyQuery.json

availableSurveyQuery.json

80 ms

getUmid.do

getUmid.do

26 ms

iconfont.woff

iconfont.woff

3 ms

iconfont.woff

iconfont.woff

3 ms

Accessibility Review

langweitech.en.alibaba.com accessibility score

41

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

langweitech.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

langweitech.en.alibaba.com SEO score

79

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

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 Langweitech.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 Langweitech.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

langweitech.en.alibaba.com

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