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lwi.en.alibaba.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

lwi.en.alibaba.com

Hangzhou Longwin Industry Limited - Batteries, Solar Energy Products

Page Load Speed

4.6 sec in total

First Response

248 ms

Resources Loaded

3.9 sec

Page Rendered

442 ms

lwi.en.alibaba.com screenshot

About Website

Click here to check amazing Lwi En Alibaba content for China. Otherwise, check out these important facts you probably never knew about lwi.en.alibaba.com

Hangzhou Longwin Industry Limited, Experts in Manufacturing and Exporting Batteries, Solar Energy Products and 0 more Products.

Visit lwi.en.alibaba.com

Key Findings

We analyzed Lwi.en.alibaba.com page load time and found that the first response time was 248 ms and then it took 4.4 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

lwi.en.alibaba.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value6,720 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.125

1/100

15%

TTI (Time to Interactive)

Value27.4 s

0/100

10%

Network Requests Diagram

lwi.en.alibaba.com

248 ms

lwi.en.alibaba.com

699 ms

145 ms

140 ms

header.css

246 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Lwi.en.alibaba.com, 48% (48 requests) were made to S.alicdn.com and 9% (9 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (62%)

Content Size

3.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lwi.en.alibaba.com main page is 3.8 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. 65% of websites need less resources to load. Javascripts take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 711.8 kB

  • Original 838.1 kB
  • After minification 834.2 kB
  • After compression 126.4 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 711.8 kB or 85% of the original size.

Image Optimization

-15%

Potential reduce by 8.9 kB

  • Original 59.5 kB
  • After minification 50.7 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. Obviously, Lwi En Alibaba needs image optimization as it can save up to 8.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 1.4 MB

  • Original 2.6 MB
  • After minification 2.6 MB
  • After compression 1.3 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 1.4 MB or 52% of the original size.

CSS Optimization

-88%

Potential reduce by 285.1 kB

  • Original 323.1 kB
  • After minification 272.2 kB
  • After compression 38.0 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. Lwi.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 285.1 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (58%)

Requests Now

90

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lwi 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 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lwi.en.alibaba.com

lwi.en.alibaba.com

248 ms

lwi.en.alibaba.com

lwi.en.alibaba.com

699 ms

145 ms

140 ms

header.css

header.css

246 ms

header.js

header.js

272 ms

47 ms

web-index.css

web-index.css

251 ms

web-index.css

web-index.css

195 ms

web-index.css

web-index.css

251 ms

web-index.css

web-index.css

271 ms

web-index.css

web-index.css

322 ms

644 ms

322 ms

index.js

index.js

322 ms

496 ms

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654 ms

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655 ms

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436 ms

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712 ms

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731 ms

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813 ms

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1145 ms

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507 ms

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983 ms

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1991 ms

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1072 ms

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1139 ms

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1616 ms

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1234 ms

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1255 ms

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H7fc388b015e04e8cb31b4f76f7bdf0f57.jpg_720x720.jpg

1414 ms

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H1a694903cadc470ea35782875f09f01bs.jpg_480x480.jpg

1466 ms

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H13fc0f9a1bba421e9bb0f76aa11b4b1aV.jpg_350x350.jpg

1543 ms

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3060 ms

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1931 ms

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1840 ms

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1789 ms

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453 ms

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757 ms

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455 ms

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652 ms

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1245 ms

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454 ms

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856 ms

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649 ms

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453 ms

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454 ms

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683 ms

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672 ms

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867 ms

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539 ms

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838 ms

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891 ms

awsc.js

awsc.js

447 ms

282 ms

personTipsInfo.do

personTipsInfo.do

336 ms

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TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

1473 ms

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1479 ms

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2343 ms

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TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

251 ms

roboto-regular.woff

roboto-regular.woff

1600 ms

roboto-medium.woff

roboto-medium.woff

1616 ms

roboto-light.woff

roboto-light.woff

1629 ms

roboto-thin.woff

roboto-thin.woff

1630 ms

roboto-bold.woff

roboto-bold.woff

1643 ms

65 ms

icon-font.woff

icon-font.woff

1568 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

215 ms

eg.js

eg.js

151 ms

sc.globalxman.appscene

sc.globalxman.appscene

41 ms

footer.css

footer.css

1396 ms

et_n.js

et_n.js

81 ms

um.js

um.js

66 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

12 ms

index.js

index.js

23 ms

index.js

index.js

24 ms

7.gif

7.gif

21 ms

baxiaCommon.js

baxiaCommon.js

119 ms

rp

rp

1022 ms

wu.json

wu.json

534 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

29 ms

light0.5x.png

light0.5x.png

42 ms

pages_version.html

pages_version.html

75 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

16 ms

defer-common.js

defer-common.js

118 ms

i.alicdn.com

i.alicdn.com

117 ms

index.js

index.js

17 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

22 ms

index.web.css

index.web.css

7 ms

index.web.js

index.web.js

44 ms

availableSurveyQuery.json

availableSurveyQuery.json

230 ms

index.js

index.js

219 ms

store-proxy.html

store-proxy.html

191 ms

countryCurrencyDataService

countryCurrencyDataService

182 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

153 ms

personRoleInfo.do

personRoleInfo.do

143 ms

notification.do

notification.do

157 ms

iconfont.woff

iconfont.woff

9 ms

iconfont.woff

iconfont.woff

22 ms

Accessibility Review

lwi.en.alibaba.com accessibility score

66

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

lwi.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

Serves images with low resolution

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

lwi.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 Lwi.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 Lwi.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

lwi.en.alibaba.com

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