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

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

szlepower.en.alibaba.com

Shenzhen Lepower Electronic Co., Ltd. - Civilian Battery, NiMH Battery

Page Load Speed

3.9 sec in total

First Response

252 ms

Resources Loaded

2.7 sec

Page Rendered

883 ms

szlepower.en.alibaba.com screenshot

About Website

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

Shenzhen Lepower Electronic Co., Ltd., Experts in Manufacturing and Exporting Civilian Battery, NiMH Battery and 0 more Products.

Visit szlepower.en.alibaba.com

Key Findings

We analyzed Szlepower.en.alibaba.com page load time and found that the first response time was 252 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

szlepower.en.alibaba.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value21.6 s

0/100

10%

TBT (Total Blocking Time)

Value10,750 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value30.6 s

0/100

10%

Network Requests Diagram

szlepower.en.alibaba.com

252 ms

szlepower.en.alibaba.com

619 ms

47 ms

90 ms

41 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 Szlepower.en.alibaba.com, 33% (32 requests) were made to S.alicdn.com and 28% (27 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.2 MB (63%)

Content Size

6.7 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szlepower.en.alibaba.com main page is 6.7 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 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 433.1 kB

  • Original 519.7 kB
  • After minification 515.8 kB
  • After compression 86.7 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 433.1 kB or 83% of the original size.

Image Optimization

-44%

Potential reduce by 177.2 kB

  • Original 406.6 kB
  • After minification 229.3 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. Obviously, Sz Lepower En Alibaba needs image optimization as it can save up to 177.2 kB or 44% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 3.3 MB

  • Original 5.4 MB
  • After minification 5.4 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 3.3 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 284.3 kB

  • Original 397.0 kB
  • After minification 346.1 kB
  • After compression 112.6 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. Szlepower.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.3 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (56%)

Requests Now

85

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

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

szlepower.en.alibaba.com

szlepower.en.alibaba.com

252 ms

szlepower.en.alibaba.com

szlepower.en.alibaba.com

619 ms

47 ms

90 ms

41 ms

header.css

header.css

42 ms

header.js

header.js

89 ms

web-index.css

web-index.css

86 ms

web-index.css

web-index.css

89 ms

web-index.css

web-index.css

130 ms

web-index.css

web-index.css

131 ms

web-index.css

web-index.css

131 ms

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

130 ms

208 ms

142 ms

index.js

index.js

139 ms

141 ms

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425 ms

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210 ms

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663 ms

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83 ms

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83 ms

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363 ms

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333 ms

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329 ms

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447 ms

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1166 ms

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224 ms

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564 ms

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329 ms

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330 ms

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331 ms

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425 ms

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332 ms

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357 ms

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558 ms

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H82d44d997d054290ad73da794e472d2e0.png

424 ms

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H7b4c3e2708a44e90bb5824a3d024898fC.png

432 ms

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433 ms

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591 ms

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444 ms

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555 ms

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653 ms

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555 ms

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927 ms

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H89c0e81c2574432e967eb69fcb164e3bB.jpg

1930 ms

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H91fdf9a83f0e4bbe8bd88ef0f4af3336A.jpg

590 ms

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TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

794 ms

roboto-regular.woff

roboto-regular.woff

96 ms

roboto-medium.woff

roboto-medium.woff

117 ms

roboto-light.woff

roboto-light.woff

95 ms

roboto-thin.woff

roboto-thin.woff

95 ms

roboto-bold.woff

roboto-bold.woff

107 ms

personTipsInfo.do

personTipsInfo.do

143 ms

awsc.js

awsc.js

137 ms

85 ms

90 ms

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924 ms

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296 ms

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946 ms

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O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

1066 ms

eg.js

eg.js

70 ms

et_n.js

et_n.js

17 ms

um.js

um.js

28 ms

sc.globalxman.appscene

sc.globalxman.appscene

27 ms

icon-font.woff

icon-font.woff

6 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

153 ms

footer.css

footer.css

11 ms

light0.5x.png

light0.5x.png

29 ms

7.gif

7.gif

18 ms

index.js

index.js

57 ms

index.js

index.js

17 ms

wu.json

wu.json

399 ms

index.js

index.js

37 ms

pages_version.html

pages_version.html

279 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

14 ms

defer-common.js

defer-common.js

60 ms

i.alicdn.com

i.alicdn.com

171 ms

index.js

index.js

16 ms

baxiaCommon.js

baxiaCommon.js

163 ms

rp

rp

1633 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

138 ms

index.css

index.css

10 ms

store-proxy.html

store-proxy.html

91 ms

countryCurrencyDataService

countryCurrencyDataService

106 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

78 ms

personRoleInfo.do

personRoleInfo.do

86 ms

notification.do

notification.do

113 ms

index.js

index.js

18 ms

iconfont.woff

iconfont.woff

3 ms

iconfont.woff

iconfont.woff

10 ms

index.web.css

index.web.css

11 ms

index.web.js

index.web.js

29 ms

availableSurveyQuery.json

availableSurveyQuery.json

119 ms

um.json

um.json

57 ms

getUmid.do

getUmid.do

11 ms

Accessibility Review

szlepower.en.alibaba.com accessibility score

64

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

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.

Best Practices

szlepower.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

szlepower.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 Szlepower.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 Szlepower.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

szlepower.en.alibaba.com

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