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

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

voita.en.alibaba.com

Guangzhou Voita Electronic Technology Co., Ltd. - DC DC Converter, DC AC Power Inverter

Page Load Speed

2.8 sec in total

First Response

76 ms

Resources Loaded

2.3 sec

Page Rendered

412 ms

voita.en.alibaba.com screenshot

About Website

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

Guangzhou Voita Electronic Technology Co., Ltd., Experts in Manufacturing and Exporting DC DC Converter, DC AC Power Inverter and 0 more Products.

Visit voita.en.alibaba.com

Key Findings

We analyzed Voita.en.alibaba.com page load time and found that the first response time was 76 ms and then it took 2.8 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

voita.en.alibaba.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value29.5 s

0/100

10%

Network Requests Diagram

voita.en.alibaba.com

76 ms

voita.en.alibaba.com

631 ms

86 ms

79 ms

header.css

135 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Voita.en.alibaba.com, 37% (33 requests) were made to S.alicdn.com and 10% (9 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.8 MB (50%)

Content Size

7.6 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Voita.en.alibaba.com main page is 7.6 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 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 512.4 kB

  • Original 619.1 kB
  • After minification 615.1 kB
  • After compression 106.6 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 512.4 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 9.0 kB

  • Original 182.6 kB
  • After minification 173.6 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. Voita En Alibaba images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 3.0 MB

  • Original 6.4 MB
  • After minification 6.4 MB
  • After compression 3.3 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 3.0 MB or 47% of the original size.

CSS Optimization

-66%

Potential reduce by 286.5 kB

  • Original 433.4 kB
  • After minification 382.5 kB
  • After compression 147.0 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. Voita.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 286.5 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (67%)

Requests Now

79

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Voita 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 32 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

voita.en.alibaba.com

voita.en.alibaba.com

76 ms

voita.en.alibaba.com

voita.en.alibaba.com

631 ms

86 ms

79 ms

header.css

header.css

135 ms

header.js

header.js

202 ms

121 ms

web-index.css

web-index.css

133 ms

web-index.css

web-index.css

145 ms

web-index.css

web-index.css

144 ms

web-index.css

web-index.css

144 ms

web-index.css

web-index.css

153 ms

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

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

245 ms

447 ms

171 ms

index.js

index.js

173 ms

243 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

525 ms

Hee648d10b82a4023addf7fa26f8fb08fy.jpg

Hee648d10b82a4023addf7fa26f8fb08fy.jpg

495 ms

TB1HFwHHVXXXXatXXXXXXXXXXXX.png

TB1HFwHHVXXXXatXXXXXXXXXXXX.png

58 ms

Hc1d6612912c44199b3ac21a64dc04c32I.jpg

Hc1d6612912c44199b3ac21a64dc04c32I.jpg

755 ms

H352d4d2257ac4642897cd7bd0cf3a856y.jpg_q80.jpg

H352d4d2257ac4642897cd7bd0cf3a856y.jpg_q80.jpg

970 ms

Hbb35e82dffe54e3ab7334534ce744b19T.jpg

Hbb35e82dffe54e3ab7334534ce744b19T.jpg

581 ms

H4527504948754534b5d3a45883bdf54en.jpg

H4527504948754534b5d3a45883bdf54en.jpg

527 ms

Hdf703967959b4d44b7634e71496f47482.jpg

Hdf703967959b4d44b7634e71496f47482.jpg

556 ms

H0e6615d5e1864db8ae85f7b149a49fadg.jpg

H0e6615d5e1864db8ae85f7b149a49fadg.jpg

540 ms

Haec68f6f2a8f4ccc8b16442bfbe986fdc.jpg

Haec68f6f2a8f4ccc8b16442bfbe986fdc.jpg

1109 ms

H2a7d2b4fd2f24c08a69621156c18b9f6a.jpg

H2a7d2b4fd2f24c08a69621156c18b9f6a.jpg

528 ms

H413448de9c464415b8daf33638e52dd2t.jpg

H413448de9c464415b8daf33638e52dd2t.jpg

548 ms

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

581 ms

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

754 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

849 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

888 ms

roboto-regular.woff

roboto-regular.woff

127 ms

roboto-medium.woff

roboto-medium.woff

153 ms

roboto-light.woff

roboto-light.woff

151 ms

roboto-thin.woff

roboto-thin.woff

201 ms

roboto-bold.woff

roboto-bold.woff

237 ms

awsc.js

awsc.js

147 ms

47 ms

H2f1957556cb4418da9706ca7552966f1l.jpg

H2f1957556cb4418da9706ca7552966f1l.jpg

188 ms

3b1c75564df744c98be8939f8bb04ad8

3b1c75564df744c98be8939f8bb04ad8

963 ms

104 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

340 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

177 ms

TB19Bnzn_tYBeNjy1XdXXXXyVXa-1920-1200.png

TB19Bnzn_tYBeNjy1XdXXXXyVXa-1920-1200.png

961 ms

eg.js

eg.js

148 ms

personTipsInfo.do

personTipsInfo.do

121 ms

sc.migrate.event

sc.migrate.event

105 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

107 ms

sc.globalxman.appscene

sc.globalxman.appscene

28 ms

icon-font.woff

icon-font.woff

127 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

289 ms

et_n.js

et_n.js

53 ms

um.js

um.js

127 ms

footer.css

footer.css

170 ms

7.gif

7.gif

77 ms

index.js

index.js

76 ms

index.js

index.js

235 ms

baxiaCommon.js

baxiaCommon.js

148 ms

rp

rp

1126 ms

wu.json

wu.json

169 ms

light0.5x.png

light0.5x.png

167 ms

pages_version.html

pages_version.html

100 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

64 ms

defer-common.js

defer-common.js

120 ms

i.alicdn.com

i.alicdn.com

74 ms

index.js

index.js

90 ms

index.js

index.js

14 ms

index.web.css

index.web.css

268 ms

index.web.js

index.web.js

198 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

251 ms

store-proxy.html

store-proxy.html

236 ms

countryCurrencyDataService

countryCurrencyDataService

254 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

120 ms

personRoleInfo.do

personRoleInfo.do

183 ms

notification.do

notification.do

226 ms

um.json

um.json

102 ms

availableSurveyQuery.json

availableSurveyQuery.json

104 ms

getUmid.do

getUmid.do

18 ms

iconfont.woff

iconfont.woff

47 ms

iconfont.woff

iconfont.woff

10 ms

index.js

index.js

41 ms

font_992356_jz8e219lwqi.css

font_992356_jz8e219lwqi.css

20 ms

normalize.css

normalize.css

551 ms

index.css

index.css

342 ms

mtoplib.min.js

mtoplib.min.js

12 ms

uploaded.js

uploaded.js

19 ms

index.js

index.js

747 ms

index.css

index.css

14 ms

Accessibility Review

voita.en.alibaba.com accessibility score

65

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

High

Links do not have a discernible name

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

voita.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

voita.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 Voita.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 Voita.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

voita.en.alibaba.com

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