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

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

rocketek.en.alibaba.com

Shenzhen Rocketek Electronics Co., Ltd. - USB Hub, USB Card Reader

Page Load Speed

3.8 sec in total

First Response

78 ms

Resources Loaded

3.2 sec

Page Rendered

515 ms

rocketek.en.alibaba.com screenshot

About Website

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

Shenzhen Rocketek Electronics Co., Ltd., Experts in Manufacturing and Exporting USB Hub, USB Card Reader and 0 more Products.

Visit rocketek.en.alibaba.com

Key Findings

We analyzed Rocketek.en.alibaba.com page load time and found that the first response time was 78 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

rocketek.en.alibaba.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value4,330 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value1.327

0/100

15%

TTI (Time to Interactive)

Value26.7 s

0/100

10%

Network Requests Diagram

rocketek.en.alibaba.com

78 ms

rocketek.en.alibaba.com

720 ms

52 ms

48 ms

header.css

50 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 2% of them (3 requests) were addressed to the original Rocketek.en.alibaba.com, 30% (38 requests) were made to Sc02.alicdn.com and 25% (31 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.0 MB (60%)

Content Size

6.8 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rocketek.en.alibaba.com main page is 6.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 372.1 kB

  • Original 462.1 kB
  • After minification 458.1 kB
  • After compression 90.0 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 372.1 kB or 81% of the original size.

Image Optimization

-23%

Potential reduce by 143.8 kB

  • Original 613.9 kB
  • After minification 470.2 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. Obviously, Rocketek En Alibaba needs image optimization as it can save up to 143.8 kB or 23% 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 3.2 MB

  • Original 5.3 MB
  • After minification 5.3 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 3.2 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 292.6 kB

  • Original 406.5 kB
  • After minification 355.6 kB
  • After compression 113.8 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. Rocketek.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 292.6 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (48%)

Requests Now

114

After Optimization

59

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rocketek 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

rocketek.en.alibaba.com

rocketek.en.alibaba.com

78 ms

rocketek.en.alibaba.com

rocketek.en.alibaba.com

720 ms

52 ms

48 ms

header.css

header.css

50 ms

header.js

header.js

51 ms

192 ms

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web-index.css

45 ms

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49 ms

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155 ms

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147 ms

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146 ms

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147 ms

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144 ms

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140 ms

142 ms

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682 ms

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1217 ms

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1242 ms

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288 ms

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524 ms

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775 ms

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1265 ms

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522 ms

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872 ms

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699 ms

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899 ms

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905 ms

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856 ms

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873 ms

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1356 ms

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1070 ms

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977 ms

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1046 ms

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2667 ms

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1111 ms

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1176 ms

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1171 ms

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1202 ms

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1300 ms

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1333 ms

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1326 ms

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1427 ms

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93 ms

roboto-medium.woff

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246 ms

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246 ms

roboto-thin.woff

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120 ms

roboto-bold.woff

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226 ms

personTipsInfo.do

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251 ms

62 ms

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1385 ms

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1407 ms

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1443 ms

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1519 ms

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1471 ms

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1521 ms

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1792 ms

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1936 ms

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1697 ms

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1355 ms

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1609 ms

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1563 ms

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1497 ms

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1793 ms

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rocketek.en.alibaba.com

595 ms

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awsc.js

215 ms

164 ms

icon-font.woff

icon-font.woff

63 ms

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199 ms

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footer.css

51 ms

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eg.js

72 ms

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1819 ms

index.js

index.js

366 ms

et_n.js

et_n.js

40 ms

um.js

um.js

93 ms

light0.5x.png

light0.5x.png

36 ms

pages_version.html

pages_version.html

187 ms

defer-common.js

defer-common.js

183 ms

i.alicdn.com

i.alicdn.com

313 ms

index.js

index.js

22 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

12 ms

sc.globalxman.appscene

sc.globalxman.appscene

96 ms

index.js

index.js

228 ms

index.js

index.js

250 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

209 ms

7.gif

7.gif

165 ms

wu.json

wu.json

203 ms

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1698 ms

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index.web.css

156 ms

index.web.js

index.web.js

176 ms

store-proxy.html

store-proxy.html

133 ms

countryCurrencyDataService

countryCurrencyDataService

225 ms

personRoleInfo.do

personRoleInfo.do

105 ms

notification.do

notification.do

210 ms

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sc.sc_header_footer.sc_hds

41 ms

index.js

index.js

28 ms

baxiaCommon.js

baxiaCommon.js

96 ms

rp

rp

922 ms

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availableSurveyQuery.json

69 ms

index.css

index.css

43 ms

um.json

um.json

66 ms

iconfont.woff

iconfont.woff

16 ms

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iconfont.woff

4 ms

getUmid.do

getUmid.do

8 ms

Accessibility Review

rocketek.en.alibaba.com accessibility score

40

Accessibility Issues

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

rocketek.en.alibaba.com best practices score

67

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

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

rocketek.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 Rocketek.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 Rocketek.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

rocketek.en.alibaba.com

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