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

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

szczkj.en.alibaba.com

Company Overview - Shenzhen Chenzhou Technology Co., Ltd.

Page Load Speed

3.3 sec in total

First Response

329 ms

Resources Loaded

2.6 sec

Page Rendered

376 ms

szczkj.en.alibaba.com screenshot

About Website

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

Shenzhen Chenzhou Technology Co., Ltd. Products:Electronic Instruments, Digital Multi Testers, Multimeters, Electronic Tools, Hand Tools

Visit szczkj.en.alibaba.com

Key Findings

We analyzed Szczkj.en.alibaba.com page load time and found that the first response time was 329 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

szczkj.en.alibaba.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value7,260 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.274

44/100

15%

TTI (Time to Interactive)

Value30.9 s

0/100

10%

Network Requests Diagram

szczkj.en.alibaba.com

329 ms

szczkj.en.alibaba.com

260 ms

75 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

89 ms

index.js

140 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Szczkj.en.alibaba.com, 36% (24 requests) were made to Img.alicdn.com and 17% (11 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 932.7 kB (27%)

Content Size

3.5 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szczkj.en.alibaba.com main page is 3.5 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. 45% of websites need less resources to load. Javascripts take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 334.9 kB

  • Original 421.1 kB
  • After minification 420.3 kB
  • After compression 86.2 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 334.9 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 25.1 kB

  • Original 272.6 kB
  • After minification 247.6 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. Szczkj En Alibaba images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 571.7 kB

  • Original 2.7 MB
  • After minification 2.7 MB
  • After compression 2.2 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 571.7 kB or 21% of the original size.

CSS Optimization

-3%

Potential reduce by 1.0 kB

  • Original 35.8 kB
  • After minification 35.8 kB
  • After compression 34.8 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. Szczkj.en.alibaba.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (31%)

Requests Now

64

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Szczkj 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 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

szczkj.en.alibaba.com

szczkj.en.alibaba.com

329 ms

szczkj.en.alibaba.com

szczkj.en.alibaba.com

260 ms

75 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

89 ms

index.js

index.js

140 ms

index.js

index.js

138 ms

renderHeader.js

renderHeader.js

88 ms

awsc.js

awsc.js

148 ms

83 ms

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379 ms

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386 ms

icon-tuv.png

icon-tuv.png

845 ms

b4b90e35e7af410fa9b20d51ea7f9303

b4b90e35e7af410fa9b20d51ea7f9303

1001 ms

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143 ms

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136 ms

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141 ms

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142 ms

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162 ms

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146 ms

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209 ms

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376 ms

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392 ms

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396 ms

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386 ms

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385 ms

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392 ms

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815 ms

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404 ms

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398 ms

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398 ms

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401 ms

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864 ms

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417 ms

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407 ms

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785 ms

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412 ms

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864 ms

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430 ms

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852 ms

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906 ms

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820 ms

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823 ms

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830 ms

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1035 ms

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472 ms

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424 ms

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385 ms

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734 ms

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514 ms

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775 ms

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691 ms

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903 ms

7.gif

7.gif

274 ms

et_n.js

et_n.js

107 ms

um.js

um.js

209 ms

wu.json

wu.json

426 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

70 ms

font_992356_jz8e219lwqi.css

font_992356_jz8e219lwqi.css

65 ms

normalize.css

normalize.css

67 ms

index.css

index.css

74 ms

mtoplib.min.js

mtoplib.min.js

221 ms

uploaded.js

uploaded.js

72 ms

index.js

index.js

120 ms

eg.js

eg.js

4 ms

index.js

index.js

4 ms

Accessibility Review

szczkj.en.alibaba.com accessibility score

60

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

szczkj.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

szczkj.en.alibaba.com SEO score

86

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

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 Szczkj.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 Szczkj.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

szczkj.en.alibaba.com

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