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

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

itzr.en.alibaba.com

Company Overview - Shenzhen ITZR Technology Co., Ltd.

Page Load Speed

4.1 sec in total

First Response

407 ms

Resources Loaded

3.5 sec

Page Rendered

239 ms

itzr.en.alibaba.com screenshot

About Website

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

Shenzhen ITZR Technology Co., Ltd. Products:All In One PC , Laptop, Motherboard, Graphic card, Tablet PC

Visit itzr.en.alibaba.com

Key Findings

We analyzed Itzr.en.alibaba.com page load time and found that the first response time was 407 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

itzr.en.alibaba.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value5,630 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.425

22/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

itzr.en.alibaba.com

407 ms

itzr.en.alibaba.com

305 ms

85 ms

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

191 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

183 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Itzr.en.alibaba.com, 36% (21 requests) were made to Sc02.alicdn.com and 19% (11 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Sc01.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 825.4 kB (36%)

Content Size

2.3 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Itzr.en.alibaba.com main page is 2.3 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. 35% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 495.8 kB

  • Original 591.0 kB
  • After minification 590.3 kB
  • After compression 95.2 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 495.8 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 66 B

  • Original 460.9 kB
  • After minification 460.8 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. ITZR En Alibaba images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 329.5 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 921.4 kB

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 329.5 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (30%)

Requests Now

56

After Optimization

39

  • AJAX
  • Images
  • JavaScript

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ITZR 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

itzr.en.alibaba.com

itzr.en.alibaba.com

407 ms

itzr.en.alibaba.com

itzr.en.alibaba.com

305 ms

85 ms

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

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

191 ms

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O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

183 ms

index.js

index.js

234 ms

index.js

index.js

194 ms

renderHeader.js

renderHeader.js

260 ms

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716 ms

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390 ms

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1531 ms

awsc.js

awsc.js

103 ms

63 ms

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464 ms

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753 ms

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55 ms

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60 ms

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88 ms

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315 ms

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2106 ms

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507 ms

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767 ms

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766 ms

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1029 ms

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1367 ms

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1133 ms

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1415 ms

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1533 ms

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2775 ms

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1773 ms

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843 ms

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525 ms

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519 ms

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796 ms

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603 ms

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708 ms

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807 ms

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838 ms

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873 ms

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968 ms

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1261 ms

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1053 ms

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1230 ms

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1367 ms

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1295 ms

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1403 ms

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1303 ms

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1814 ms

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1271 ms

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1732 ms

7.gif

7.gif

59 ms

et_n.js

et_n.js

68 ms

um.js

um.js

46 ms

wu.json

wu.json

49 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

93 ms

eg.js

eg.js

2 ms

index.js

index.js

36 ms

Accessibility Review

itzr.en.alibaba.com accessibility score

64

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

itzr.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

itzr.en.alibaba.com SEO score

79

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

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 Itzr.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 Itzr.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

itzr.en.alibaba.com

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