Tools & Wizards About Us
nt-zy.en.alibaba.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

nt-zy.en.alibaba.com

Alibaba Manufacturer Directory - Suppliers, Manufacturers, Exporters & Importers

Page Load Speed

6.7 sec in total

First Response

1.6 sec

Resources Loaded

4.5 sec

Page Rendered

591 ms

nt-zy.en.alibaba.com screenshot

About Website

Click here to check amazing Nt Zy En Alibaba content for China. Otherwise, check out these important facts you probably never knew about nt-zy.en.alibaba.com

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Visit nt-zy.en.alibaba.com

Key Findings

We analyzed Nt-zy.en.alibaba.com page load time and found that the first response time was 1.6 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

nt-zy.en.alibaba.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value4,810 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.12

84/100

15%

TTI (Time to Interactive)

Value25.8 s

0/100

10%

Network Requests Diagram

nt-zy.en.alibaba.com

1552 ms

nt-zy.en.alibaba.com

276 ms

56 ms

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

54 ms

index.js

119 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Nt-zy.en.alibaba.com, 35% (19 requests) were made to Sc02.alicdn.com and 20% (11 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Nt-zy.en.alibaba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (43%)

Content Size

5.6 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nt-zy.en.alibaba.com main page is 5.6 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. 40% of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 375.7 kB

  • Original 464.9 kB
  • After minification 464.0 kB
  • After compression 89.2 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 375.7 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 111.0 kB

  • Original 2.3 MB
  • After minification 2.2 MB

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. Nt Zy En Alibaba images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 2.0 MB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 885.4 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 2.0 MB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (46%)

Requests Now

50

After Optimization

27

  • AJAX
  • Images
  • JavaScript

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nt Zy 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

nt-zy.en.alibaba.com

nt-zy.en.alibaba.com

1552 ms

nt-zy.en.alibaba.com

nt-zy.en.alibaba.com

276 ms

56 ms

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

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

54 ms

index.js

index.js

119 ms

index.js

index.js

75 ms

renderHeader.js

renderHeader.js

81 ms

H524320e7022e4ecf98645100cf70efb4z.jpg

H524320e7022e4ecf98645100cf70efb4z.jpg

902 ms

awsc.js

awsc.js

94 ms

66 ms

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1534 ms

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215 ms

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450 ms

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47 ms

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45 ms

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45 ms

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318 ms

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271 ms

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319 ms

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319 ms

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281 ms

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279 ms

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402 ms

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350 ms

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389 ms

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365 ms

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346 ms

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328 ms

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345 ms

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277 ms

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364 ms

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504 ms

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431 ms

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535 ms

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631 ms

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1539 ms

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629 ms

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1290 ms

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847 ms

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991 ms

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915 ms

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928 ms

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1104 ms

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319 ms

7.gif

7.gif

166 ms

et_n.js

et_n.js

9 ms

um.js

um.js

108 ms

wu.json

wu.json

45 ms

um.json

um.json

59 ms

getUmid.do

getUmid.do

28 ms

eg.js

eg.js

3 ms

offline.gif

offline.gif

1238 ms

offline.gif

offline.gif

655 ms

index.js

index.js

16 ms

Accessibility Review

nt-zy.en.alibaba.com accessibility score

66

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.

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

nt-zy.en.alibaba.com best practices score

75

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

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

nt-zy.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 Nt-zy.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 Nt-zy.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

nt-zy.en.alibaba.com

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