Tools & Wizards About Us
china-nanbei.en.alibaba.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

china-nanbei.en.alibaba.com

Company Overview - Nanbei Instrument Limited

Page Load Speed

3 sec in total

First Response

313 ms

Resources Loaded

2.3 sec

Page Rendered

389 ms

china-nanbei.en.alibaba.com screenshot

About Website

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

Nanbei Instrument Limited Products:Life Science Instruments, Lab Instrument; Analysis Instrument; Testing Equipment

Visit china-nanbei.en.alibaba.com

Key Findings

We analyzed China-nanbei.en.alibaba.com page load time and found that the first response time was 313 ms and then it took 2.7 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

china-nanbei.en.alibaba.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value3,740 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value27.4 s

0/100

10%

Network Requests Diagram

china-nanbei.en.alibaba.com

313 ms

china-nanbei.en.alibaba.com

270 ms

80 ms

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

34 ms

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

112 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original China-nanbei.en.alibaba.com, 43% (21 requests) were made to Sc02.alicdn.com and 22% (11 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 628.1 kB (35%)

Content Size

1.8 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of China-nanbei.en.alibaba.com main page is 1.8 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. 35% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 526.7 kB

  • Original 632.0 kB
  • After minification 631.3 kB
  • After compression 105.4 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 526.7 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 985 B

  • Original 170.0 kB
  • After minification 169.0 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. China Nanbei En Alibaba images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 100.4 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 916.6 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 21 (45%)

Requests Now

47

After Optimization

26

  • AJAX
  • Images
  • JavaScript

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Nanbei 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

china-nanbei.en.alibaba.com

china-nanbei.en.alibaba.com

313 ms

china-nanbei.en.alibaba.com

china-nanbei.en.alibaba.com

270 ms

80 ms

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

34 ms

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

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

112 ms

index.js

index.js

50 ms

index.js

index.js

38 ms

renderHeader.js

renderHeader.js

41 ms

awsc.js

awsc.js

229 ms

28 ms

7.gif

7.gif

52 ms

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37 ms

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335 ms

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49 ms

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28 ms

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27 ms

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969 ms

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288 ms

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403 ms

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333 ms

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316 ms

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991 ms

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1554 ms

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338 ms

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503 ms

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561 ms

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433 ms

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34 ms

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196 ms

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475 ms

NANBEI-testing-equipment-small-hole-multi-angle.jpg_480x480.jpg

NANBEI-testing-equipment-small-hole-multi-angle.jpg_480x480.jpg

510 ms

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546 ms

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29 ms

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864 ms

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741 ms

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798 ms

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1205 ms

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1442 ms

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1187 ms

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1187 ms

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1184 ms

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1483 ms

et_n.js

et_n.js

6 ms

um.js

um.js

66 ms

wu.json

wu.json

120 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

23 ms

eg.js

eg.js

3 ms

index.js

index.js

122 ms

Accessibility Review

china-nanbei.en.alibaba.com accessibility score

70

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

china-nanbei.en.alibaba.com best practices score

58

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

china-nanbei.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 China-nanbei.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 China-nanbei.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

china-nanbei.en.alibaba.com

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