Tools & Wizards About Us
pack.cn screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

pack.cn

中国包装网--包装,印刷,包装机械,印刷机械,包装印刷材料

Page Load Speed

67 sec in total

First Response

739 ms

Resources Loaded

65.4 sec

Page Rendered

770 ms

pack.cn screenshot

About Website

Welcome to pack.cn homepage info - get ready to check Pack best content for China right away, or after learning these important things about pack.cn

中国包装网(pack.cn),包装,印刷,包装机械,印刷机械,包装印刷材料,全球领先的包装行业门户网站,为包装企业提供网络推广,网上贸易,行业资讯,包装展会,包装人才等服务,为各行各业提供包装机械,印刷机械,包装材料,包装制品,包装印刷加工等企业信息,产品信息,供求信息,价格行情等服务.

Visit pack.cn

Key Findings

We analyzed Pack.cn page load time and found that the first response time was 739 ms and then it took 66.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 11 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

pack.cn performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.2 s

0/100

25%

SI (Speed Index)

Value51.3 s

0/100

10%

TBT (Total Blocking Time)

Value3,700 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

Network Requests Diagram

pack.cn

739 ms

www.pack.cn

3848 ms

index.css

763 ms

newnav.css

998 ms

style.css

2089 ms

Our browser made a total of 203 requests to load all elements on the main page. We found that 86% of them (175 requests) were addressed to the original Pack.cn, 4% (8 requests) were made to Packrc.com and 2% (4 requests) were made to Qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Qiao.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (27%)

Content Size

4.9 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pack.cn main page is 4.9 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. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 287.6 kB

  • Original 332.3 kB
  • After minification 260.2 kB
  • After compression 44.6 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. This page needs HTML code to be minified as it can gain 72.1 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 287.6 kB or 87% of the original size.

Image Optimization

-17%

Potential reduce by 715.3 kB

  • Original 4.1 MB
  • After minification 3.4 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. Obviously, Pack needs image optimization as it can save up to 715.3 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 129.2 kB

  • Original 189.1 kB
  • After minification 176.5 kB
  • After compression 59.9 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 129.2 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 193.7 kB

  • Original 237.6 kB
  • After minification 221.3 kB
  • After compression 43.8 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. Pack.cn needs all CSS files to be minified and compressed as it can save up to 193.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (23%)

Requests Now

187

After Optimization

144

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 187 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pack. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pack.cn

pack.cn

739 ms

www.pack.cn

www.pack.cn

3848 ms

index.css

index.css

763 ms

newnav.css

newnav.css

998 ms

style.css

style.css

2089 ms

lang.js

lang.js

1058 ms

config.js

config.js

1147 ms

jquery.js

jquery.js

6032 ms

common.js

common.js

3134 ms

page.js

page.js

2454 ms

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qh.js

2614 ms

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jquery.lazyload.js

2835 ms

global.js

global.js

3142 ms

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uaredirect.js

870 ms

animate.js

animate.js

2646 ms

slide.js

slide.js

2697 ms

indexnews.css

indexnews.css

2647 ms

index_tips.js

index_tips.js

2647 ms

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2401 ms

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960 ms

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1347 ms

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1596 ms

1.jpg

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2744 ms

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medium.jpg

5566 ms

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Accessibility Review

pack.cn accessibility score

46

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

pack.cn best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

SEO Factors

pack.cn SEO score

62

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pack.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Pack.cn 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

pack.cn

Open Graph description is not detected on the main page of Pack. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: