Tools & Wizards About Us
shznc.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

shznc.com

上海衡邦智能有限公司-电动窗/开窗器/电动开窗机/电动开窗器/电动天窗/手摇开窗机/电动百叶

Page Load Speed

28.8 sec in total

First Response

1.2 sec

Resources Loaded

27.3 sec

Page Rendered

405 ms

shznc.com screenshot

About Website

Click here to check amazing Shznc content. Otherwise, check out these important facts you probably never knew about shznc.com

上海衡邦智能门窗有限公司主要生产电动开窗机，手摇开窗机，电动天窗，消防排烟窗，电动百叶，控制系统。拥有专业的安装团队，可上门安装

Visit shznc.com

Key Findings

We analyzed Shznc.com page load time and found that the first response time was 1.2 sec and then it took 27.7 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

shznc.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value39.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

shznc.com

1178 ms

shznc.com

2051 ms

style.css

750 ms

jquery-1.6.min.js

1742 ms

jQuery.blockUI.js

1676 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 97% of them (59 requests) were addressed to the original Shznc.com, 2% (1 request) were made to Tyw.key.400301.com and 2% (1 request) were made to . The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Shznc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 767.3 kB (19%)

Content Size

4.1 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shznc.com main page is 4.1 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 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 49.3 kB

  • Original 55.9 kB
  • After minification 30.5 kB
  • After compression 6.6 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 25.4 kB, which is 45% 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 49.3 kB or 88% of the original size.

Image Optimization

-9%

Potential reduce by 307.1 kB

  • Original 3.5 MB
  • After minification 3.2 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. Shznc images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 246.9 kB

  • Original 327.5 kB
  • After minification 269.1 kB
  • After compression 80.7 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 246.9 kB or 75% of the original size.

CSS Optimization

-90%

Potential reduce by 164.1 kB

  • Original 182.3 kB
  • After minification 132.2 kB
  • After compression 18.2 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. Shznc.com needs all CSS files to be minified and compressed as it can save up to 164.1 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (21%)

Requests Now

57

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shznc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shznc.com

shznc.com

1178 ms

shznc.com

shznc.com

2051 ms

style.css

style.css

750 ms

jquery-1.6.min.js

jquery-1.6.min.js

1742 ms

jQuery.blockUI.js

jQuery.blockUI.js

1676 ms

jquery.SuperSlide.js

jquery.SuperSlide.js

1700 ms

myJs.js

myJs.js

1223 ms

replace_word_limit.js

replace_word_limit.js

1238 ms

swiper.min.css

swiper.min.css

1480 ms

swiper1.css

swiper1.css

1465 ms

animate.min.css

animate.min.css

3707 ms

update.css

update.css

2516 ms

replace_word_limit.js

replace_word_limit.js

613 ms

script.js

script.js

1790 ms

responsive.menu.js

responsive.menu.js

1911 ms

swiper.min.js

swiper.min.js

2422 ms

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249 ms

tel.png

tel.png

246 ms

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5340 ms

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5866 ms

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20139 ms

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248 ms

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496 ms

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496 ms

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497 ms

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779 ms

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779 ms

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1063 ms

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1036 ms

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1278 ms

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1286 ms

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2770 ms

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4699 ms

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1551 ms

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1794 ms

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2772 ms

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3535 ms

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8828 ms

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4991 ms

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14398 ms

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9110 ms

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9945 ms

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8953 ms

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10047 ms

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11795 ms

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11535 ms

icon_jia.png

icon_jia.png

10187 ms

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10772 ms

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20240325093751.png

12830 ms

phone.png

phone.png

11015 ms

mail.png

mail.png

11257 ms

location.png

location.png

11498 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

27 ms

chat.png

chat.png

11505 ms

menuli.png

menuli.png

11536 ms

icon_a1.png

icon_a1.png

11744 ms

truji.jpg

truji.jpg

15450 ms

icon_lx3.png

icon_lx3.png

11541 ms

icon_lx5.png

icon_lx5.png

11738 ms

icon_lx2.png

icon_lx2.png

11497 ms

icon_a.png

icon_a.png

11851 ms

Accessibility Review

shznc.com accessibility score

71

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.

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

Links do not have a discernible name

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

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

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

shznc.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

shznc.com SEO score

76

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shznc.com 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 Shznc.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

shznc.com

Open Graph description is not detected on the main page of Shznc. 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: