Tools & Wizards About Us

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

toachina.com.cn

TOA中国官网、应急广播、校园广播、公共广播、网络广播、消防广播、专业音响、远程会议系统、远程会议、网络会议、视频会议系统、会议系统、会议软件。

Page Load Speed

9.8 sec in total

First Response

983 ms

Resources Loaded

8.6 sec

Page Rendered

158 ms

About Website

Click here to check amazing Toachina content. Otherwise, check out these important facts you probably never knew about toachina.com.cn

TOA自1934年成立以来，在安全安防、信息通讯、专业音响三大领域中提供不同的高品质产品，以满足社会多元化需求。通过先进的技术和优秀的企划能力，进行有效规划并积累了丰富的经验。致力于在当今瞬息万变的世界中带给您更多安心、信赖、感动的产品。

Visit toachina.com.cn

Key Findings

We analyzed Toachina.com.cn page load time and found that the first response time was 983 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

toachina.com.cn performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.24

52/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

toachina.com.cn

983 ms

normalize.css

377 ms

common.css

801 ms

module.css

1038 ms

slick.min.css

411 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 92% of them (44 requests) were addressed to the original Toachina.com.cn, 4% (2 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (7.4 sec) belongs to the original domain Toachina.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 536.5 kB (11%)

Content Size

4.9 MB

After Optimization

4.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Toachina.com.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. 30% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 47.2 kB

  • Original 54.2 kB
  • After minification 39.6 kB
  • After compression 7.0 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 14.6 kB, which is 27% 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 47.2 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 155.7 kB

  • Original 4.4 MB
  • After minification 4.3 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. Toachina images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 132.3 kB

  • Original 209.2 kB
  • After minification 208.6 kB
  • After compression 76.9 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 132.3 kB or 63% of the original size.

CSS Optimization

-85%

Potential reduce by 201.3 kB

  • Original 236.4 kB
  • After minification 201.7 kB
  • After compression 35.2 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. Toachina.com.cn needs all CSS files to be minified and compressed as it can save up to 201.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (30%)

Requests Now

47

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Toachina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

toachina.com.cn accessibility score

65

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

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

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

toachina.com.cn 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

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

SEO Factors

toachina.com.cn 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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Toachina.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Toachina.com.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

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