Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

chaoyangdz.com.cn

上海超扬电子-高端单片机解密,高难度芯片解密,芯片破解,单片机破解,IC解密,芯片解密,AVR,PIC,ST,ARM

Page Load Speed

33.3 sec in total

First Response

4 sec

Resources Loaded

29 sec

Page Rendered

235 ms

chaoyangdz.com.cn screenshot

About Website

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

上海超扬电子是一家注册在上海张江高科技园区的高科技企业,主要从事单片机相关产品的开发和销售以及单片机解密、芯片解密加密技术的研究,是国内非常专业的单片机解密加密以及芯片解密加密技术咨询公司。

Visit chaoyangdz.com.cn

Key Findings

We analyzed Chaoyangdz.com.cn page load time and found that the first response time was 4 sec and then it took 29.3 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

chaoyangdz.com.cn performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

chaoyangdz.com.cn

4007 ms

font.css

2929 ms

textbox.css

1516 ms

float.js

1035 ms

left.jpg

493 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 91% of them (62 requests) were addressed to the original Chaoyangdz.com.cn, 4% (3 requests) were made to Hm.baidu.com and 1% (1 request) were made to Amos1.taobao.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Scs1.sh1.china.alibaba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.9 kB (41%)

Content Size

81.0 kB

After Optimization

48.1 kB

In fact, the total size of Chaoyangdz.com.cn main page is 81.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 40.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 22.3 kB

  • Original 28.2 kB
  • After minification 27.9 kB
  • After compression 5.8 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 22.3 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 1.1 kB

  • Original 40.9 kB
  • After minification 39.8 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. Chaoyangdz images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 5.2 kB

  • Original 7.0 kB
  • After minification 6.7 kB
  • After compression 1.8 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 5.2 kB or 74% of the original size.

CSS Optimization

-85%

Potential reduce by 4.2 kB

  • Original 4.9 kB
  • After minification 3.8 kB
  • After compression 715 B

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. Chaoyangdz.com.cn needs all CSS files to be minified and compressed as it can save up to 4.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (34%)

Requests Now

65

After Optimization

43

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chaoyangdz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

chaoyangdz.com.cn accessibility score

57

Accessibility Issues

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

High

<object> elements do not have alternate text

Best Practices

chaoyangdz.com.cn 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

SEO Factors

chaoyangdz.com.cn SEO score

58

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

Image elements do not have [alt] attributes

High

Document uses plugins

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chaoyangdz.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 Chaoyangdz.com.cn 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

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