Tools & Wizards About Us
chnni.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

chnni.com

PXIe/PXI/CPCI机箱,PXIe/PXI/CPCI背板,PXIe/PXI/CPCI控制器,PXIe/PXI/CPCI数据采集卡的专业制造厂商-国控精仪(北京)科技有限公司 或 PXIe/PXI/CPCI机箱,背板,控制器,数据采集卡的专业制造厂商-国控精仪(北京)科技有限公司

Page Load Speed

34.1 sec in total

First Response

3.8 sec

Resources Loaded

30.1 sec

Page Rendered

156 ms

chnni.com screenshot

About Website

Visit chnni.com now to see the best up-to-date Chnni content and also check out these interesting facts you probably never knew about chnni.com

国控精仪(北京)科技有限公司(www.chnni.cn)自主研制PXIe/PXI/CPCI机箱、PXIe/PXI/CPCI背板、PXIe/PXI/CPCI控制器、PXIe/PXI/CPCI数据采集卡以及其他总线数据采集卡（PCIe、PCI、USB、以太网、PC104+、PC104、PMC等）、便携加固机、VPX测控平台、分布式采集模块、提供卫星地检、导弹地检、电力检测、铁路巡检等系统解决方案和客制...

Visit chnni.com

Key Findings

We analyzed Chnni.com page load time and found that the first response time was 3.8 sec and then it took 30.3 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 were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

chnni.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value27.6 s

0/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.352

31/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

chnni.com

3786 ms

uaredirect.js

3725 ms

style.css

2624 ms

jquery.min.js

4131 ms

ban.js

1082 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 82% of them (18 requests) were addressed to the original Chnni.com, 9% (2 requests) were made to Advcloudfiles.advantech.com and 5% (1 request) were made to Siteapp.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Chnni.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.3 kB (47%)

Content Size

209.8 kB

After Optimization

110.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chnni.com main page is 209.8 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. Only 10% of websites need less resources to load. Javascripts take 105.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.0 kB

  • Original 10.9 kB
  • After minification 10.3 kB
  • After compression 2.9 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 8.0 kB or 74% of the original size.

Image Optimization

-15%

Potential reduce by 11.9 kB

  • Original 79.1 kB
  • After minification 67.2 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. Obviously, Chnni needs image optimization as it can save up to 11.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 68.4 kB

  • Original 105.9 kB
  • After minification 105.8 kB
  • After compression 37.4 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 68.4 kB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 11.1 kB

  • Original 14.0 kB
  • After minification 12.5 kB
  • After compression 3.0 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. Chnni.com needs all CSS files to be minified and compressed as it can save up to 11.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (18%)

Requests Now

17

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chnni. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

chnni.com

chnni.com

3786 ms

uaredirect.js

uaredirect.js

3725 ms

style.css

style.css

2624 ms

jquery.min.js

jquery.min.js

4131 ms

ban.js

ban.js

1082 ms

ss.js

ss.js

5835 ms

logo.png

logo.png

9440 ms

logo.jpg

logo.jpg

3685 ms

hdleft.jpg

hdleft.jpg

918 ms

f54432a8c7421c83f25af2b64228c669.jpg

f54432a8c7421c83f25af2b64228c669.jpg

3779 ms

7245fc7606072dd3423e307c5041b67d.jpg

7245fc7606072dd3423e307c5041b67d.jpg

3462 ms

039c669530181eb1cd7fe44eeda43653.jpg

039c669530181eb1cd7fe44eeda43653.jpg

7366 ms

efcb17c8ee94eaa81818a72c3e3443ff.jpg

efcb17c8ee94eaa81818a72c3e3443ff.jpg

4372 ms

3f1639e39f1c1181b245d8d138220d3f.jpg

3f1639e39f1c1181b245d8d138220d3f.jpg

14881 ms

b53f29c9953936ed9af894c7fb2174fb.jpg

b53f29c9953936ed9af894c7fb2174fb.jpg

20498 ms

hdright.jpg

hdright.jpg

4152 ms

weixin.jpg

weixin.jpg

4612 ms

banner01.jpg

banner01.jpg

20458 ms

banner1.jpg

banner1.jpg

20457 ms

banner2.jpg

banner2.jpg

20456 ms

icon-aonline-chat-s-cn.png

icon-aonline-chat-s-cn.png

86 ms

icon-aonline-phone.svg

icon-aonline-phone.svg

93 ms

Accessibility Review

chnni.com accessibility score

62

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

chnni.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

chnni.com SEO score

90

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

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

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chnni.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 Chnni.com main page’s claimed encoding is gbk. 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

chnni.com

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