Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 55

    SEO

    Google-friendlier than
    20% of websites

visione.com.cn

北京融视联信科技有限公司

Page Load Speed

47.6 sec in total

First Response

2.2 sec

Resources Loaded

40.3 sec

Page Rendered

5 sec

visione.com.cn screenshot

About Website

Welcome to visione.com.cn homepage info - get ready to check Visione best content right away, or after learning these important things about visione.com.cn

北京中科卓视科技有限责任公司成立于2007年,依托于中国科学院软件研究所多媒体通信与网络工程研究中心的研发优势,是一家高科技企业,以科技创新理念为主导,致力于图像和视频等应用系统的研发、生产、实施和维护,产品应用定位于国防、安防和交通等多个领域。

Visit visione.com.cn

Key Findings

We analyzed Visione.com.cn page load time and found that the first response time was 2.2 sec and then it took 45.4 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 12 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

visione.com.cn performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

visione.com.cn

2239 ms

base.css

948 ms

jquery-1.6.4.min.js

5865 ms

jquery.nivo.slider.js

1668 ms

cufon-yui.js

9299 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Visione.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Visione.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.4 kB (57%)

Content Size

135.0 kB

After Optimization

58.6 kB

In fact, the total size of Visione.com.cn main page is 135.0 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. Only 10% of websites need less resources to load. Images take 56.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 10.9 kB

  • Original 14.6 kB
  • After minification 13.0 kB
  • After compression 3.8 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. This page needs HTML code to be minified as it can gain 1.6 kB, which is 11% 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 10.9 kB or 74% of the original size.

Image Optimization

-30%

Potential reduce by 17.1 kB

  • Original 56.9 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. Obviously, Visione needs image optimization as it can save up to 17.1 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 41.8 kB

  • Original 54.8 kB
  • After minification 45.7 kB
  • After compression 12.9 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 41.8 kB or 76% of the original size.

CSS Optimization

-75%

Potential reduce by 6.6 kB

  • Original 8.7 kB
  • After minification 7.6 kB
  • After compression 2.1 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. Visione.com.cn needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (21%)

Requests Now

19

After Optimization

15

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Visione. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

visione.com.cn accessibility score

71

Accessibility Issues

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

Document doesn't have a <title> element

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

Best Practices

visione.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

SEO Factors

visione.com.cn SEO score

55

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

Document doesn't have a <title> element

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 Visione.com.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 Visione.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 Visione. 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: