Tools & Wizards About Us

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

vicam.cn

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Page Load Speed

11.9 sec in total

First Response

2.6 sec

Resources Loaded

9 sec

Page Rendered

279 ms

About Website

Click here to check amazing Vicam content. Otherwise, check out these important facts you probably never knew about vicam.cn

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Visit vicam.cn

Key Findings

We analyzed Vicam.cn page load time and found that the first response time was 2.6 sec and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

vicam.cn performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.278

44/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

vicam.cn

2554 ms

style.css

308 ms

jquery.js

845 ms

style.js

523 ms

jquery.SuperSlide.js

554 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 54% of them (31 requests) were addressed to the original Vicam.cn, 46% (26 requests) were made to Vicam-x-cn.img.addlink.cn. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Vicam-x-cn.img.addlink.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.0 kB (1%)

Content Size

3.6 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vicam.cn main page is 3.6 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 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 17.9 kB

  • Original 21.4 kB
  • After minification 14.3 kB
  • After compression 3.5 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 7.1 kB, which is 33% 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 17.9 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 9.9 kB

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

JavaScript Optimization

-5%

Potential reduce by 1.7 kB

  • Original 38.4 kB
  • After minification 38.1 kB
  • After compression 36.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 477 B

  • Original 3.4 kB
  • After minification 3.4 kB
  • After compression 2.9 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. Vicam.cn needs all CSS files to be minified and compressed as it can save up to 477 B or 14% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

30

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vicam. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

vicam.cn accessibility score

89

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

Links do not have a discernible name

Best Practices

vicam.cn best practices score

75

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

SEO Factors

vicam.cn SEO score

67

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

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 Vicam.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 Vicam.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 Vicam. 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: