Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

down.vc52.cn

精睿.网络安全

Page Load Speed

30 sec in total

First Response

2.9 sec

Resources Loaded

26.9 sec

Page Rendered

202 ms

down.vc52.cn screenshot

About Website

Visit down.vc52.cn now to see the best up-to-date Down Vc 52 content for China and also check out these interesting facts you probably never knew about down.vc52.cn

精睿论坛

Visit down.vc52.cn

Key Findings

We analyzed Down.vc52.cn page load time and found that the first response time was 2.9 sec and then it took 27.1 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.

Performance Metrics

down.vc52.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)

Value2.0 s

99/100

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

down.vc52.cn

2870 ms

style2010.css

2776 ms

contrl.css

1144 ms

jquery.autocomplete.css

1193 ms

jquery.min.js

8026 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 76% of them (52 requests) were addressed to the original Down.vc52.cn, 13% (9 requests) were made to Cmarket.kejet.net and 3% (2 requests) were made to Cdn.vamaker.com. The less responsive or slowest element that took the longest time to load (8 sec) belongs to the original domain Down.vc52.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 184.3 kB (66%)

Content Size

279.8 kB

After Optimization

95.5 kB

In fact, the total size of Down.vc52.cn main page is 279.8 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. 20% of websites need less resources to load. Javascripts take 158.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 58.4 kB

  • Original 70.9 kB
  • After minification 68.4 kB
  • After compression 12.4 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 58.4 kB or 82% of the original size.

Image Optimization

-13%

Potential reduce by 3.3 kB

  • Original 25.9 kB
  • After minification 22.6 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, Down Vc 52 needs image optimization as it can save up to 3.3 kB or 13% 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 102.9 kB

  • Original 158.5 kB
  • After minification 154.2 kB
  • After compression 55.6 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 102.9 kB or 65% of the original size.

CSS Optimization

-80%

Potential reduce by 19.6 kB

  • Original 24.6 kB
  • After minification 20.5 kB
  • After compression 5.0 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. Down.vc52.cn needs all CSS files to be minified and compressed as it can save up to 19.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (78%)

Requests Now

64

After Optimization

14

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Down Vc 52. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

down.vc52.cn accessibility score

58

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

Best Practices

down.vc52.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

down.vc52.cn SEO score

67

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

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 Down.vc52.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 Down.vc52.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 Down Vc 52. 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: