Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

shengvision.com

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Page Load Speed

58.4 sec in total

First Response

3.8 sec

Resources Loaded

52 sec

Page Rendered

2.5 sec

shengvision.com screenshot

About Website

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

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Visit shengvision.com

Key Findings

We analyzed Shengvision.com page load time and found that the first response time was 3.8 sec and then it took 54.5 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

shengvision.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

shengvision.com

3823 ms

www.shengphoto.com

13491 ms

style.css

147 ms

jquery.fancybox.css

144 ms

2758.js

4854 ms

Our browser made a total of 226 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Shengvision.com, 64% (145 requests) were made to Shengphoto.com and 3% (7 requests) were made to Tp4.sinaimg.cn. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Shengphoto.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 518.6 kB (4%)

Content Size

12.2 MB

After Optimization

11.7 MB

In fact, the total size of Shengvision.com main page is 12.2 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. 60% of websites need less resources to load. Images take 11.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 47.8 kB

  • Original 61.5 kB
  • After minification 54.1 kB
  • After compression 13.7 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 7.4 kB, which is 12% 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 47.8 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 188.7 kB

  • Original 11.7 MB
  • After minification 11.5 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. Shengvision images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 177.1 kB

  • Original 301.1 kB
  • After minification 296.7 kB
  • After compression 124.1 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 177.1 kB or 59% of the original size.

CSS Optimization

-84%

Potential reduce by 105.1 kB

  • Original 125.8 kB
  • After minification 117.6 kB
  • After compression 20.7 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. Shengvision.com needs all CSS files to be minified and compressed as it can save up to 105.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (16%)

Requests Now

215

After Optimization

181

The browser has sent 215 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shengvision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

shengvision.com accessibility score

85

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

<frame> or <iframe> elements do not have a title

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

shengvision.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

shengvision.com SEO score

97

Search Engine Optimization Advices

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

    GB2312

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