Tools & Wizards About Us
vander.com.cn screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

vander.com.cn

深圳市宏大明电子技术有限公司

Page Load Speed

41.3 sec in total

First Response

7.6 sec

Resources Loaded

33.3 sec

Page Rendered

440 ms

vander.com.cn screenshot

About Website

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

深圳市宏大明电子技术有限公司

Visit vander.com.cn

Key Findings

We analyzed Vander.com.cn page load time and found that the first response time was 7.6 sec and then it took 33.7 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 16 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

vander.com.cn performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

vander.com.cn

7567 ms

css.css

912 ms

top-left.jpg

12134 ms

logo.jpg

3748 ms

company.jpg

3105 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 96% of them (49 requests) were addressed to the original Vander.com.cn, 4% (2 requests) were made to Count30.51yes.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Vander.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 130.3 kB (42%)

Content Size

311.4 kB

After Optimization

181.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vander.com.cn main page is 311.4 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 277.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 21.2 kB

  • Original 25.7 kB
  • After minification 22.5 kB
  • After compression 4.5 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 3.2 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 21.2 kB or 82% of the original size.

Image Optimization

-37%

Potential reduce by 102.6 kB

  • Original 277.3 kB
  • After minification 174.7 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, Vander needs image optimization as it can save up to 102.6 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 4.0 kB

  • Original 5.1 kB
  • After minification 4.8 kB
  • After compression 1.0 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 4.0 kB or 80% of the original size.

CSS Optimization

-75%

Potential reduce by 2.5 kB

  • Original 3.3 kB
  • After minification 2.7 kB
  • After compression 815 B

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. Vander.com.cn needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (33%)

Requests Now

33

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vander. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

vander.com.cn

vander.com.cn

7567 ms

css.css

css.css

912 ms

top-left.jpg

top-left.jpg

12134 ms

logo.jpg

logo.jpg

3748 ms

company.jpg

company.jpg

3105 ms

nav-c.jpg

nav-c.jpg

7288 ms

js.js

js.js

3567 ms

links.js

links.js

3529 ms

click.aspx

click.aspx

4414 ms

nav-bg.jpg

nav-bg.jpg

5541 ms

top-right.jpg

top-right.jpg

7061 ms

ad-b-l.jpg

ad-b-l.jpg

11839 ms

1.gif

1.gif

6010 ms

2.gif

2.gif

6475 ms

3.gif

3.gif

6823 ms

4.gif

4.gif

7656 ms

5.gif

5.gif

7992 ms

right-case.jpg

right-case.jpg

13719 ms

right-faq.jpg

right-faq.jpg

12784 ms

right-contact.jpg

right-contact.jpg

15222 ms

nav01.jpg

nav01.jpg

19824 ms

more.jpg

more.jpg

16427 ms

nav02.jpg

nav02.jpg

17222 ms

search.jpg

search.jpg

16373 ms

nav-top.jpg

nav-top.jpg

15823 ms

nav03.jpg

nav03.jpg

19822 ms

200961814364956493.jpg

200961814364956493.jpg

18908 ms

2008112513335554396.jpg

2008112513335554396.jpg

17828 ms

2008112415225451400.jpg

2008112415225451400.jpg

19821 ms

2008112415445545386.jpg

2008112415445545386.jpg

19005 ms

2008112417434741794.jpg

2008112417434741794.jpg

19822 ms

20089114131058616.jpg

20089114131058616.jpg

19823 ms

200851917383430372.jpg

200851917383430372.jpg

19815 ms

200841210381283246.jpg

200841210381283246.jpg

19836 ms

foot-left.jpg

foot-left.jpg

19834 ms

logo-foot.jpg

logo-foot.jpg

19833 ms

foot-c.jpg

foot-c.jpg

19834 ms

0.gif

0.gif

19763 ms

1.gif

1.gif

19541 ms

5.gif

5.gif

18556 ms

3.gif

3.gif

18081 ms

02.jpg

02.jpg

19990 ms

03.jpg

03.jpg

19680 ms

count1.gif

count1.gif

3325 ms

04.jpg

04.jpg

20287 ms

05.jpg

05.jpg

19816 ms

01.jpg

01.jpg

20448 ms

bg1_122519.gif

bg1_122519.gif

18989 ms

2-2.gif

2-2.gif

11115 ms

3-2.gif

3-2.gif

6575 ms

4-2.gif

4-2.gif

3093 ms

Accessibility Review

vander.com.cn accessibility score

39

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.

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

vander.com.cn best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

vander.com.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

    N/A

  • Encoding

    GB2312

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

vander.com.cn

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