Tools & Wizards About Us
volox.cn screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

volox.cn

高空作业平台_电动堆高车|搬运车|叉车-维勒科500强企业优质供应商

Page Load Speed

9.6 sec in total

First Response

1.2 sec

Resources Loaded

8.2 sec

Page Rendered

193 ms

volox.cn screenshot

About Website

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

上海维勒科环保节能设备有限公司500强企业优质供应商，采用德国技术为客户提供高空作业平台,电动堆高车、叉车,油桶搬运车、升降机、桅柱、剪叉高空、地牛堆垛车等设备的解决方案.

Visit volox.cn

Key Findings

We analyzed Volox.cn page load time and found that the first response time was 1.2 sec and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

volox.cn performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.127

82/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

Network Requests Diagram

volox.cn

1177 ms

index.css

557 ms

javascript.js

568 ms

jquery-1.7.1.min.js

1373 ms

jquery.event.drag-1.5.min.js

1364 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 91% of them (42 requests) were addressed to the original Volox.cn, 4% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to Goutong.baidu.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Volox.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.1 kB (4%)

Content Size

2.8 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Volox.cn main page is 2.8 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. 50% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 46.1 kB

  • Original 55.2 kB
  • After minification 51.1 kB
  • After compression 9.1 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 46.1 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 63.3 kB

  • Original 2.6 MB
  • After minification 2.5 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. Volox images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 14.9 kB

  • Original 203.7 kB
  • After minification 203.7 kB
  • After compression 188.8 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

-34%

Potential reduce by 1.7 kB

  • Original 4.9 kB
  • After minification 4.9 kB
  • After compression 3.2 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. Volox.cn needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (13%)

Requests Now

45

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Volox. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

volox.cn

volox.cn

1177 ms

index.css

index.css

557 ms

javascript.js

javascript.js

568 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

1373 ms

jquery.event.drag-1.5.min.js

jquery.event.drag-1.5.min.js

1364 ms

jquery.touchSlider.js

jquery.touchSlider.js

590 ms

dot_001.gif

dot_001.gif

295 ms

c1.jpg

c1.jpg

590 ms

logo.jpg

logo.jpg

1962 ms

phone_400.png

phone_400.png

306 ms

222.jpg

222.jpg

299 ms

111.png

111.png

293 ms

bg.jpg

bg.jpg

564 ms

topx1.jpg

topx1.jpg

572 ms

btn_main_img.png

btn_main_img.png

577 ms

img_main_8.jpg

img_main_8.jpg

2547 ms

img_main_7.jpg

img_main_7.jpg

2904 ms

img_main_1.jpg

img_main_1.jpg

1636 ms

img_main_3.jpg

img_main_3.jpg

1375 ms

img_main_2.jpg

img_main_2.jpg

1704 ms

img_main_4.jpg

img_main_4.jpg

1933 ms

img_main_5.jpg

img_main_5.jpg

2420 ms

img_main_6.jpg

img_main_6.jpg

1986 ms

hover_left.png

hover_left.png

2187 ms

hover_right.png

hover_right.png

2217 ms

2017223155114334.jpg

2017223155114334.jpg

2244 ms

btn_det_001.gif

btn_det_001.gif

2456 ms

btn_cart_001.gif

btn_cart_001.gif

2495 ms

indenews.jpg

indenews.jpg

2533 ms

ico.gif

ico.gif

3263 ms

2015111916125553.jpg

2015111916125553.jpg

2757 ms

2012461169901.jpg

2012461169901.jpg

3106 ms

201246102130817.jpg

201246102130817.jpg

2833 ms

guang1.jpg

guang1.jpg

2849 ms

g13.jpg

g13.jpg

3035 ms

g12.jpg

g12.jpg

3118 ms

guang0.jpg

guang0.jpg

3138 ms

wx_volox.jpg

wx_volox.jpg

3168 ms

top.gif

top.gif

3297 ms

word_map.jpg

word_map.jpg

3365 ms

beian.png

beian.png

3378 ms

bg_005.gif

bg_005.gif

3384 ms

hm.js

hm.js

1192 ms

hm.gif

hm.gif

335 ms

b.js

b.js

1753 ms

affim.js

affim.js

2904 ms

Accessibility Review

volox.cn accessibility score

36

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

volox.cn best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

volox.cn SEO score

54

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

High

robots.txt is not valid

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 Volox.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 Volox.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

volox.cn

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