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xavis.com.cn screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

xavis.com.cn

机器视觉-智能视觉-缺陷检测-瑕疵检测-包装检测-尺寸测量系统-解决方案-欣维视觉科技有限公司

Page Load Speed

77 sec in total

First Response

11 sec

Resources Loaded

65.8 sec

Page Rendered

227 ms

xavis.com.cn screenshot

About Website

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

欣维视觉（XAVIS）是一家以机器视觉及双远心技术为核心，专注于利用智能视觉技术进行视觉尺寸测量、瑕疵检测、缺陷检测、包装检测的高新技术公司，在智能视觉检测领域有着独特的技术优势和经验积累，目前已帮助多家公司实现视觉自动化检测

Visit xavis.com.cn

Key Findings

We analyzed Xavis.com.cn page load time and found that the first response time was 11 sec and then it took 66 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 22 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

xavis.com.cn performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

xavis.com.cn

10956 ms

www.xavis.com.cn

8526 ms

style.css

978 ms

jquery-1.8.0.min.js

19806 ms

jquery.jslides.js

3695 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 48% of them (29 requests) were addressed to the original Xavis.com.cn, 26% (16 requests) were made to Qiao.baidu.com and 8% (5 requests) were made to Lxbjs.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Xavis.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.3 kB (41%)

Content Size

172.7 kB

After Optimization

102.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Xavis.com.cn main page is 172.7 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 98.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 20.2 kB

  • Original 28.3 kB
  • After minification 27.8 kB
  • After compression 8.1 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 20.2 kB or 71% of the original size.

Image Optimization

-13%

Potential reduce by 12.5 kB

  • Original 98.4 kB
  • After minification 85.9 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, Xavis needs image optimization as it can save up to 12.5 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

-68%

Potential reduce by 1.7 kB

  • Original 2.5 kB
  • After minification 2.0 kB
  • After compression 796 B

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 1.7 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 35.8 kB

  • Original 43.5 kB
  • After minification 33.7 kB
  • After compression 7.6 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. Xavis.com.cn needs all CSS files to be minified and compressed as it can save up to 35.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (46%)

Requests Now

37

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xavis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

xavis.com.cn

xavis.com.cn

10956 ms

www.xavis.com.cn

www.xavis.com.cn

8526 ms

style.css

style.css

978 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

19806 ms

jquery.jslides.js

jquery.jslides.js

3695 ms

tel.jpg

tel.jpg

469 ms

logo.png

logo.png

1364 ms

daohang.png

daohang.png

931 ms

51cf21db8a9986e0d13f0519276557f1.jpg

51cf21db8a9986e0d13f0519276557f1.jpg

19994 ms

befb1ca742803d45f2280ffa37e76dab.jpg

befb1ca742803d45f2280ffa37e76dab.jpg

1459 ms

b4c2c5fac6d2a272baee97b97fb790d1.jpg

b4c2c5fac6d2a272baee97b97fb790d1.jpg

1403 ms

38a941fd8f2c25e5ea0ae691d505a489.png

38a941fd8f2c25e5ea0ae691d505a489.png

19994 ms

e725020b7ff59b30492189ad942c5956.jpg

e725020b7ff59b30492189ad942c5956.jpg

19984 ms

403955a04becc395c70aac6d1ab5bf7c.jpg

403955a04becc395c70aac6d1ab5bf7c.jpg

19984 ms

00b3e21acff29dee80c3243fe6c52008.jpg

00b3e21acff29dee80c3243fe6c52008.jpg

19984 ms

0df0213cc2ea15faea18289e2e6164c5.jpg

0df0213cc2ea15faea18289e2e6164c5.jpg

19984 ms

e51ad02a95cd1c377dc30b652af2bd72.jpg

e51ad02a95cd1c377dc30b652af2bd72.jpg

19982 ms

4202d0c27c9116b74a09ead1191d30b7.jpg

4202d0c27c9116b74a09ead1191d30b7.jpg

19982 ms

a313ec0a11823cef276f787544ba1f18.jpg

a313ec0a11823cef276f787544ba1f18.jpg

19982 ms

e699047fdfaf5093d1779fb2a723a7fe.gif

e699047fdfaf5093d1779fb2a723a7fe.gif

19982 ms

index_26.png

index_26.png

19982 ms

index_29.png

index_29.png

19982 ms

js

js

19966 ms

3e38f219d8b1ae291bc98ee2dcf115ce.jpg

3e38f219d8b1ae291bc98ee2dcf115ce.jpg

19961 ms

445bcebf15c13f4369bba8e60ee36bc5.jpg

445bcebf15c13f4369bba8e60ee36bc5.jpg

19960 ms

b99c560b6e01e8f26bca5ba13b5d1dd1.jpg

b99c560b6e01e8f26bca5ba13b5d1dd1.jpg

19960 ms

a69af371d50edcc5906a47f491af9d37.jpg

a69af371d50edcc5906a47f491af9d37.jpg

19961 ms

44545f15ad02730b0ddc7959675eecd0.jpg

44545f15ad02730b0ddc7959675eecd0.jpg

19960 ms

tt.png

tt.png

19957 ms

more.png

more.png

19959 ms

hm.js

hm.js

971 ms

push.js

push.js

16244 ms

hm.gif

hm.gif

312 ms

lxb.js

lxb.js

5971 ms

b.js

b.js

718 ms

bsl.js

bsl.js

2775 ms

Enter.php

Enter.php

1717 ms

main_icon_invite_mess_api.js

main_icon_invite_mess_api.js

2621 ms

main.css

main.css

2409 ms

fix.css

fix.css

1860 ms

version.js

version.js

1859 ms

log.gif

log.gif

331 ms

_l.js

_l.js

1052 ms

01.jpg

01.jpg

1828 ms

m-webim-lite.css

m-webim-lite.css

482 ms

m-webim-lite.js

m-webim-lite.js

19731 ms

Refresh.php

Refresh.php

1209 ms

12.png

12.png

1546 ms

09.png

09.png

992 ms

icon.png

icon.png

982 ms

icon_close.png

icon_close.png

1864 ms

stat.gif

stat.gif

2866 ms

mess-text.png

mess-text.png

1844 ms

messbtn.png

messbtn.png

1849 ms

mess.gif

mess.gif

2164 ms

btn.png

btn.png

3304 ms

log.gif

log.gif

384 ms

float.css

float.css

1034 ms

Refresh.php

Refresh.php

352 ms

Refresh.php

Refresh.php

345 ms

Refresh.php

Refresh.php

353 ms

Accessibility Review

xavis.com.cn accessibility score

72

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

xavis.com.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

xavis.com.cn SEO score

69

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

Links do not have descriptive text

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 Xavis.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 Xavis.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

xavis.com.cn

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