Tools & Wizards About Us
zhanxinsh.com screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

zhanxinsh.com

上海灯光音响工程，上海灯光租赁，上海音响租赁，上海舞台搭建

Page Load Speed

39.5 sec in total

First Response

3.4 sec

Resources Loaded

35.9 sec

Page Rendered

296 ms

zhanxinsh.com screenshot

About Website

Click here to check amazing Zhanxinsh content. Otherwise, check out these important facts you probably never knew about zhanxinsh.com

上海展信文化传播有限公司由专业的广播电视团队打造，是专业的音视频灯光音响工程、演出设备租赁公司，主营：舞台灯光音响工程、舞台机械幕布工程、室外亮化/景观艺术照明工程、声学装饰装修工程、建筑智能化工程、音视频集成工程、多媒体会议工程、网络会议工程、综合布线/监控系统工程、计算系统集成工程以及演出服务、活动策划等多元化服务为一体的综合性专业公司。 本公司承接的工程集设计创意、声学整体策划、专业安装调试...

Visit zhanxinsh.com

Key Findings

We analyzed Zhanxinsh.com page load time and found that the first response time was 3.4 sec and then it took 36.2 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 28 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zhanxinsh.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.471

18/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

zhanxinsh.com

3380 ms

css.css

900 ms

lanrentuku.css

2268 ms

jquery-1.4.2.min.js

6106 ms

lanrentuku.js

1355 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 98% of them (59 requests) were addressed to the original Zhanxinsh.com, 2% (1 request) were made to Tajs.qq.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Zhanxinsh.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.9 kB (57%)

Content Size

72.1 kB

After Optimization

31.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhanxinsh.com main page is 72.1 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. Javascripts take 24.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 14.9 kB

  • Original 19.6 kB
  • After minification 17.6 kB
  • After compression 4.8 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 14.9 kB or 76% of the original size.

Image Optimization

-28%

Potential reduce by 5.0 kB

  • Original 18.0 kB
  • After minification 13.0 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, Zhanxinsh needs image optimization as it can save up to 5.0 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 14.0 kB

  • Original 24.8 kB
  • After minification 23.9 kB
  • After compression 10.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 14.0 kB or 57% of the original size.

CSS Optimization

-73%

Potential reduce by 7.0 kB

  • Original 9.6 kB
  • After minification 8.6 kB
  • After compression 2.6 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. Zhanxinsh.com needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (16%)

Requests Now

31

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhanxinsh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zhanxinsh.com

zhanxinsh.com

3380 ms

css.css

css.css

900 ms

lanrentuku.css

lanrentuku.css

2268 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

6106 ms

lanrentuku.js

lanrentuku.js

1355 ms

flashobj.js

flashobj.js

3242 ms

myfocus-2.0.4.min.js

myfocus-2.0.4.min.js

4109 ms

stats

stats

1919 ms

mF_ladyQ.css

mF_ladyQ.css

1384 ms

mF_ladyQ.js

mF_ladyQ.js

1496 ms

headimg.jpg

headimg.jpg

493 ms

08.jpg

08.jpg

3970 ms

07.jpg

07.jpg

19992 ms

09.jpg

09.jpg

9768 ms

10.jpg

10.jpg

19992 ms

11.jpg

11.jpg

9151 ms

12.jpg

12.jpg

6084 ms

132.jpg

132.jpg

7993 ms

a1.jpg

a1.jpg

16646 ms

a2.jpg

a2.jpg

19008 ms

a3.jpg

a3.jpg

19990 ms

a4.jpg

a4.jpg

19991 ms

new6.gif

new6.gif

17153 ms

20151124051121.png

20151124051121.png

19991 ms

20151120051106.png

20151120051106.png

19991 ms

20151125031135.png

20151125031135.png

19992 ms

20151125111135.jpg

20151125111135.jpg

19992 ms

20151125101141.png

20151125101141.png

19991 ms

20151125091143.png

20151125091143.png

19985 ms

20140911070928.jpg

20140911070928.jpg

19986 ms

20140713110736.jpg

20140713110736.jpg

19986 ms

20130220040252.jpg

20130220040252.jpg

19985 ms

20130219030207.jpg

20130219030207.jpg

19980 ms

20130219030241.jpg

20130219030241.jpg

19978 ms

20121110081145.jpg

20121110081145.jpg

19977 ms

20140214100201.jpg

20140214100201.jpg

19974 ms

img21.jpg

img21.jpg

19974 ms

img22.jpg

img22.jpg

19970 ms

img23.jpg

img23.jpg

19969 ms

img24.jpg

img24.jpg

19969 ms

img25.jpg

img25.jpg

19969 ms

yu.jpg

yu.jpg

19969 ms

link1.jpg

link1.jpg

19969 ms

link2.jpg

link2.jpg

19967 ms

link3.jpg

link3.jpg

20500 ms

link4.jpg

link4.jpg

19560 ms

link6.jpg

link6.jpg

20499 ms

headbg.jpg

headbg.jpg

17025 ms

logo.jpg

logo.jpg

18789 ms

navbg.jpg

navbg.jpg

16884 ms

navleft.jpg

navleft.jpg

15367 ms

navright.jpg

navright.jpg

16898 ms

lc.png

lc.png

5331 ms

mc.png

mc.png

5312 ms

rc.png

rc.png

5282 ms

imgPlayer.png

imgPlayer.png

6796 ms

submid.jpg

submid.jpg

4781 ms

subleft.jpg

subleft.jpg

4880 ms

subright.jpg

subright.jpg

5255 ms

huang.jpg

huang.jpg

5620 ms

Accessibility Review

zhanxinsh.com accessibility score

63

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

Links do not have a discernible name

Best Practices

zhanxinsh.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zhanxinsh.com SEO score

50

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zhanxinsh.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 Zhanxinsh.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

zhanxinsh.com

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