Tools & Wizards About Us
zd99.com screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

zd99.com

智电电子专业生产:世界地图时间钟,世界时间地图钟,宾馆酒店世界钟,世界时间钟,部队自动广播系统,军号仪,军号播放器,校园自动广播系统,音乐定时播放器,倒计时钟,打铃器,电子抢答器,全自动水位控制器,定时开关控制器,等电子自动化控制设备

Page Load Speed

69 sec in total

First Response

10.7 sec

Resources Loaded

57.9 sec

Page Rendered

345 ms

zd99.com screenshot

About Website

Welcome to zd99.com homepage info - get ready to check Zd 99 best content right away, or after learning these important things about zd99.com

智电电子是一家提供：世界地图时间钟\世界时间地图钟\宾馆酒店世界钟\世界时间钟\部队自动广播系统\军号仪\军号播放器\校园自动广播系统\音乐定时播放器\倒计时钟\打铃器\电脑抢答器\全自动水位控制器\定时开关控制器\等电子自动化控制设备的专业研发生产企业。

Visit zd99.com

Key Findings

We analyzed Zd99.com page load time and found that the first response time was 10.7 sec and then it took 58.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 19 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zd99.com performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

zd99.com

10701 ms

jquery-1.8.3.min.js

16281 ms

include.js

15628 ms

Style.css

5357 ms

681148.js

19748 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 87% of them (72 requests) were addressed to the original Zd99.com, 6% (5 requests) were made to Pub.idqqimg.com and 2% (2 requests) were made to Img03.taobaocdn.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Zd99.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.4 kB (20%)

Content Size

1.1 MB

After Optimization

872.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zd99.com main page is 1.1 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. 20% of websites need less resources to load. Images take 832.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 36.5 kB

  • Original 45.2 kB
  • After minification 43.2 kB
  • After compression 8.7 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. 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 36.5 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 35.6 kB

  • Original 832.3 kB
  • After minification 796.7 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. Zd 99 images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 107.5 kB

  • Original 165.4 kB
  • After minification 154.6 kB
  • After compression 57.9 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 107.5 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 41.8 kB

  • Original 50.8 kB
  • After minification 32.7 kB
  • After compression 8.9 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. Zd99.com needs all CSS files to be minified and compressed as it can save up to 41.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (43%)

Requests Now

63

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zd 99. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zd99.com

zd99.com

10701 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

16281 ms

include.js

include.js

15628 ms

Style.css

Style.css

5357 ms

681148.js

681148.js

19748 ms

myfocus-2.0.4.min.js

myfocus-2.0.4.min.js

2337 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

1017 ms

colorbox.css

colorbox.css

429 ms

hoverIntent.js

hoverIntent.js

421 ms

superfish.js

superfish.js

1293 ms

supersubs.js

supersubs.js

965 ms

superfish.css

superfish.css

1418 ms

superfish-navbar.css

superfish-navbar.css

979 ms

jquery.idTabs.js

jquery.idTabs.js

1752 ms

jquery.jfontsizer.js

jquery.jfontsizer.js

3053 ms

Validform_v5.3_min.js

Validform_v5.3_min.js

2066 ms

jquery.fixed.1.3.js

jquery.fixed.1.3.js

1662 ms

sidebar.css

sidebar.css

1863 ms

DD_belatedPNG.js

DD_belatedPNG.js

2065 ms

typo.css

typo.css

861 ms

screen.css

screen.css

320 ms

list.css

list.css

12836 ms

logo-80px.gif

logo-80px.gif

1111 ms

hc360_logo.gif

hc360_logo.gif

1532 ms

logo.jpg

logo.jpg

3274 ms

body_bg.jpg

body_bg.jpg

412 ms

logo.jpg

logo.jpg

677 ms

tel_bg.jpg

tel_bg.jpg

784 ms

tableftH.gif

tableftH.gif

383 ms

tabrightH.gif

tabrightH.gif

390 ms

menu_xl.gif

menu_xl.gif

384 ms

No1.jpg

No1.jpg

5808 ms

sjp.jpg

sjp.jpg

7627 ms

spc.jpg

spc.jpg

15923 ms

end.jpg

end.jpg

3933 ms

more.gif

more.gif

1037 ms

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20159 ms

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5837 ms

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12096 ms

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12864 ms

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19399 ms

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12806 ms

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14337 ms

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14806 ms

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20155 ms

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19593 ms

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16853 ms

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19681 ms

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20153 ms

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20154 ms

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20132 ms

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20132 ms

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20132 ms

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20132 ms

20140712090788458845.jpg

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20132 ms

sytsxl700.jpg

sytsxl700.jpg

20132 ms

004.jpg

004.jpg

20131 ms

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20140809092636143614.jpg

20131 ms

201407111651004343.jpg

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20132 ms

20140711111515651565.gif

20140711111515651565.gif

20132 ms

mF_qiyi.css

mF_qiyi.css

20103 ms

mF_qiyi.js

mF_qiyi.js

19807 ms

20140711153670777077.jpg

20140711153670777077.jpg

19807 ms

zdgzh.jpg

zdgzh.jpg

19802 ms

T1FXHXXahjXXXAK3zo-77-18.gif

T1FXHXXahjXXXAK3zo-77-18.gif

412 ms

T1FXHXXahjXXXAK3zo-77-18.gif

T1FXHXXahjXXXAK3zo-77-18.gif

215 ms

button_121.gif

button_121.gif

529 ms

button_121.gif

button_121.gif

528 ms

button_121.gif

button_121.gif

527 ms

button_121.gif

button_121.gif

523 ms

button_121.gif

button_121.gif

248 ms

bzls.jpg

bzls.jpg

3046 ms

jt.gif

jt.gif

755 ms

hbbg.jpg

hbbg.jpg

1523 ms

zbg.jpg

zbg.jpg

2005 ms

class.gif

class.gif

831 ms

hotNo.gif

hotNo.gif

830 ms

footer_bg.jpg

footer_bg.jpg

1079 ms

sidebar_bg.gif

sidebar_bg.gif

4390 ms

gray_line.gif

gray_line.gif

1123 ms

border.png

border.png

1260 ms

controls.png

controls.png

1469 ms

blue_line.gif

blue_line.gif

1583 ms

Accessibility Review

zd99.com accessibility score

44

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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

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

Best Practices

zd99.com best practices score

50

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

High

Browser errors were logged to the console

SEO Factors

zd99.com SEO score

50

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

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

High

Document uses plugins

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 Zd99.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 Zd99.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

zd99.com

Open Graph description is not detected on the main page of Zd 99. 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: