Tools & Wizards About Us
iotworld.com.cn screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

iotworld.com.cn

物联网-IoT物联网行业门户网站-物联网世界网

Page Load Speed

73.7 sec in total

First Response

3.5 sec

Resources Loaded

69.9 sec

Page Rendered

350 ms

iotworld.com.cn screenshot

About Website

Visit iotworld.com.cn now to see the best up-to-date Io Tworld content for China and also check out these interesting facts you probably never knew about iotworld.com.cn

物联网世界是物联网行业的门户网站，我们致力于物联网、传感器网络、感知中国、RFID无线射频识别、无线短距离通讯、云计算、等物联网技术的应用与推广,网站内汇集了物联网的全球最新资讯,物联网与传感器网络、RFID电子标签产品,智能卡,读卡器设备及其智能电网,智能家居,智慧城市,感知中国,智慧地球应用集成的厂家和产品信息,提供详尽的物联网在各行业的解决方案资料.对行业内的物联网展会进行报道,为物联网与传...

Visit iotworld.com.cn

Key Findings

We analyzed Iotworld.com.cn page load time and found that the first response time was 3.5 sec and then it took 70.2 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 34 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

iotworld.com.cn performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.506

16/100

15%

TTI (Time to Interactive)

Value8.7 s

37/100

10%

Network Requests Diagram

iotworld.com.cn

3497 ms

www.iotworld.com.cn

17368 ms

index.css

2630 ms

jquery-1.4.2.min.js

16173 ms

IOTHome.js

6613 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 81% of them (70 requests) were addressed to the original Iotworld.com.cn, 7% (6 requests) were made to Hm.baidu.com and 6% (5 requests) were made to Images.rfidworld.com.cn. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Iotworld.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 138.0 kB (30%)

Content Size

467.2 kB

After Optimization

329.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iotworld.com.cn main page is 467.2 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. 20% of websites need less resources to load. Images take 318.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 86.8 kB

  • Original 115.2 kB
  • After minification 114.4 kB
  • After compression 28.4 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 86.8 kB or 75% of the original size.

Image Optimization

-8%

Potential reduce by 25.9 kB

  • Original 318.2 kB
  • After minification 292.3 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. Io Tworld images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 7.6 kB

  • Original 10.2 kB
  • After minification 7.7 kB
  • After compression 2.5 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 7.6 kB or 75% of the original size.

CSS Optimization

-75%

Potential reduce by 17.7 kB

  • Original 23.6 kB
  • After minification 21.0 kB
  • After compression 5.9 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. Iotworld.com.cn needs all CSS files to be minified and compressed as it can save up to 17.7 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (20%)

Requests Now

50

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Io Tworld. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

iotworld.com.cn

iotworld.com.cn

3497 ms

www.iotworld.com.cn

www.iotworld.com.cn

17368 ms

index.css

index.css

2630 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

16173 ms

IOTHome.js

IOTHome.js

6613 ms

master.css

master.css

6626 ms

top.css

top.css

1342 ms

4310747.js

4310747.js

3941 ms

isheExpo470x80.jpg

isheExpo470x80.jpg

4087 ms

261619029701655911537.gif

261619029701655911537.gif

17875 ms

NavBg.png

NavBg.png

3515 ms

NavLeftLine.png

NavLeftLine.png

1421 ms

IOTWordLOGO.png

IOTWordLOGO.png

4309 ms

qxwzimg.jpg

qxwzimg.jpg

3417 ms

picMode_light_s1.png

picMode_light_s1.png

1107 ms

AppMuBg.jpg

AppMuBg.jpg

3348 ms

ProMuBg.jpg

ProMuBg.jpg

13573 ms

seaBg.jpg

seaBg.jpg

3927 ms

Sa01.png

Sa01.png

10109 ms

Sa02.png

Sa02.png

4087 ms

SerBtn.png

SerBtn.png

6551 ms

041106108892041175501.png

041106108892041175501.png

9985 ms

23102043325409163882.gif

23102043325409163882.gif

20032 ms

IOTExpo2016442x80.gif

IOTExpo2016442x80.gif

14060 ms

18111037729120215909.jpg

18111037729120215909.jpg

20032 ms

211459277531786119601.gif

211459277531786119601.gif

16680 ms

301004021991655911537.jpg

301004021991655911537.jpg

20033 ms

12165637644120215909.jpg

12165637644120215909.jpg

20034 ms

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02095837625120215909.jpg

19672 ms

29104637110120215909.jpg

29104637110120215909.jpg

20035 ms

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01142822832471587800.jpg

20037 ms

12181237535120215909.jpg

12181237535120215909.jpg

20038 ms

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241003349031049483746.jpg

20039 ms

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14133943749409163882.jpg

20040 ms

10103403232630327709.jpg

10103403232630327709.jpg

20041 ms

10100739158216531900.jpg

10100739158216531900.jpg

20041 ms

2411401848278955818.jpg

2411401848278955818.jpg

20042 ms

201638483741723695683.jpg

201638483741723695683.jpg

20042 ms

191645279511786119601.jpg

191645279511786119601.jpg

20042 ms

191445081801944859510.png

191445081801944859510.png

20042 ms

jt.jpg

jt.jpg

20043 ms

sp.jpg

sp.jpg

20043 ms

af.jpg

af.jpg

20043 ms

wl.jpg

wl.jpg

20044 ms

IOTCmdStock.html

IOTCmdStock.html

20031 ms

46755b793b9398f484f.jpg

46755b793b9398f484f.jpg

2079 ms

h.js

h.js

536 ms

h.js

h.js

603 ms

21.gif

21.gif

918 ms

hm.gif

hm.gif

267 ms

hm.gif

hm.gif

298 ms

AjaxHandler.ashx

AjaxHandler.ashx

19820 ms

qc.jpg

qc.jpg

19612 ms

yl.jpg

yl.jpg

19686 ms

251515338142075067574.jpg

251515338142075067574.jpg

19618 ms

251512333532075067574.jpg

251512333532075067574.jpg

19522 ms

09154726381664219782.jpg

09154726381664219782.jpg

20106 ms

1908505921179691810.jpg

1908505921179691810.jpg

19946 ms

071433382091242115728.gif

071433382091242115728.gif

19726 ms

68460458dea6ecf42bf.png

68460458dea6ecf42bf.png

3532 ms

16094037700120215909.jpg

16094037700120215909.jpg

20481 ms

button_11.gif

button_11.gif

455 ms

button_11.gif

button_11.gif

665 ms

1115465882857791991.gif

1115465882857791991.gif

20047 ms

2214391447186323836.jpg

2214391447186323836.jpg

19924 ms

88363823a090dc2dd73.jpg

88363823a090dc2dd73.jpg

416 ms

19101624669567903791.gif

19101624669567903791.gif

20460 ms

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231638141586323836.gif

19972 ms

180918544042012643656.jpg

180918544042012643656.jpg

20351 ms

04170009740919275682.png

04170009740919275682.png

12996 ms

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806823b41b4319fb186.png

2474 ms

21111707561822959691.jpg

21111707561822959691.jpg

13002 ms

title-bg.jpg

title-bg.jpg

11359 ms

inTitBg001.gif

inTitBg001.gif

11270 ms

px02.gif

px02.gif

11709 ms

InHotNews.gif

InHotNews.gif

13125 ms

TitCBgGre.gif

TitCBgGre.gif

12996 ms

pximg.gif

pximg.gif

13083 ms

IndexImgBg.gif

IndexImgBg.gif

16894 ms

inTitBg002.gif

inTitBg002.gif

13522 ms

noImg.jpg

noImg.jpg

19988 ms

367248bc8dcf5bc410d.jpg

367248bc8dcf5bc410d.jpg

387 ms

NoImg.jpg

NoImg.jpg

12054 ms

noImg.jpg

noImg.jpg

2471 ms

hm.gif

hm.gif

530 ms

hm.gif

hm.gif

600 ms

Accessibility Review

iotworld.com.cn accessibility score

65

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

iotworld.com.cn best practices score

67

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

iotworld.com.cn SEO score

83

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

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 Iotworld.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 Iotworld.com.cn 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

iotworld.com.cn

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