Tools & Wizards About Us
hzjz724.en.alibaba.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

hzjz724.en.alibaba.com

Huazhijiaozi Iot Science Technology (shenzhen) Co., Ltd. - Air quality monitor, CO2 meter

Page Load Speed

2.6 sec in total

First Response

280 ms

Resources Loaded

2.1 sec

Page Rendered

191 ms

hzjz724.en.alibaba.com screenshot

About Website

Click here to check amazing Hzjz 724 En Alibaba content for China. Otherwise, check out these important facts you probably never knew about hzjz724.en.alibaba.com

Huazhijiaozi Iot Science Technology (shenzhen) Co., Ltd., Experts in Manufacturing and Exporting Air quality monitor, CO2 meter and 0 more Products.

Visit hzjz724.en.alibaba.com

Key Findings

We analyzed Hzjz724.en.alibaba.com page load time and found that the first response time was 280 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

hzjz724.en.alibaba.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value4,840 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.292

41/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

Network Requests Diagram

hzjz724.en.alibaba.com

280 ms

hzjz724.en.alibaba.com

555 ms

130 ms

62 ms

header.css

69 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Hzjz724.en.alibaba.com, 42% (31 requests) were made to S.alicdn.com and 10% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.5 MB (62%)

Content Size

4.1 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hzjz724.en.alibaba.com main page is 4.1 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. 50% of websites need less resources to load. Javascripts take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 343.4 kB

  • Original 424.3 kB
  • After minification 420.4 kB
  • After compression 80.9 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 343.4 kB or 81% of the original size.

Image Optimization

-46%

Potential reduce by 177.2 kB

  • Original 386.7 kB
  • After minification 209.5 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, Hzjz 724 En Alibaba needs image optimization as it can save up to 177.2 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 1.7 MB

  • Original 3.0 MB
  • After minification 3.0 MB
  • After compression 1.3 MB

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 MB or 58% of the original size.

CSS Optimization

-88%

Potential reduce by 283.8 kB

  • Original 320.9 kB
  • After minification 270.1 kB
  • After compression 37.1 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. Hzjz724.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (68%)

Requests Now

62

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hzjz 724 En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hzjz724.en.alibaba.com

hzjz724.en.alibaba.com

280 ms

hzjz724.en.alibaba.com

hzjz724.en.alibaba.com

555 ms

130 ms

62 ms

header.css

header.css

69 ms

header.js

header.js

125 ms

67 ms

web-index.css

web-index.css

77 ms

web-index.css

web-index.css

219 ms

web-index.css

web-index.css

88 ms

web-index.css

web-index.css

82 ms

web-index.css

web-index.css

324 ms

214 ms

114 ms

index.js

index.js

214 ms

211 ms

H2c513d2021d843b1b64c30a0fd70ed1dr.jpg

H2c513d2021d843b1b64c30a0fd70ed1dr.jpg

624 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

370 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

57 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

56 ms

H168ce145d7674a1d946cddabc13b7453f.jpg_q80.jpg

H168ce145d7674a1d946cddabc13b7453f.jpg_q80.jpg

449 ms

Hdf4006c65c6f45ca963e1cf8871d6ddfQ.jpg_q80.jpg

Hdf4006c65c6f45ca963e1cf8871d6ddfQ.jpg_q80.jpg

1312 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

539 ms

Hbcb5a68176c24a898f67759744053326s.jpg

Hbcb5a68176c24a898f67759744053326s.jpg

1036 ms

H000616b93b4e459ab0d37a7b9db4c7d8E.png

H000616b93b4e459ab0d37a7b9db4c7d8E.png

368 ms

H96280158fe7b466090cf59864b137a0aH.png

H96280158fe7b466090cf59864b137a0aH.png

369 ms

H257cee4cf14040d983af7c9022c28105A.png

H257cee4cf14040d983af7c9022c28105A.png

991 ms

H9707d780b7a34b9887a7ce36224bd0814.png

H9707d780b7a34b9887a7ce36224bd0814.png

371 ms

personTipsInfo.do

personTipsInfo.do

37 ms

awsc.js

awsc.js

97 ms

29 ms

eg.js

eg.js

26 ms

roboto-regular.woff

roboto-regular.woff

44 ms

roboto-medium.woff

roboto-medium.woff

59 ms

roboto-light.woff

roboto-light.woff

25 ms

roboto-thin.woff

roboto-thin.woff

44 ms

roboto-bold.woff

roboto-bold.woff

87 ms

et_n.js

et_n.js

29 ms

um.js

um.js

130 ms

7.gif

7.gif

43 ms

index.js

index.js

44 ms

index.js

index.js

116 ms

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

101 ms

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

457 ms

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

544 ms

118 ms

icon-font.woff

icon-font.woff

266 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

179 ms

baxiaCommon.js

baxiaCommon.js

151 ms

rp

rp

1125 ms

wu.json

wu.json

63 ms

sc.globalxman.appscene

sc.globalxman.appscene

21 ms

footer.css

footer.css

344 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

241 ms

light0.5x.png

light0.5x.png

56 ms

pages_version.html

pages_version.html

325 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

19 ms

defer-common.js

defer-common.js

96 ms

i.alicdn.com

i.alicdn.com

87 ms

index.js

index.js

29 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

10 ms

index.js

index.js

135 ms

store-proxy.html

store-proxy.html

128 ms

countryCurrencyDataService

countryCurrencyDataService

127 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

82 ms

personRoleInfo.do

personRoleInfo.do

98 ms

notification.do

notification.do

109 ms

iconfont.woff

iconfont.woff

8 ms

iconfont.woff

iconfont.woff

41 ms

index.web.css

index.web.css

258 ms

index.web.js

index.web.js

52 ms

availableSurveyQuery.json

availableSurveyQuery.json

148 ms

Accessibility Review

hzjz724.en.alibaba.com 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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

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

hzjz724.en.alibaba.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

hzjz724.en.alibaba.com SEO score

79

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

Image elements do not have [alt] attributes

High

Document doesn't have a valid hreflang

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hzjz724.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Hzjz724.en.alibaba.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

hzjz724.en.alibaba.com

Open Graph data is detected on the main page of Hzjz 724 En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: