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

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

cnzhizao.en.alibaba.com

Company Overview - Henan Zhizao Teaching Instrument Co., Ltd.

Page Load Speed

3.9 sec in total

First Response

450 ms

Resources Loaded

3.3 sec

Page Rendered

130 ms

cnzhizao.en.alibaba.com screenshot

About Website

Visit cnzhizao.en.alibaba.com now to see the best up-to-date Cn Zhizao En Alibaba content for China and also check out these interesting facts you probably never knew about cnzhizao.en.alibaba.com

Henan Zhizao Teaching Instrument Co., Ltd. Products:teaching models,OMR machine,heating mantle,pigment,lab equipment

Visit cnzhizao.en.alibaba.com

Key Findings

We analyzed Cnzhizao.en.alibaba.com page load time and found that the first response time was 450 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

cnzhizao.en.alibaba.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value5,050 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

Network Requests Diagram

cnzhizao.en.alibaba.com

450 ms

cnzhizao.en.alibaba.com

381 ms

51 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

61 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

132 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Cnzhizao.en.alibaba.com, 61% (31 requests) were made to Sc02.alicdn.com and 12% (6 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 921.3 kB (46%)

Content Size

2.0 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cnzhizao.en.alibaba.com main page is 2.0 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. 30% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 573.4 kB

  • Original 672.7 kB
  • After minification 671.9 kB
  • After compression 99.3 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 573.4 kB or 85% of the original size.

Image Optimization

-39%

Potential reduce by 37.6 kB

  • Original 96.9 kB
  • After minification 59.3 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. Obviously, Cn Zhizao En Alibaba needs image optimization as it can save up to 37.6 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-25%

Potential reduce by 310.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 923.6 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 310.3 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (61%)

Requests Now

49

After Optimization

19

  • AJAX
  • Images
  • JavaScript

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Zhizao 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cnzhizao.en.alibaba.com

cnzhizao.en.alibaba.com

450 ms

cnzhizao.en.alibaba.com

cnzhizao.en.alibaba.com

381 ms

51 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

61 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

132 ms

index.js

index.js

279 ms

index.js

index.js

98 ms

renderHeader.js

renderHeader.js

112 ms

awsc.js

awsc.js

87 ms

17 ms

7.gif

7.gif

20 ms

et_f.js

et_f.js

7 ms

um.js

um.js

112 ms

Hd1e9e86a5461470b9f1ccbaf1186d8598.jpg

Hd1e9e86a5461470b9f1ccbaf1186d8598.jpg

467 ms

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

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

73 ms

H0e428101ad164c3780efc2713866c988e.jpg

H0e428101ad164c3780efc2713866c988e.jpg

147 ms

H3170ca9973b04009ab85c6555b808312h.jpg

H3170ca9973b04009ab85c6555b808312h.jpg

523 ms

H5a83c1e1b7b14e0c8acfc9a7dd84813cu.jpg

H5a83c1e1b7b14e0c8acfc9a7dd84813cu.jpg

334 ms

H40f874c01a134f3daa1ad148556ef5f5U.jpg

H40f874c01a134f3daa1ad148556ef5f5U.jpg

601 ms

Hf8ade65d882241c19ee6210eca211e7aY.jpg

Hf8ade65d882241c19ee6210eca211e7aY.jpg

364 ms

Hbc617c6933034f63bb40183a0293cd92C.jpg

Hbc617c6933034f63bb40183a0293cd92C.jpg

450 ms

Hcc52e320b5694b2a945d7732b0d039a09.jpg

Hcc52e320b5694b2a945d7732b0d039a09.jpg

677 ms

Hb9f24e0f3cdd4c73b0399bf8a26fe7e6W.jpg

Hb9f24e0f3cdd4c73b0399bf8a26fe7e6W.jpg

657 ms

Ha7a7aadead714442b8b771257a07658bE.jpg

Ha7a7aadead714442b8b771257a07658bE.jpg

976 ms

H5f5054aa83fe4e739f8795ea2f30c567K.jpg

H5f5054aa83fe4e739f8795ea2f30c567K.jpg

758 ms

He0d830016c4f45a29e33802850c7b88c6.jpg

He0d830016c4f45a29e33802850c7b88c6.jpg

790 ms

H07056583d03f4c3b994a9dc56ea60a00A.jpg

H07056583d03f4c3b994a9dc56ea60a00A.jpg

873 ms

H93375494e708483cb03cae6c087caf03V.jpg

H93375494e708483cb03cae6c087caf03V.jpg

1048 ms

Hd882fdf39bd445ed9cf9165b5c6c14868.jpg

Hd882fdf39bd445ed9cf9165b5c6c14868.jpg

2257 ms

Ha202cc3832654caf9cb60636ebb0f21cq.jpg

Ha202cc3832654caf9cb60636ebb0f21cq.jpg

1185 ms

H91cce39e231f4644bb48fb40ab7c0b872.jpg

H91cce39e231f4644bb48fb40ab7c0b872.jpg

1053 ms

H17bdaf677d4847829e8b142020aaa3eaD.jpg

H17bdaf677d4847829e8b142020aaa3eaD.jpg

1253 ms

Hf6e8ff3147ab4677b6a506af64c48339C.jpg

Hf6e8ff3147ab4677b6a506af64c48339C.jpg

1387 ms

H8b65969f52724e31876a842fb1f4ffd33.jpg

H8b65969f52724e31876a842fb1f4ffd33.jpg

1394 ms

H909a98d9beb044b2b1e14713475eb868N.jpg

H909a98d9beb044b2b1e14713475eb868N.jpg

1359 ms

He84f68e8f0ba4f58abf9d7f08b7ea459R.jpg

He84f68e8f0ba4f58abf9d7f08b7ea459R.jpg

1899 ms

Hdb28dae36830449ea2529897723f4c7dO.jpg

Hdb28dae36830449ea2529897723f4c7dO.jpg

1607 ms

H5237d1b449164c458e8947aede62e14dY.jpg

H5237d1b449164c458e8947aede62e14dY.jpg

1654 ms

Hef134bc6ba2b41dda167fb97fe6406d0l.jpg

Hef134bc6ba2b41dda167fb97fe6406d0l.jpg

1663 ms

H335435977ca6425ea72073f9e83fe5f7j.jpg

H335435977ca6425ea72073f9e83fe5f7j.jpg

1816 ms

H0a4c059503444507accf7857900c5244g.jpg

H0a4c059503444507accf7857900c5244g.jpg

1986 ms

H482aa6c1273446fc8af214c15f08ba84I.jpg

H482aa6c1273446fc8af214c15f08ba84I.jpg

1998 ms

Hf9a20936992e4096b58f1b0c8b5ea8271.jpg

Hf9a20936992e4096b58f1b0c8b5ea8271.jpg

2218 ms

Hb0e2168362b04964aa4db69dc3740d029.jpg

Hb0e2168362b04964aa4db69dc3740d029.jpg

2172 ms

Hd8e38c4a422c499b97f621982e3839d99.jpg

Hd8e38c4a422c499b97f621982e3839d99.jpg

2418 ms

Hef6f483504fd48eba6a59d6c845e2d1bP.jpg

Hef6f483504fd48eba6a59d6c845e2d1bP.jpg

2343 ms

wu.json

wu.json

26 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

19 ms

eg.js

eg.js

3 ms

index.js

index.js

11 ms

Accessibility Review

cnzhizao.en.alibaba.com accessibility score

66

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

cnzhizao.en.alibaba.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

cnzhizao.en.alibaba.com SEO score

79

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 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 Cnzhizao.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 Cnzhizao.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

cnzhizao.en.alibaba.com

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