Tools & Wizards About Us
zlg.cn screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

zlg.cn

ZLG致远电子-广州致远电子股份有限公司

Page Load Speed

7.4 sec in total

First Response

793 ms

Resources Loaded

6.2 sec

Page Rendered

462 ms

zlg.cn screenshot

About Website

Click here to check amazing Zlg content for China. Otherwise, check out these important facts you probably never knew about zlg.cn

广州致远电子股份有限公司作为工业互联网产品与解决方案供应商，专注服务工业领域企业类用户，提供从感知控制、互联互通、边缘计算到ZWS IoT-PaaS云平台的产品与系统化方案，与生态伙伴开放合作，为客户创造价值。

Visit zlg.cn

Key Findings

We analyzed Zlg.cn page load time and found that the first response time was 793 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

zlg.cn performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value21.0 s

0/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

zlg.cn

793 ms

bootstrap.min.css

376 ms

swiper.min.css

572 ms

base.v4.css

573 ms

header.v4.css

515 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 73% of them (38 requests) were addressed to the original Zlg.cn, 10% (5 requests) were made to Basevistor.s2.udesk.cn and 6% (3 requests) were made to Zlgservice.s2.udesk.cn. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Fxgate.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 67.4 kB (1%)

Content Size

9.7 MB

After Optimization

9.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zlg.cn main page is 9.7 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. 35% of websites need less resources to load. Images take 9.4 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 57.8 kB

  • Original 84.0 kB
  • After minification 82.2 kB
  • After compression 26.2 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 57.8 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 6.2 kB

  • Original 9.4 MB
  • After minification 9.4 MB

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. Zlg images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 841 B

  • Original 92.4 kB
  • After minification 92.4 kB
  • After compression 91.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 2.5 kB

  • Original 45.9 kB
  • After minification 45.9 kB
  • After compression 43.4 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. Zlg.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (38%)

Requests Now

47

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zlg. 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

zlg.cn

zlg.cn

793 ms

bootstrap.min.css

bootstrap.min.css

376 ms

swiper.min.css

swiper.min.css

572 ms

base.v4.css

base.v4.css

573 ms

header.v4.css

header.v4.css

515 ms

index.v4.css

index.v4.css

540 ms

font-awesome.min.css

font-awesome.min.css

660 ms

common-plugins.css

common-plugins.css

786 ms

jquery.min.js

jquery.min.js

1031 ms

zlgwaiter2.js

zlgwaiter2.js

931 ms

swiper.min.js

swiper.min.js

1131 ms

baseyang.v4_index.js

baseyang.v4_index.js

901 ms

base.v2.js

base.v2.js

1131 ms

common-plugins.js

common-plugins.js

1187 ms

index.v4.js

index.v4.js

1309 ms

note1.png

note1.png

1087 ms

logo_v3_a.svg

logo_v3_a.svg

485 ms

adsuse1.jpg

adsuse1.jpg

996 ms

adsuse2.jpg

adsuse2.jpg

1028 ms

adsuse3.jpg

adsuse3.jpg

1529 ms

adsuse4.jpg

adsuse4.jpg

1255 ms

adsuse5.jpg

adsuse5.jpg

1397 ms

adsuse6.jpg

adsuse6.jpg

1370 ms

adsuse7.jpg

adsuse7.jpg

1383 ms

adsuse6.jpg

adsuse6.jpg

1238 ms

news-account-20240717.jpg

news-account-20240717.jpg

1658 ms

news-account-20240102.jpg

news-account-20240102.jpg

1750 ms

news-account-20240228.jpg

news-account-20240228.jpg

1765 ms

beian.png

beian.png

1746 ms

wx_ewm.jpg

wx_ewm.jpg

1845 ms

udeskApi.js

udeskApi.js

703 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2021 ms

jdecard.png

jdecard.png

997 ms

fcagl.js

fcagl.js

2449 ms

hm.js

hm.js

1369 ms

out_config

out_config

1402 ms

aos.js

aos.js

1154 ms

hm.gif

hm.gif

633 ms

index-20240720.jpg

index-20240720.jpg

952 ms

index-20240518.jpg

index-20240518.jpg

1790 ms

index-20240420.jpg

index-20240420.jpg

1068 ms

index-20240319.jpg

index-20240319.jpg

986 ms

index-20240122.jpg

index-20240122.jpg

580 ms

emotion.css

emotion.css

273 ms

key

key

992 ms

190 ms

aaa_1659689625275_vf5ko.png

aaa_1659689625275_vf5ko.png

1092 ms

free

free

287 ms

607 ms

190 ms

aaa_1659687828953_nq8gk.png

aaa_1659687828953_nq8gk.png

827 ms

413 ms

Accessibility Review

zlg.cn accessibility score

75

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

zlg.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zlg.cn SEO score

85

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

    ZH

  • Encoding

    UTF-8

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

zlg.cn

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