Tools & Wizards About Us
gzngn.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

gzngn.com

工业级光纤收发器_工业交换机_光纤交换机_光电转换器_电话光端机_工业4G路由器_PCM复用设备_光模块-光桥通信

Page Load Speed

51.4 sec in total

First Response

17.5 sec

Resources Loaded

33.8 sec

Page Rendered

155 ms

gzngn.com screenshot

About Website

Click here to check amazing Gzngn content. Otherwise, check out these important facts you probably never knew about gzngn.com

广州光桥通信设备有限公司是一家研发、生产、销售和服务为一体的高新技术企业，产品有光纤交换机、工业交换机、以太网交换机、光纤收发器、电话光端机、光电转换器、光端机、光模块、工业4G路由器、PCM复用设备、RS485光端机、协议转换器、PDH光端机、音频光端机等等，是一家有着十几年高品质通信产品制造经验的供应商和应用解决方案服务商。

Visit gzngn.com

Key Findings

We analyzed Gzngn.com page load time and found that the first response time was 17.5 sec and then it took 33.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

gzngn.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.469

18/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

gzngn.com

17541 ms

logo-t.gif

15519 ms

cn.gif

3720 ms

en.gif

4400 ms

table.html

9201 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 42% of them (16 requests) were addressed to the original Gzngn.com, 13% (5 requests) were made to Ckmap.mediav.com and 11% (4 requests) were made to Qiao.baidu.com. The less responsive or slowest element that took the longest time to load (17.5 sec) belongs to the original domain Gzngn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.4 kB (84%)

Content Size

68.6 kB

After Optimization

11.2 kB

  • HTML
  • CSS

In fact, the total size of Gzngn.com main page is 68.6 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. 15% of websites need less resources to load. HTML takes 47.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 39.8 kB

  • Original 47.5 kB
  • After minification 40.7 kB
  • After compression 7.7 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. This page needs HTML code to be minified as it can gain 6.7 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.8 kB or 84% of the original size.

CSS Optimization

-83%

Potential reduce by 17.6 kB

  • Original 21.1 kB
  • After minification 14.6 kB
  • After compression 3.5 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. Gzngn.com needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (72%)

Requests Now

36

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gzngn. 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

gzngn.com

gzngn.com

17541 ms

logo-t.gif

logo-t.gif

15519 ms

cn.gif

cn.gif

3720 ms

en.gif

en.gif

4400 ms

table.html

table.html

9201 ms

t4.jpg

t4.jpg

7741 ms

t1.gif

t1.gif

11526 ms

more1.gif

more1.gif

4412 ms

an001.gif

an001.gif

12725 ms

tiao1.gif

tiao1.gif

8124 ms

quan5.gif

quan5.gif

5653 ms

dot2.gif

dot2.gif

405 ms

arre.gif

arre.gif

612 ms

t1.jpg

t1.jpg

10937 ms

t3.jpg

t3.jpg

6651 ms

t2.jpg

t2.jpg

6167 ms

h.js

h.js

571 ms

conversion_js.php

conversion_js.php

1382 ms

b.js

b.js

597 ms

mvl.js

mvl.js

508 ms

hm.gif

hm.gif

331 ms

mba.js

mba.js

1006 ms

mv.js

mv.js

238 ms

bsl.js

bsl.js

2038 ms

b

b

3157 ms

t

t

6072 ms

t

t

2749 ms

Enter.php

Enter.php

606 ms

main_icon_invite_mess_api.js

main_icon_invite_mess_api.js

12934 ms

main.css

main.css

862 ms

fix.css

fix.css

1108 ms

version.js

version.js

1123 ms

ckmap.htm

ckmap.htm

1109 ms

cm.gif

cm.gif

765 ms

m

m

2172 ms

m

m

2530 ms

m

m

444 ms

m

m

2763 ms

Accessibility Review

gzngn.com accessibility score

64

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

Form elements do not have associated labels

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

gzngn.com 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

gzngn.com SEO score

89

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gzngn.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 Gzngn.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

gzngn.com

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