Tools & Wizards About Us
esuntech.com.cn screenshot

Report Summary

  • 0

    Performance

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

esuntech.com.cn

piezo buzzer,ultrasonic sensor,loudspeaker,SMD buzzer – Esuntech Co.,Ltd.

Page Load Speed

2 sec in total

First Response

338 ms

Resources Loaded

1.3 sec

Page Rendered

363 ms

esuntech.com.cn screenshot

About Website

Visit esuntech.com.cn now to see the best up-to-date Esuntech content and also check out these interesting facts you probably never knew about esuntech.com.cn

Changzhou Esuntech Co.,Ltd. is a professional leader China Buzzer , Transducer, Ultrasonic Sensor manufacturer with high quality and reasonable price. Welcome to contact us.

Visit esuntech.com.cn

Key Findings

We analyzed Esuntech.com.cn page load time and found that the first response time was 338 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

esuntech.com.cn performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.063

2/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

www.esuntech.com.cn

338 ms

graphic.css

106 ms

button.css

87 ms

style.css

116 ms

moklKBrrlqSRijjllmSRiijlkiljSRjiqiljpiSRrjljlrpikipkjrSRqikiilopjprrRrrSSRZjnAqqrllnm.css

44 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Esuntech.com.cn, 64% (16 requests) were made to Imrorwxhijjllm5q.ldycdn.com and 20% (5 requests) were made to Rprorwxhijjllm5q.ldycdn.com. The less responsive or slowest element that took the longest time to load (383 ms) relates to the external source Imrorwxhijjllm5q.ldycdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 217.4 kB (14%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images

In fact, the total size of Esuntech.com.cn main page is 1.6 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. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 204.5 kB

  • Original 239.7 kB
  • After minification 239.7 kB
  • After compression 35.2 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 204.5 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 12.9 kB

  • Original 1.3 MB
  • After minification 1.3 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. Esuntech images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 3 (13%)

Requests Now

24

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esuntech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.esuntech.com.cn

www.esuntech.com.cn

338 ms

graphic.css

graphic.css

106 ms

button.css

button.css

87 ms

style.css

style.css

116 ms

moklKBrrlqSRijjllmSRiijlkiljSRjiqiljpiSRrjljlrpikipkjrSRqikiilopjprrRrrSSRZjnAqqrllnm.css

moklKBrrlqSRijjllmSRiijlkiljSRjiqiljpiSRrjljlrpikipkjrSRqikiilopjprrRrrSSRZjnAqqrllnm.css

44 ms

jquery-1.11.0.concat.js

jquery-1.11.0.concat.js

166 ms

phoenix_il8n_EN_US.js

phoenix_il8n_EN_US.js

96 ms

style04.js

style04.js

123 ms

logo.jpg

logo.jpg

98 ms

lazyload-loading.gif

lazyload-loading.gif

55 ms

lazyload-loading.gif

lazyload-loading.gif

71 ms

lazyloading.png

lazyloading.png

47 ms

line.png

line.png

124 ms

banner.jpg

banner.jpg

230 ms

about.png

about.png

127 ms

greyline.png

greyline.png

106 ms

lazyload-loading.gif

lazyload-loading.gif

69 ms

contactbg_02.png

contactbg_02.png

383 ms

555.jpg

555.jpg

236 ms

2222.jpg

2222.jpg

280 ms

4553553_6.jpg

4553553_6.jpg

254 ms

lazyloading.png

lazyloading.png

187 ms

bottombg.png

bottombg.png

303 ms

QRCODE.png

QRCODE.png

333 ms

lazyloading.png

lazyloading.png

69 ms

Accessibility Review

esuntech.com.cn accessibility score

79

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

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

esuntech.com.cn best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

esuntech.com.cn SEO score

86

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

Links do not have descriptive text

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

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 Esuntech.com.cn 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 Esuntech.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

esuntech.com.cn

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