Tools & Wizards About Us
esd-china.com screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

esd-china.com

静电信息网(ESD-china)-提供静电放电(ESD) 静电测量 各种静电防护解决方案

Page Load Speed

4.8 sec in total

First Response

1.1 sec

Resources Loaded

3.3 sec

Page Rendered

315 ms

esd-china.com screenshot

About Website

Welcome to esd-china.com homepage info - get ready to check ESD China best content right away, or after learning these important things about esd-china.com

静电信息网提供静电放电(ESD) 静电测量 各种静电防护解决方案 静电培训

Visit esd-china.com

Key Findings

We analyzed Esd-china.com page load time and found that the first response time was 1.1 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

esd-china.com performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.389

26/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

esd-china.com

1148 ms

netbkgnd.gif

662 ms

11s.gif

1759 ms

right.7.jpg

890 ms

22s.gif

1763 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Esd-china.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Esd-china.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.3 kB (31%)

Content Size

176.6 kB

After Optimization

122.3 kB

  • HTML
  • Images

In fact, the total size of Esd-china.com main page is 176.6 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. 25% of websites need less resources to load. Images take 118.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 46.8 kB

  • Original 57.7 kB
  • After minification 55.5 kB
  • After compression 10.9 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 46.8 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 7.4 kB

  • Original 118.9 kB
  • After minification 111.4 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. ESD China images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

32

After Optimization

32

  • AJAX
  • Images

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ESD China. According to our analytics all requests are already optimized.

Network Requests Diagram

esd-china.com

esd-china.com

1148 ms

netbkgnd.gif

netbkgnd.gif

662 ms

11s.gif

11s.gif

1759 ms

right.7.jpg

right.7.jpg

890 ms

22s.gif

22s.gif

1763 ms

est121.gif

est121.gif

467 ms

image001.gif

image001.gif

651 ms

image003.gif

image003.gif

676 ms

image005.gif

image005.gif

870 ms

gb.gif

gb.gif

879 ms

image002.gif

image002.gif

895 ms

arrowblueright1.GIF

arrowblueright1.GIF

874 ms

EST1012.gif

EST1012.gif

1316 ms

1597808527.jpg

1597808527.jpg

1110 ms

anetbul1.gif

anetbul1.gif

899 ms

%E9%98%BF%E9%87%8C%E6%97%BA%E6%97%BA%E5%9B%BE%E7%89%8720191128171106.jpg

%E9%98%BF%E9%87%8C%E6%97%BA%E6%97%BA%E5%9B%BE%E7%89%8720191128171106.jpg

1094 ms

%E9%98%BF%E9%87%8C%E6%97%BA%E6%97%BA%E5%9B%BE%E7%89%8720191128172910.jpg

%E9%98%BF%E9%87%8C%E6%97%BA%E6%97%BA%E5%9B%BE%E7%89%8720191128172910.jpg

1119 ms

index.2.jpg

index.2.jpg

1313 ms

index.1.jpg

index.1.jpg

1545 ms

index.11.jpg

index.11.jpg

1337 ms

%E9%98%BF%E9%87%8C%E6%97%BA%E6%97%BA%E5%9B%BE%E7%89%8720191128171305.jpg

%E9%98%BF%E9%87%8C%E6%97%BA%E6%97%BA%E5%9B%BE%E7%89%8720191128171305.jpg

1289 ms

index.3.jpg

index.3.jpg

1290 ms

index.1.jpg

index.1.jpg

1313 ms

index.2.jpg

index.2.jpg

1508 ms

index.1.gif

index.1.gif

1507 ms

index.9.jpg

index.9.jpg

1517 ms

index.8.jpg

index.8.jpg

1519 ms

index.4.jpg

index.4.jpg

1521 ms

11s.gif

11s.gif

2186 ms

index.3.jpg

index.3.jpg

1725 ms

22s.gif

22s.gif

2163 ms

lcp.gif

lcp.gif

1733 ms

test.gif

test.gif

1735 ms

Accessibility Review

esd-china.com accessibility score

46

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.

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

esd-china.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

esd-china.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esd-china.com 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 Esd-china.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

esd-china.com

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