Tools & Wizards About Us
dabai.diytrade.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

dabai.diytrade.com

富士变频器,富士自动化解决方案提供商-大柏电子科技（上海）有限公司

Page Load Speed

38.5 sec in total

First Response

2.2 sec

Resources Loaded

34.9 sec

Page Rendered

1.4 sec

dabai.diytrade.com screenshot

About Website

Welcome to dabai.diytrade.com homepage info - get ready to check Dabai Diytrade best content for China right away, or after learning these important things about dabai.diytrade.com

大柏电子科技（上海）有限公司是一家集富士变频器，维修富士变频器的企业，富士电梯专用变频器，能为客户提供迅捷，优质的富士变频器维修和富士变频器保养。 主要服务有富士变频器，富士变频器报价，富士变频器代理销售等

Visit dabai.diytrade.com

Key Findings

We analyzed Dabai.diytrade.com page load time and found that the first response time was 2.2 sec and then it took 36.3 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. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dabai.diytrade.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.323

35/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

dabai.diytrade.com

2179 ms

jquery-1.10.1.min.js

574 ms

common.js

518 ms

thickbox.js

517 ms

thickbox.css

513 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 11% of them (6 requests) were addressed to the original Dabai.diytrade.com, 43% (23 requests) were made to Tpl.diytrade.com and 19% (10 requests) were made to Res.diytrade.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Db-sh.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.9 kB (55%)

Content Size

421.0 kB

After Optimization

190.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dabai.diytrade.com main page is 421.0 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. 30% of websites need less resources to load. Javascripts take 163.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 39.3 kB

  • Original 47.4 kB
  • After minification 46.0 kB
  • After compression 8.1 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 39.3 kB or 83% of the original size.

Image Optimization

-12%

Potential reduce by 14.1 kB

  • Original 113.8 kB
  • After minification 99.6 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, Dabai Diytrade needs image optimization as it can save up to 14.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 96.0 kB

  • Original 163.1 kB
  • After minification 155.8 kB
  • After compression 67.1 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 96.0 kB or 59% of the original size.

CSS Optimization

-84%

Potential reduce by 81.4 kB

  • Original 96.8 kB
  • After minification 77.3 kB
  • After compression 15.4 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. Dabai.diytrade.com needs all CSS files to be minified and compressed as it can save up to 81.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (45%)

Requests Now

51

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dabai Diytrade. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dabai.diytrade.com

dabai.diytrade.com

2179 ms

jquery-1.10.1.min.js

jquery-1.10.1.min.js

574 ms

common.js

common.js

518 ms

thickbox.js

thickbox.js

517 ms

thickbox.css

thickbox.css

513 ms

jquery.bxslider.css

jquery.bxslider.css

511 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

516 ms

diy-page-editor.css

diy-page-editor.css

541 ms

common_page_css.css

common_page_css.css

542 ms

context.css

context.css

10148 ms

jcarousellite_1.0.1.js

jcarousellite_1.0.1.js

1338 ms

sdp.js

sdp.js

16391 ms

sdp.js

sdp.js

936 ms

imwidget.css

imwidget.css

472 ms

h.png

h.png

4602 ms

dcb4.jpg

dcb4.jpg

1598 ms

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20150423230668856885.jpg

19894 ms

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20140926000654.png

19896 ms

b.png

b.png

1257 ms

t.png

t.png

1472 ms

h.png

h.png

1499 ms

b.png

b.png

1064 ms

t.png

t.png

1629 ms

h.png

h.png

1898 ms

h.png

h.png

2073 ms

sec,5a~2BM5aOr5Y~2BY6aKR5Zmo6aaW6aG1,on,0.png

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2575 ms

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sec,5a~2BM5aOr5Y~2BY6aKR5Zmo5oql5Lu3,off,0.png

2708 ms

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sec,5a~2BM5aOr5Y~2BY6aKR5Zmo5oql5Lu3,on,0.png

2728 ms

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sec,5a~2BM5aOr5Y~2BY6aKR5Zmo5Y~2BC5pWw,off,0.png

2579 ms

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sec,5a~2BM5aOr5Y~2BY6aKR5Zmo5Y~2BC5pWw,on,0.png

2964 ms

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sec,5a~2BM5aOr5Y~2BY6aKR5Zmo5Lqn5ZOB5Lit5b~2BD,off,0.png

3344 ms

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sec,5a~2BM5aOr5Y~2BY6aKR5Zmo5Lqn5ZOB5Lit5b~2BD,on,0.png

3140 ms

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sec,5a~2BM5aOr5Y~2BY6aKR5Zmo5paw6Ze75Lit5b~2BD,off,0.png

4694 ms

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sec,5a~2BM5aOr5Y~2BY6aKR5Zmo5paw6Ze75Lit5b~2BD,on,0.png

3891 ms

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sec,6IGU57O75oiR5Lus,off,0.png

3694 ms

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sec,6IGU57O75oiR5Lus,on,0.png

3960 ms

t.png

t.png

3347 ms

h.png

h.png

4127 ms

t.png

t.png

4446 ms

4a58.jpg

4a58.jpg

1928 ms

62ba.jpg

62ba.jpg

4271 ms

60e3.jpg

60e3.jpg

1994 ms

2ebe.jpg

2ebe.jpg

2125 ms

d5e1.jpg

d5e1.jpg

919 ms

ChinaBestPrice-ad-2.jpg

ChinaBestPrice-ad-2.jpg

26 ms

b.png

b.png

1007 ms

analytics.js

analytics.js

51 ms

atrk.js

atrk.js

115 ms

generator.php

generator.php

269 ms

loadingAnimation.gif

loadingAnimation.gif

798 ms

collect

collect

28 ms

atrk.gif

atrk.gif

92 ms

test.png

test.png

36 ms

button_11.gif

button_11.gif

574 ms

Accessibility Review

dabai.diytrade.com accessibility score

60

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 valid value for its [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

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

dabai.diytrade.com 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

dabai.diytrade.com SEO score

74

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

High

Tap targets are not sized appropriately

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 Dabai.diytrade.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 Dabai.diytrade.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

dabai.diytrade.com

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