Tools & Wizards About Us
020power.net screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

020power.net

开关电源模块_dc-dc电源模块_裸板电源-广州能达电源技术有限公司

Page Load Speed

24.4 sec in total

First Response

736 ms

Resources Loaded

23.1 sec

Page Rendered

474 ms

020power.net screenshot

About Website

Click here to check amazing 020 Power content. Otherwise, check out these important facts you probably never knew about 020power.net

广州能达电源是专业从事电源模块,模块电源,dc-dc电源模块,开关电源,B0505S-1W,B0505S-1WR2,ac-dc裸板电源的研发、生产的民营技术型企业,咨询热线:13312816248

Visit 020power.net

Key Findings

We analyzed 020power.net page load time and found that the first response time was 736 ms and then it took 23.6 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

020power.net performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

020power.net

736 ms

www.020power.net

765 ms

style.css

250 ms

jquery-1.7.2.min.js

728 ms

pic_auto.js

484 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 91% of them (53 requests) were addressed to the original 020power.net, 3% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to Stats.chuangli.net. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Stats.chuangli.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.7 kB (5%)

Content Size

2.5 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 020power.net main page is 2.5 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. 60% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 39.2 kB

  • Original 46.3 kB
  • After minification 33.3 kB
  • After compression 7.1 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. This page needs HTML code to be minified as it can gain 13.0 kB, which is 28% 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 39.2 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 60.3 kB

  • Original 2.2 MB
  • After minification 2.2 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. 020 Power images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 9.2 kB

  • Original 206.2 kB
  • After minification 206.2 kB
  • After compression 197.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-27%

Potential reduce by 5.0 kB

  • Original 18.7 kB
  • After minification 18.7 kB
  • After compression 13.7 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. 020power.net needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (12%)

Requests Now

52

After Optimization

46

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 020 Power. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

020power.net

020power.net

736 ms

www.020power.net

www.020power.net

765 ms

style.css

style.css

250 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

728 ms

pic_auto.js

pic_auto.js

484 ms

js.js

js.js

485 ms

MSClass.js

MSClass.js

488 ms

jcarousellite_1.0.1.js

jcarousellite_1.0.1.js

490 ms

banner6.js

banner6.js

491 ms

724 ms

hm.js

hm.js

1168 ms

bot-topbg.jpg

bot-topbg.jpg

488 ms

7349504171ea33a56cce40628e0e36c5.png

7349504171ea33a56cce40628e0e36c5.png

247 ms

dianhua.png

dianhua.png

245 ms

dfd61e6be92325f76abf2fac202741cf.jpg

dfd61e6be92325f76abf2fac202741cf.jpg

1227 ms

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89993aacf374fb0100db462e06dcb8b7.jpg

1210 ms

e045f9f9be1f1a5e89003a097cde107a.jpg

e045f9f9be1f1a5e89003a097cde107a.jpg

1208 ms

097e7c5e53fe0c064f1fe89ffa9488bd.jpg

097e7c5e53fe0c064f1fe89ffa9488bd.jpg

1215 ms

e6b7a243a56fc1ccfdd91ad36de52179.jpg

e6b7a243a56fc1ccfdd91ad36de52179.jpg

1214 ms

acdc.gif

acdc.gif

972 ms

dcdc.gif

dcdc.gif

1215 ms

gysrsc.gif

gysrsc.gif

1449 ms

lbdy.gif

lbdy.gif

1452 ms

f1c4513dd4df7e1ce5cb0e805a012191.jpg

f1c4513dd4df7e1ce5cb0e805a012191.jpg

1456 ms

b873a2ce13116f4a125c47da979aff38.jpg

b873a2ce13116f4a125c47da979aff38.jpg

1701 ms

352530327317ae9b6a9f93feb599d061.jpg

352530327317ae9b6a9f93feb599d061.jpg

1457 ms

84a5119ff14f73ae35176f0dc2212321.jpg

84a5119ff14f73ae35176f0dc2212321.jpg

1471 ms

7d71f227317700c33ad5eaafb2eceb30.jpg

7d71f227317700c33ad5eaafb2eceb30.jpg

1690 ms

afc026a3dcc99c0a6c5de88cfeb22421.jpg

afc026a3dcc99c0a6c5de88cfeb22421.jpg

1693 ms

0eeac7a53c5163ffa2f904f13a2ba9af.jpg

0eeac7a53c5163ffa2f904f13a2ba9af.jpg

1697 ms

6365029af03357742f8c7464c019d111.jpg

6365029af03357742f8c7464c019d111.jpg

1700 ms

about.jpg

about.jpg

3669 ms

1683701092729578.png

1683701092729578.png

1935 ms

1684314871710361.png

1684314871710361.png

4142 ms

cxt.png

cxt.png

3370 ms

tbao.png

tbao.png

3130 ms

title.png

title.png

3306 ms

dhua2.png

dhua2.png

2090 ms

pro-bg.jpg

pro-bg.jpg

2333 ms

icon.png

icon.png

2573 ms

icon2.png

icon2.png

2815 ms

abtbgg.jpg

abtbgg.jpg

3298 ms

title2.png

title2.png

3286 ms

abt.png

abt.png

3525 ms

ack.png

ack.png

3529 ms

moreBg.png

moreBg.png

3539 ms

qhhuanBg.png

qhhuanBg.png

3548 ms

sd.png

sd.png

3612 ms

moreBg2.png

moreBg2.png

3614 ms

b-w.png

b-w.png

3384 ms

b-d.png

b-d.png

2909 ms

piwik.js

piwik.js

19761 ms

hm.gif

hm.gif

964 ms

b.js

b.js

1805 ms

yqlj1.png

yqlj1.png

2710 ms

jl-icon.png

jl-icon.png

2890 ms

nav-se.png

nav-se.png

2891 ms

affim.js

affim.js

2969 ms

Accessibility Review

020power.net accessibility score

51

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

020power.net 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

SEO Factors

020power.net SEO score

58

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

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 020power.net 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 020power.net 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

020power.net

Open Graph description is not detected on the main page of 020 Power. 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: