Tools & Wizards About Us
power-supply.tw screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

power-supply.tw

Get Quality DC Power Supply for All Electronic Appliances

Page Load Speed

5.4 sec in total

First Response

2 sec

Resources Loaded

3.4 sec

Page Rendered

121 ms

power-supply.tw screenshot

About Website

Welcome to power-supply.tw homepage info - get ready to check Power Supply best content for Russia right away, or after learning these important things about power-supply.tw

Power adapters now become a necessity. Let us help you find the highest quality DC power supply units for every electronic appliance you use.

Visit power-supply.tw

Key Findings

We analyzed Power-supply.tw page load time and found that the first response time was 2 sec and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

power-supply.tw performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

Network Requests Diagram

power-supply.tw

1961 ms

e_star.css

390 ms

mm_menu.js

968 ms

ystat.js

44 ms

logo.jpg

402 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 82% of them (14 requests) were addressed to the original Power-supply.tw, 12% (2 requests) were made to Google-analytics.com and 6% (1 request) were made to Tw.js.webmaster.yahoo.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Power-supply.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.5 kB (46%)

Content Size

150.0 kB

After Optimization

81.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Power-supply.tw main page is 150.0 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. Only 10% of websites need less resources to load. Images take 52.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 43.0 kB

  • Original 49.4 kB
  • After minification 44.9 kB
  • After compression 6.4 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 43.0 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 129 B

  • Original 52.2 kB
  • After minification 52.1 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. Power Supply images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 25.0 kB

  • Original 47.9 kB
  • After minification 42.1 kB
  • After compression 22.9 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 25.0 kB or 52% of the original size.

CSS Optimization

-62%

Potential reduce by 340 B

  • Original 548 B
  • After minification 361 B
  • After compression 208 B

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. Power-supply.tw needs all CSS files to be minified and compressed as it can save up to 340 B or 62% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Power Supply. According to our analytics all requests are already optimized.

Network Requests Diagram

power-supply.tw

power-supply.tw

1961 ms

e_star.css

e_star.css

390 ms

mm_menu.js

mm_menu.js

968 ms

ystat.js

ystat.js

44 ms

logo.jpg

logo.jpg

402 ms

power_supply.jpg

power_supply.jpg

195 ms

white_line.gif

white_line.gif

204 ms

gray_line.gif

gray_line.gif

388 ms

profile.jpg

profile.jpg

388 ms

DSA-5CAA-05.jpg

DSA-5CAA-05.jpg

617 ms

travel_PA1045-HIB.jpg

travel_PA1045-HIB.jpg

613 ms

travel_PA1060-IB.jpg

travel_PA1060-IB.jpg

400 ms

travel_PA1090-IB.jpg

travel_PA1090-IB.jpg

596 ms

ga.js

ga.js

15 ms

arrows.gif

arrows.gif

582 ms

logo_bkg.jpg

logo_bkg.jpg

582 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

power-supply.tw accessibility score

61

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

Best Practices

power-supply.tw best practices score

58

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

power-supply.tw SEO score

71

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    ZH

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Power-supply.tw can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Power-supply.tw main page’s claimed encoding is iso-8859-1. 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

power-supply.tw

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