Tools & Wizards About Us

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

v-sky.com.tw

招牌設計 | 定宇廣告設計

Page Load Speed

19.1 sec in total

First Response

599 ms

Resources Loaded

18 sec

Page Rendered

502 ms

About Website

Click here to check amazing V Sky content. Otherwise, check out these important facts you probably never knew about v-sky.com.tw

定宇廣告科技有限公司專業提供招牌,招牌設計,廣告招牌,Led招牌,專業廣告設計,電視牆廣告,LED廣告工程,字幕,招牌製作,廣告招牌製作等服務，除LED招牌以外，我們還可以根據您的需求進行客製化的招牌設計哦~讓我們的團隊為您打造高格調、提昇企業形象 、為您帶來更多的商機。

Visit v-sky.com.tw

Key Findings

We analyzed V-sky.com.tw page load time and found that the first response time was 599 ms and then it took 18.5 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.

Performance Metrics

v-sky.com.tw performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.92

3/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

v-sky.com.tw

599 ms

v-sky.com.tw

811 ms

jquery-1.11.2.min.js

973 ms

bootstrap.min.css

780 ms

bootstrap-theme.css

583 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 96% of them (93 requests) were addressed to the original V-sky.com.tw, 3% (3 requests) were made to Youtube.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (7.8 sec) belongs to the original domain V-sky.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.9 kB (3%)

Content Size

4.2 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of V-sky.com.tw main page is 4.2 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. 50% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 9.9 kB

  • Original 13.4 kB
  • After minification 12.3 kB
  • After compression 3.4 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 9.9 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 78.0 kB

  • Original 4.1 MB
  • After minification 4.0 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. V Sky images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 3.6 kB

  • Original 55.4 kB
  • After minification 55.4 kB
  • After compression 51.8 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

-34%

Potential reduce by 24.3 kB

  • Original 71.1 kB
  • After minification 71.1 kB
  • After compression 46.8 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. V-sky.com.tw needs all CSS files to be minified and compressed as it can save up to 24.3 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (16%)

Requests Now

91

After Optimization

76

  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of V Sky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

v-sky.com.tw accessibility score

52

Accessibility Issues

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

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

v-sky.com.tw 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

High

Page has valid source maps

SEO Factors

v-sky.com.tw SEO score

92

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

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise V-sky.com.tw 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 V-sky.com.tw 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

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