Tools & Wizards About Us
viu.tv screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

viu.tv

ViuTV

Page Load Speed

360 ms in total

First Response

15 ms

Resources Loaded

282 ms

Page Rendered

63 ms

viu.tv screenshot

About Website

Click here to check amazing Viu content for Hong Kong. Otherwise, check out these important facts you probably never knew about viu.tv

即時重溫ViuTV最新節目，觀看99台同步直播，熱播內容包括真人實況娛樂、晚吹清談系列、創新實驗電視、自製及外購劇集、動畫、綜藝娛樂、旅遊飲食、生活資訊、新聞財經及兒童節目，24小時為港人提供多元化電視娛樂真選擇。

Visit viu.tv

Key Findings

We analyzed Viu.tv page load time and found that the first response time was 15 ms and then it took 345 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

viu.tv performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value24.8 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,640 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

viu.tv

15 ms

viu.tv

26 ms

js.cookie.min.js

11 ms

aws-sdk.min.js

32 ms

aws-sdk-mobile-analytics.min.js

10 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 75% of them (9 requests) were addressed to the original Viu.tv, 8% (1 request) were made to Fonts.googleapis.com and 8% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (214 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.9 kB (2%)

Content Size

1.9 MB

After Optimization

1.9 MB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Viu.tv main page is 1.9 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. 25% of websites need less resources to load. Javascripts take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-50%

Potential reduce by 1.8 kB

  • Original 3.6 kB
  • After minification 3.6 kB
  • After compression 1.8 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 1.8 kB or 50% of the original size.

JavaScript Optimization

-0%

Potential reduce by 747 B

  • Original 1.9 MB
  • After minification 1.9 MB
  • After compression 1.9 MB

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

-87%

Potential reduce by 41.4 kB

  • Original 47.6 kB
  • After minification 6.2 kB
  • After compression 6.2 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. Viu.tv needs all CSS files to be minified and compressed as it can save up to 41.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (56%)

Requests Now

9

After Optimization

4

  • JavaScript
  • CSS

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

Network Requests Diagram

viu.tv

viu.tv

15 ms

viu.tv

viu.tv

26 ms

js.cookie.min.js

js.cookie.min.js

11 ms

aws-sdk.min.js

aws-sdk.min.js

32 ms

aws-sdk-mobile-analytics.min.js

aws-sdk-mobile-analytics.min.js

10 ms

font-awesome.min.css

font-awesome.min.css

16 ms

css2

css2

129 ms

style.css

style.css

12 ms

vendor.js

vendor.js

162 ms

client.js

client.js

123 ms

gtm.js

gtm.js

214 ms

cognito-identity.us-east-1.amazonaws.com

cognito-identity.us-east-1.amazonaws.com

70 ms

Accessibility Review

viu.tv accessibility score

78

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

Links do not have a discernible name

Best Practices

viu.tv 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

Missing source maps for large first-party JavaScript

SEO Factors

viu.tv SEO score

85

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 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 Viu.tv 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 Viu.tv 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

viu.tv

Open Graph data is detected on the main page of Viu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: