Tools & Wizards About Us
viu.tv screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

viu.tv

ViuTV

Page Load Speed

14 sec in total

First Response

728 ms

Resources Loaded

10.6 sec

Page Rendered

2.7 sec

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 728 ms and then it took 13.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

viu.tv performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value32.0 s

0/100

25%

SI (Speed Index)

Value18.9 s

0/100

10%

TBT (Total Blocking Time)

Value3,630 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.135

80/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

Network Requests Diagram

viu.tv

728 ms

wp-emoji-release.min.js

677 ms

reset.css

459 ms

bootstrap.css

1127 ms

bootstrap-responsive.css

672 ms

Our browser made a total of 175 requests to load all elements on the main page. We found that 78% of them (136 requests) were addressed to the original Viu.tv, 15% (26 requests) were made to Assets.viu.tv and 2% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Viu.tv.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.1 MB (22%)

Content Size

18.8 MB

After Optimization

14.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Viu.tv main page is 18.8 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 16.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 98.1 kB

  • Original 121.5 kB
  • After minification 113.1 kB
  • After compression 23.4 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 98.1 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 2.7 MB

  • Original 16.9 MB
  • After minification 14.2 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. Obviously, Viu needs image optimization as it can save up to 2.7 MB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 822.7 kB

  • Original 1.1 MB
  • After minification 905.9 kB
  • After compression 289.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 822.7 kB or 74% of the original size.

CSS Optimization

-86%

Potential reduce by 571.3 kB

  • Original 664.3 kB
  • After minification 515.8 kB
  • After compression 93.0 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 571.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 130 (75%)

Requests Now

174

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 174 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 82 to 1 for JavaScripts and from 45 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

viu.tv

viu.tv

728 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

677 ms

reset.css

reset.css

459 ms

bootstrap.css

bootstrap.css

1127 ms

bootstrap-responsive.css

bootstrap-responsive.css

672 ms

entypo-icon-font.css

entypo-icon-font.css

689 ms

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isotope.css

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924 ms

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common.css

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10 ms

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viuTv_Sch_sil_ph_M_new_A.jpg

19 ms

viuTv_Sch_sil_ph_M_new_B.jpg

viuTv_Sch_sil_ph_M_new_B.jpg

10 ms

viuTv_Sch_sil_ph_M_kids_A.jpg

viuTv_Sch_sil_ph_M_kids_A.jpg

1798 ms

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86 ms

Keyart3-02.jpg

Keyart3-02.jpg

67 ms

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126 ms

Accessibility Review

viu.tv accessibility score

83

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

77

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

High

robots.txt is not valid

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

    ZH

  • 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 it matches the claimed language. 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: