Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

520tv.com.tw

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Page Load Speed

14.6 sec in total

First Response

2.5 sec

Resources Loaded

10.9 sec

Page Rendered

1.3 sec

520tv.com.tw screenshot

About Website

Visit 520tv.com.tw now to see the best up-to-date 520 Tv content and also check out these interesting facts you probably never knew about 520tv.com.tw

Visit 520tv.com.tw

Key Findings

We analyzed 520tv.com.tw page load time and found that the first response time was 2.5 sec and then it took 12.2 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

520tv.com.tw performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.066

97/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

520tv.com.tw

2480 ms

AC_RunActiveContent.js

673 ms

3-135x135.jpg

663 ms

3-135x135.jpg

1527 ms

3-135x135.jpg

663 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 67% of them (98 requests) were addressed to the original 520tv.com.tw, 33% (49 requests) were made to 0. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain 520tv.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 286.5 kB (18%)

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of 520tv.com.tw main page is 1.6 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. 40% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 212.6 kB

  • Original 224.7 kB
  • After minification 222.6 kB
  • After compression 12.1 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. 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 212.6 kB or 95% of the original size.

Image Optimization

-5%

Potential reduce by 67.2 kB

  • Original 1.4 MB
  • After minification 1.3 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. 520 Tv images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 6.7 kB

  • Original 8.3 kB
  • After minification 5.2 kB
  • After compression 1.6 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 6.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (9%)

Requests Now

146

After Optimization

133

The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 520 Tv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

520tv.com.tw accessibility score

58

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

520tv.com.tw best practices score

75

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

Serves images with low resolution

SEO Factors

520tv.com.tw SEO score

58

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

    JA

  • Language Claimed

    N/A

  • Encoding

    BIG5

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 520tv.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 520tv.com.tw main page’s claimed encoding is big5. 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

Open Graph description is not detected on the main page of 520 Tv. 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: