Report Summary

  • 7

    Performance

    Renders faster than
    21% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 73% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 99

    SEO

    Google-friendlier than
    94% of websites

tv-osaka.co.jp

TVO テレビ大阪 | デジタルは7チャンネル

Page Load Speed

6.2 sec in total

First Response

367 ms

Resources Loaded

5.6 sec

Page Rendered

277 ms

tv-osaka.co.jp screenshot

About Website

Welcome to tv-osaka.co.jp homepage info - get ready to check TVO Saka best content for Japan right away, or after learning these important things about tv-osaka.co.jp

TVO テレビ大阪。テレビ東京系列局。番組案内、動画、映画、アナウンサー日記、イベント紹介、プレゼント、グッズ販売。

Visit tv-osaka.co.jp

Key Findings

We analyzed Tv-osaka.co.jp page load time and found that the first response time was 367 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tv-osaka.co.jp performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value22.1 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value1,980 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.595

11/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

tv-osaka.co.jp

367 ms

www.tv-osaka.co.jp

681 ms

index.css

365 ms

btn_program_off.gif

26 ms

btn_search.gif

27 ms

Our browser made a total of 164 requests to load all elements on the main page. We found that 2% of them (4 requests) were addressed to the original Tv-osaka.co.jp, 90% (148 requests) were made to Dm17bquiori2j.cloudfront.net and 2% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Dm17bquiori2j.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (44%)

Content Size

3.0 MB

After Optimization

1.7 MB

In fact, the total size of Tv-osaka.co.jp main page is 3.0 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 84.3 kB

  • Original 103.1 kB
  • After minification 82.2 kB
  • After compression 18.8 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. This page needs HTML code to be minified as it can gain 20.9 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 84.3 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 77.9 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. TVO Saka images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 1.0 MB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 280.6 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 1.0 MB or 78% of the original size.

CSS Optimization

-80%

Potential reduce by 131.9 kB

  • Original 164.2 kB
  • After minification 143.4 kB
  • After compression 32.3 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. Tv-osaka.co.jp needs all CSS files to be minified and compressed as it can save up to 131.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (25%)

Requests Now

160

After Optimization

120

The browser has sent 160 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TVO Saka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tv-osaka.co.jp accessibility score

89

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

Best Practices

tv-osaka.co.jp 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

SEO Factors

tv-osaka.co.jp SEO score

99

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tv-osaka.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Tv-osaka.co.jp main page’s claimed encoding is shift_jis. 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 TVO Saka. 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: