Access sky-a.co.jp. スカイＡ｜CS放送のスポーツチャンネル

Report Summary

About Website

Visit sky-a.co.jp now to see the best up-to-date Sky A content for Japan and also check out these interesting facts you probably never knew about sky-a.co.jp

プロ野球（阪神タイガース主催の公式戦、オープン戦、ファーム戦）や大学野球、夏の高校野球、ゴルフ、スポーツクライミング、アメリカンフットボールなど豊富なスポーツ番組を重点的に放送しています。さらに釣りや落語、また探偵！ナイトスクープなどの人気番組も彩りを添えています。

Visit sky-a.co.jp

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value20.1 s

0/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value820 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

sky-a.co.jp

545 ms

sky-a.asahi.co.jp

1185 ms

common.css

508 ms

swiper.css

661 ms

top.css

827 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sky-a.co.jp, 74% (87 requests) were made to Sky-a.asahi.co.jp and 9% (11 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (6.1 sec) relates to the external source Sky-a.asahi.co.jp.

Content Size

9.4 MB

After Optimization

7.5 MB

In fact, the total size of Sky-a.co.jp main page is 9.4 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. 60% of websites need less resources to load. Images take 8.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 51.3 kB

Original 63.1 kB
After minification 52.5 kB
After compression 11.7 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 10.5 kB, which is 17% 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 51.3 kB or 81% of the original size.

Image Optimization

-17%

Potential reduce by 1.5 MB

Original 8.7 MB
After minification 7.3 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. Obviously, Sky A needs image optimization as it can save up to 1.5 MB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 284.8 kB

Original 485.6 kB
After minification 483.2 kB
After compression 200.8 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 284.8 kB or 59% of the original size.

CSS Optimization

-85%

Potential reduce by 119.2 kB

Original 140.4 kB
After minification 108.6 kB
After compression 21.2 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. Sky-a.co.jp needs all CSS files to be minified and compressed as it can save up to 119.2 kB or 85% of the original size.

Requests Now

113

After Optimization

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sky A. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

JA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sky-a.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 Sky-a.co.jp 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

sky-a.co.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

スカイＡ｜CS放送のスポーツチャンネル

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)