Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

kai-you.net

KAI-YOU(カイユウ)- 世界と遊ぶポップカルチャーメディア

Page Load Speed

7.2 sec in total

First Response

1.4 sec

Resources Loaded

4.3 sec

Page Rendered

1.5 sec

kai-you.net screenshot

About Website

Click here to check amazing KAI YOU content for Japan. Otherwise, check out these important facts you probably never knew about kai-you.net

KAI-YOUは、アニメや漫画、VTuber、音楽、映画、ゲーム、ストリートなどの最新情報をお届けする日本最大級のポップカルチャーメディアです。

Visit kai-you.net

Key Findings

We analyzed Kai-you.net page load time and found that the first response time was 1.4 sec and then it took 5.8 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

kai-you.net performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value4,860 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value31.2 s

0/100

10%

Network Requests Diagram

kai-you.net

1380 ms

font-awesome.min.css

43 ms

swiper.min.css

299 ms

jquery.mCustomScrollbar.min.css

323 ms

style.css

632 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 37% of them (40 requests) were addressed to the original Kai-you.net, 12% (13 requests) were made to Img.kai-you.net and 9% (10 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Kai-you.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (32%)

Content Size

7.5 MB

After Optimization

5.1 MB

In fact, the total size of Kai-you.net main page is 7.5 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. 80% 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 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 460.7 kB

  • Original 549.0 kB
  • After minification 460.9 kB
  • After compression 88.4 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. This page needs HTML code to be minified as it can gain 88.1 kB, which is 16% 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 460.7 kB or 84% of the original size.

Image Optimization

-11%

Potential reduce by 543.2 kB

  • Original 5.0 MB
  • After minification 4.5 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, KAI YOU needs image optimization as it can save up to 543.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 766.4 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 389.5 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 766.4 kB or 66% of the original size.

CSS Optimization

-86%

Potential reduce by 612.2 kB

  • Original 709.3 kB
  • After minification 704.0 kB
  • After compression 97.1 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. Kai-you.net needs all CSS files to be minified and compressed as it can save up to 612.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (43%)

Requests Now

103

After Optimization

59

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KAI YOU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kai-you.net accessibility score

74

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

kai-you.net best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the notification permission on page load

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kai-you.net SEO score

78

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kai-you.net 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 Kai-you.net 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

Open Graph description is not detected on the main page of KAI YOU. 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: