Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

kotoko.asia

KOTOKO OFFICIAL SITE

Page Load Speed

11.5 sec in total

First Response

3 sec

Resources Loaded

8.4 sec

Page Rendered

172 ms

kotoko.asia screenshot

About Website

Visit kotoko.asia now to see the best up-to-date KOTOKO content for Japan and also check out these interesting facts you probably never knew about kotoko.asia

海外でのライブ、自身で作詞作曲をするなど音楽活動を勢力的に行っているKOTOKO。パワフル且つキュートなパフォーマンスを見せてくれるKOTOKOの活動をみんなで盛り上げよう!

Visit kotoko.asia

Key Findings

We analyzed Kotoko.asia page load time and found that the first response time was 3 sec and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

kotoko.asia performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value8.1 s

20/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.207

60/100

15%

TTI (Time to Interactive)

Value7.1 s

51/100

10%

Network Requests Diagram

www.kotoko.asia

2955 ms

style.css

706 ms

mem.css

370 ms

callmovie.js

373 ms

anythingslider.css

392 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 90% of them (54 requests) were addressed to the original Kotoko.asia, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Api.twitter.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Kotoko.asia.

Page Optimization Overview & Recommendations

Page size can be reduced by 358.4 kB (42%)

Content Size

853.0 kB

After Optimization

494.6 kB

In fact, the total size of Kotoko.asia main page is 853.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 423.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 54.4 kB

  • Original 72.7 kB
  • After minification 70.5 kB
  • After compression 18.3 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 54.4 kB or 75% of the original size.

Image Optimization

-10%

Potential reduce by 42.9 kB

  • Original 423.9 kB
  • After minification 380.9 kB

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. KOTOKO images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 179.1 kB

  • Original 261.5 kB
  • After minification 231.7 kB
  • After compression 82.5 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 179.1 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 82.0 kB

  • Original 94.9 kB
  • After minification 69.8 kB
  • After compression 12.9 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. Kotoko.asia needs all CSS files to be minified and compressed as it can save up to 82.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (43%)

Requests Now

56

After Optimization

32

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KOTOKO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kotoko.asia accessibility score

90

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.

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

kotoko.asia 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

Page has valid source maps

SEO Factors

kotoko.asia SEO score

98

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kotoko.asia 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 Kotoko.asia 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 KOTOKO. 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: