Access koukasound.com. 著作権フリー音素材の投稿販売

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

koukasound.com

1805 ms

style_imagehover.css

572 ms

style_jplayer.css

577 ms

style_jquery-ui.css

758 ms

stylesheet.css

815 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 80% of them (99 requests) were addressed to the original Koukasound.com, 3% (4 requests) were made to F.vimeocdn.com and 3% (4 requests) were made to Static.affiliate.rakuten.co.jp. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Koukasound.com.

Content Size

2.1 MB

After Optimization

684.7 kB

In fact, the total size of Koukasound.com main page is 2.1 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. 55% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 42.4 kB

Original 52.0 kB
After minification 47.4 kB
After compression 9.6 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 42.4 kB or 81% of the original size.

Image Optimization

-40%

Potential reduce by 223.1 kB

Original 557.0 kB
After minification 333.9 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. Obviously, Kouka Sound needs image optimization as it can save up to 223.1 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 832.9 kB

Original 1.1 MB
After minification 971.5 kB
After compression 300.5 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 832.9 kB or 73% of the original size.

CSS Optimization

-89%

Potential reduce by 313.3 kB

Original 354.0 kB
After minification 315.1 kB
After compression 40.7 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. Koukasound.com needs all CSS files to be minified and compressed as it can save up to 313.3 kB or 89% of the original size.

Requests Now

122

After Optimization

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kouka Sound. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

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

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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 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 Koukasound.com 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 Koukasound.com 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

koukasound.com

Open Graph description is not detected on the main page of Kouka Sound. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

著作権フリー音素材の投稿販売 – KoukaSound

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)

Network Requests Diagram

koukasound.com

style_imagehover.css

style_jplayer.css

style_jquery-ui.css

stylesheet.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

koukasound.com

style_imagehover.css

style_jplayer.css

style_jquery-ui.css

stylesheet.css

stylesheet.css.20130901.css

stylesheet_css_buttons.css

stylesheet_zentagcloud.css

jscript_imagehover.js

jscript_jquery1.js

jscript_jquery2.jplayer.min.js

jscript_jquery3-ui.js

jscript_init_jplayer.js

googleanalytics_outgoing.js

highslide.js

rakuten_widget.js

1024-1201243690-3.gif

body_bg.gif

logo.gif

img_for_beginner.gif

img_creater_login.gif

img_user_login.gif

search_header_button.gif

spacer.gif

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411d2027ed556c47c503af86e0bd8c8a.gif

live.fw_.png

RX4.fw_.png

protools.fw_.png

hd_pickup.gif

8f85f30b129d1d9c3e7326e6ecf9cbdb.jpg

2bc19748c456ef4d7644fbfb5e3d7687.jpg

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hd_special.gif

tt.php

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