Access academia-music.com. アカデミアミュージック / 輸入楽譜の専門店 TOP

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.162

72/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

academia-music.com

550 ms

www.academia-music.com

1725 ms

style.css

908 ms

convert.js

924 ms

NavicastApi.js

1049 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 85% of them (100 requests) were addressed to the original Academia-music.com, 5% (6 requests) were made to Google.com and 3% (4 requests) were made to Navicast.jp. The less responsive or slowest element that took the longest time to load (5 sec) belongs to the original domain Academia-music.com.

Content Size

933.7 kB

After Optimization

708.9 kB

In fact, the total size of Academia-music.com main page is 933.7 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. 50% of websites need less resources to load. Images take 798.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 40.2 kB

Original 49.1 kB
After minification 45.5 kB
After compression 8.9 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 40.2 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 126.2 kB

Original 798.2 kB
After minification 672.0 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, Academia Music needs image optimization as it can save up to 126.2 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 32.0 kB

Original 55.6 kB
After minification 37.2 kB
After compression 23.6 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 32.0 kB or 58% of the original size.

CSS Optimization

-86%

Potential reduce by 26.4 kB

Original 30.8 kB
After minification 24.9 kB
After compression 4.4 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. Academia-music.com needs all CSS files to be minified and compressed as it can save up to 26.4 kB or 86% 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 Academia Music. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

N/A
Encoding

EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Academia-music.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Academia-music.com main page’s claimed encoding is euc-jp. 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

academia-music.com

Open Graph description is not detected on the main page of Academia Music. 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

アカデミアミュージック / 輸入楽譜の専門店 TOP

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

academia-music.com

www.academia-music.com

style.css

convert.js

NavicastApi.js

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

academia-music.com

www.academia-music.com

style.css

convert.js

NavicastApi.js

cse.js

bg_score.gif

new.php

space.gif

top_logo1.jpg

top_logo2.jpg

title_logo2b.jpg

top_menu1.jpg

top_menu2.jpg

top_menu3.jpg

top4_menu1.jpg

top4_menu2.jpg

top4_menu3.jpg

search1.gif

left_menu1a.jpg

left_menu1b.jpg

search2.gif

tri1.gif

left_menu1c.jpg

left_menu2a.jpg

left_menu2b.jpg

tri2.gif

left_menu2c.jpg

left_menu3a2.jpg

left_menu3b.jpg

tri3.gif

left_menu3c.jpg

right_menu1a3.jpg

right_menu1b.jpg

shop_image4.jpg

right_menu1c.jpg

right_menu1a2.jpg

362.jpg

20151105-8c.jpg

soryob2.jpg

20131120-15a.jpg

arrival3.jpg

pv_beacon.gif