Access shimamusen.com. オーディオ、ホームシアター専門通販

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.192

64/100

15%

TTI (Time to Interactive)

Value5.7 s

67/100

10%

shimamusen.com

761 ms

m_sys_common.css

314 ms

import.css

316 ms

script.js

333 ms

rollover.js

341 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 69% of them (73 requests) were addressed to the original Shimamusen.com, 9% (10 requests) were made to Gigaplus.makeshop.jp and 3% (3 requests) were made to Sync.fout.jp. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Gigaplus.makeshop.jp.

Content Size

686.6 kB

After Optimization

486.9 kB

In fact, the total size of Shimamusen.com main page is 686.6 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. 35% of websites need less resources to load. Images take 470.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 52.9 kB

Original 64.9 kB
After minification 58.4 kB
After compression 12.0 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 52.9 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 52.9 kB

Original 470.6 kB
After minification 417.8 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, Shimamusen needs image optimization as it can save up to 52.9 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

-54%

Potential reduce by 57.8 kB

Original 106.4 kB
After minification 103.6 kB
After compression 48.5 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 57.8 kB or 54% of the original size.

CSS Optimization

-81%

Potential reduce by 36.1 kB

Original 44.7 kB
After minification 34.6 kB
After compression 8.6 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. Shimamusen.com needs all CSS files to be minified and compressed as it can save up to 36.1 kB or 81% of the original size.

Requests Now

102

After Optimization

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shimamusen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 11 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

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

Search Engine Optimization Advices

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

JA
Encoding

EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shimamusen.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 Shimamusen.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

shimamusen.com

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

オーディオ、ホームシアター専門通販｜シマムセン

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

shimamusen.com

m_sys_common.css

import.css

script.js

rollover.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

shimamusen.com

m_sys_common.css

import.css

script.js

rollover.js

jquery.js

function.js

check_history.css

pager.css

shopdetail.css

ranking.css

basket.css

security.css

category_menu.css

topicpath.css

catalog.css

799px-Kef-logo2.jpg

count3.makeshop.jp

bwlogo2.jpg

dali_logo.jpg

Denon_Logo_1.jpg

yamaha_logo1.jpg

Marantz.jpg

Accuphase.jpg

stax1.jpg

sennheiser_logo.jpg

bestbuy.jpg

logo.jpg

header_login.jpg

menu01.jpg

menu02.jpg

menu03.jpg

menu04.jpg

menu05.jpg

menu06.jpg

menu07.jpg

side_search.jpg

btn-search.gif

side_category.jpg

side_banner01.jpg

side_banner02.jpg

side_community.jpg

orico.jpg