Report Summary

  • 15

    Performance

    Renders faster than
    27% 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

  • 85

    SEO

    Google-friendlier than
    55% of websites

mouse-jp.co.jp

パソコン(PC)通販のマウスコンピューター 公式サイト

Page Load Speed

13.8 sec in total

First Response

524 ms

Resources Loaded

11.8 sec

Page Rendered

1.5 sec

mouse-jp.co.jp screenshot

About Website

Visit mouse-jp.co.jp now to see the best up-to-date Mouse Jp content for Japan and also check out these interesting facts you probably never knew about mouse-jp.co.jp

国内でBTO(受注生産)パソコンを製造するマウスコンピューターの公式通販サイトです。国内生産・3年保証・送料無料など、パソコンのご購入をサポートいたします。

Visit mouse-jp.co.jp

Key Findings

We analyzed Mouse-jp.co.jp page load time and found that the first response time was 524 ms and then it took 13.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

mouse-jp.co.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value35.1 s

0/100

25%

SI (Speed Index)

Value21.4 s

0/100

10%

TBT (Total Blocking Time)

Value5,930 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value38.5 s

0/100

10%

Network Requests Diagram

mouse-jp.co.jp

524 ms

mouse-jp.co.jp

711 ms

www.mouse-jp.co.jp

1237 ms

cmp.js

31 ms

jquery-ui.min.css

345 ms

Our browser made a total of 283 requests to load all elements on the main page. We found that 42% of them (119 requests) were addressed to the original Mouse-jp.co.jp, 11% (31 requests) were made to Show.revico.jp and 4% (10 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Mouse-jp.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 879.0 kB (16%)

Content Size

5.7 MB

After Optimization

4.8 MB

In fact, the total size of Mouse-jp.co.jp main page is 5.7 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. Only a small number of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 199.4 kB

  • Original 233.3 kB
  • After minification 182.3 kB
  • After compression 33.9 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. This page needs HTML code to be minified as it can gain 51.0 kB, which is 22% 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 199.4 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 45.6 kB

  • Original 4.2 MB
  • After minification 4.1 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. Mouse Jp images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 612.9 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 551.2 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 612.9 kB or 53% of the original size.

CSS Optimization

-23%

Potential reduce by 21.1 kB

  • Original 91.5 kB
  • After minification 90.2 kB
  • After compression 70.4 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. Mouse-jp.co.jp needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 142 (55%)

Requests Now

257

After Optimization

115

The browser has sent 257 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mouse Jp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 75 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mouse-jp.co.jp accessibility score

74

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

mouse-jp.co.jp best practices score

67

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

mouse-jp.co.jp SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Mouse-jp.co.jp 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 Mouse-jp.co.jp 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 data is detected on the main page of Mouse Jp. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: