Access mirait.co.jp. 株式会社ミライト・ワン

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value39.3 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,040 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.299

40/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

mirait.co.jp

566 ms

import.css

187 ms

jquery.js

827 ms

rolloverout.js

357 ms

common.js

362 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 88% of them (45 requests) were addressed to the original Mirait.co.jp, 8% (4 requests) were made to Navicast.jp and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Mirait.co.jp.

Content Size

209.5 kB

After Optimization

98.8 kB

In fact, the total size of Mirait.co.jp main page is 209.5 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. Javascripts take 139.3 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 7.2 kB

Original 10.8 kB
After minification 9.9 kB
After compression 3.5 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 7.2 kB or 67% of the original size.

Image Optimization

-9%

Potential reduce by 3.5 kB

Original 39.6 kB
After minification 36.1 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. Mirait images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 84.1 kB

Original 139.3 kB
After minification 120.4 kB
After compression 55.2 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 84.1 kB or 60% of the original size.

CSS Optimization

-80%

Potential reduce by 15.9 kB

Original 19.8 kB
After minification 14.4 kB
After compression 4.0 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. Mirait.co.jp needs all CSS files to be minified and compressed as it can save up to 15.9 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mirait. 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 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

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

Low

Detected JavaScript libraries

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

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 doesn't use legible font sizes

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 Mirait.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 Mirait.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

mirait.co.jp

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

株式会社ミライト・ワン

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

mirait.co.jp

import.css

jquery.js

rolloverout.js

common.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

mirait.co.jp

import.css

jquery.js

rolloverout.js

common.js

swfobject.js

font_resize.js

NavicastApi.js

common.css

contents.css

analytics.js

logo1.jpg

logo2.gif

gnav_bg.gif

gnav1_r.gif

gnav2.gif

gnav3.gif

gnav4.gif

gnav5.gif

font_l.gif

font_m_r.gif

font_s.gif

change_font.gif

english.gif

topmain_img.gif

hd_banner_makeyousmile.gif

ic2.jpg

banner_kabuka.gif

news_title.gif

icb1.gif

side_group_profile.gif

20151106_mp_bn.jpg

side_shared.gif

side_miraito.gif

side_tech.gif

side_group.gif

bnr2.gif

banner_csr.jpg

footer_bnr1.jpg

footer_bnr2.jpg

collect

NavicastTmg.php

NavicastApi2.php