Access johnson.co.jp. ホーム

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value101.9 s

0/100

10%

TBT (Total Blocking Time)

Value2,020 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value94.3 s

0/100

10%

johnson.co.jp

36 ms

ja-jp

46 ms

ja-ap

754 ms

css2

37 ms

scjmainstyles.css

106 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Johnson.co.jp, 70% (80 requests) were made to Scj-corp-cdn.azureedge.net and 8% (9 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (772 ms) relates to the external source Scj-corp-cdn.azureedge.net.

Content Size

32.6 MB

After Optimization

30.9 MB

In fact, the total size of Johnson.co.jp main page is 32.6 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 31.4 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 192.1 kB

Original 219.1 kB
After minification 133.9 kB
After compression 27.0 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. This page needs HTML code to be minified as it can gain 85.1 kB, which is 39% 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 192.1 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 951.1 kB

Original 31.4 MB
After minification 30.5 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. Johnson images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 522.6 kB

Original 830.7 kB
After minification 830.7 kB
After compression 308.1 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 522.6 kB or 63% of the original size.

CSS Optimization

-27%

Potential reduce by 47.9 kB

Original 175.9 kB
After minification 175.9 kB
After compression 128.0 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. Johnson.co.jp needs all CSS files to be minified and compressed as it can save up to 47.9 kB or 27% of the original size.

Requests Now

111

After Optimization

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Johnson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 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

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.

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

Form elements do not have associated labels

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.

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

High

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

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

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

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

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 Johnson.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 Johnson.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

johnson.co.jp

Open Graph data is detected on the main page of Johnson. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

ホーム

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

johnson.co.jp

ja-jp

ja-ap

css2

scjmainstyles.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

johnson.co.jp

ja-jp

ja-ap

css2

scjmainstyles.css

xsp7kaj.css

ai.0.js

1764eb940b60357cd8cbf5d12e63dbdb

p.css

gtm.js

scj_logo1.svg

Close-white.svg

main.min.js

Double-Diamond.svg

play-arrow.png

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