Access 4x4.co.jp. MASTERPIECE｜楽しめる四駆、遊べる四駆作りをお手伝いします

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.191

64/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

4x4.co.jp

579 ms

m_sys_common.css

313 ms

import.css

334 ms

script.js

339 ms

jquery.min.js

508 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 45% of them (64 requests) were addressed to the original 4x4.co.jp, 30% (43 requests) were made to Gigaplus.makeshop.jp and 2% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain 4x4.co.jp.

Content Size

2.4 MB

After Optimization

1.8 MB

In fact, the total size of 4x4.co.jp main page is 2.4 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. 70% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 61.9 kB

Original 75.6 kB
After minification 69.0 kB
After compression 13.7 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 61.9 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 27.5 kB

Original 1.6 MB
After minification 1.6 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. 4 X images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 264.4 kB

Original 407.9 kB
After minification 405.6 kB
After compression 143.5 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 264.4 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 252.2 kB

Original 304.9 kB
After minification 290.4 kB
After compression 52.7 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. 4x4.co.jp needs all CSS files to be minified and compressed as it can save up to 252.2 kB or 83% of the original size.

Requests Now

137

After Optimization

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 X. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 14 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

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

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

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

High

Links are not crawlable

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 4x4.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 4x4.co.jp 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

4x4.co.jp

Open Graph description is not detected on the main page of 4 X. 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

MASTERPIECE｜楽しめる四駆、遊べる四駆作りをお手伝いします

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

4x4.co.jp

m_sys_common.css

import.css

script.js

jquery.min.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

4x4.co.jp

m_sys_common.css

import.css

script.js

jquery.min.js

jquery.bxslider.min.js

jquery.bxslider.css

jquery.min.js

jquery.bxslider.min.js

jquery.bxslider.css

check_history.css

pager.css

shopdetail.css

ranking.css

basket.css

security.css

category_menu.css

topicpath.css

catalog.css

analytics.js

title1.gif

button01.gif

count.makeshop.jp

logo.jpg

hNav02.png

hNav03.png

hNav04.png

l_memberBtn.png

maintitle2.gif

0000000017043.jpg

0000000017033.jpg

0000000017023.jpg

0000000017013.jpg

0000000017003.jpg

0000000016993.jpg

0000000016983.jpg

0000000016973.jpg

iconU.gif

newstitle.gif

left_edge.gif

right_edge.gif

review_title.gif

specialtitle.gif