Access chuku.jp. ジャム瓶等各種ガラス瓶、キャップシールの通販サイト。ガラス瓶卸販売のちゅうくうｗｅｂＳＨＯＰが国産の高品質なガラス瓶を格安で販売します。

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

www.chuku.jp

748 ms

ocnk.js

358 ms

common.css

375 ms

column2.css

374 ms

default.css

377 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 71% of them (58 requests) were addressed to the original Chuku.jp, 7% (6 requests) were made to Tradesafe.jp and 5% (4 requests) were made to Livedoor.blogimg.jp. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Yamatofinancial.jp.

Content Size

1.0 MB

After Optimization

426.4 kB

In fact, the total size of Chuku.jp main page is 1.0 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. 35% of websites need less resources to load. Javascripts take 566.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 74.8 kB

Original 88.7 kB
After minification 63.5 kB
After compression 13.9 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 25.2 kB, which is 28% 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 74.8 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 16.9 kB

Original 269.9 kB
After minification 253.0 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. Chuku images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 416.9 kB

Original 566.0 kB
After minification 442.6 kB
After compression 149.1 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 416.9 kB or 74% of the original size.

CSS Optimization

-88%

Potential reduce by 73.2 kB

Original 83.6 kB
After minification 54.6 kB
After compression 10.4 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. Chuku.jp needs all CSS files to be minified and compressed as it can save up to 73.2 kB or 88% of the original size.

Requests Now

After Optimization

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chuku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts 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 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>).

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

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

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 doesn't use 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 Chuku.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 Chuku.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

chuku.jp

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

ジャム瓶等各種ガラス瓶、キャップシールの通販サイト。ガラス瓶卸販売のちゅうくうｗｅｂＳＨＯＰが国産の高品質なガラス瓶を格安で販売します。

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

www.chuku.jp

ocnk.js

common.css

column2.css

default.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

www.chuku.jp

ocnk.js

common.css

column2.css

default.css

jquery.js

underscore.js

prototype.js

flipsnap.js

jquerypp.custom.js

jquery.swipeList-min.js

jquery.collapser-min.js

shared-tool-min.js

common.js

seal.php

form-check.js

conversion.js

ga.js

bnr_nowAccepting_150x60.gif

w_wb_6055.jpg

5e5ea7e1-s.jpg

ic_face_csweat.gif

c

web_pay_card.gif

ja_follow_me-b.png

w_wr_20048.jpg

4067b5839a.jpg

subnavi_bg.gif

icon01.gif

icon02.gif

bot_bg.gif

lefttd_bg.gif

menu_bg01.gif

icon04.gif

20140610_17a45c.gif

menu_bg02.gif

cart.gif

icon_point.gif

icon03.gif

np_after_logo.gif

ssl.gif

70726f647563742f32303135303332355f3233646266662e6a7067003136300000660066.jpg

pickup.gif