Tools & Wizards About Us
ku-bi.or.jp screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

ku-bi.or.jp

【日本空気入ビニール製品工業組合 | JAPAN INFLATABLE VINYL PRODUCTS MANUFACTURERS ASSOCIATION】：トップページ

Page Load Speed

3.9 sec in total

First Response

742 ms

Resources Loaded

2.3 sec

Page Rendered

887 ms

ku-bi.or.jp screenshot

About Website

Welcome to ku-bi.or.jp homepage info - get ready to check Ku Bi best content right away, or after learning these important things about ku-bi.or.jp

私たち組合は、昭和33年空気入れビニール製品製造業界の振興発展と輸出振興を図るため「空気入ビニール製品工業会」を設立、昭和43年中小企業団体組織法に基づき全国区の「日本空気入ビニール製品工業組合に改組し現在に至っています。

Visit ku-bi.or.jp

Key Findings

We analyzed Ku-bi.or.jp page load time and found that the first response time was 742 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ku-bi.or.jp performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

ku-bi.or.jp

742 ms

style.css

345 ms

bk_main.gif

210 ms

img_title01.gif

204 ms

spacer.gif

341 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 88% of them (29 requests) were addressed to the original Ku-bi.or.jp, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ku-bi.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.9 kB (20%)

Content Size

196.7 kB

After Optimization

157.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ku-bi.or.jp main page is 196.7 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. 15% of websites need less resources to load. Images take 159.9 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 8.0 kB

  • Original 11.7 kB
  • After minification 11.5 kB
  • After compression 3.7 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 8.0 kB or 68% of the original size.

Image Optimization

-15%

Potential reduce by 24.5 kB

  • Original 159.9 kB
  • After minification 135.5 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. Obviously, Ku Bi needs image optimization as it can save up to 24.5 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 6.4 kB

  • Original 7.8 kB
  • After minification 5.6 kB
  • After compression 1.4 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. Ku-bi.or.jp needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (17%)

Requests Now

30

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ku Bi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

ku-bi.or.jp

ku-bi.or.jp

742 ms

style.css

style.css

345 ms

bk_main.gif

bk_main.gif

210 ms

img_title01.gif

img_title01.gif

204 ms

spacer.gif

spacer.gif

341 ms

img_tel.gif

img_tel.gif

347 ms

img_copy01.gif

img_copy01.gif

347 ms

bt_main01_f2.gif

bt_main01_f2.gif

346 ms

bt_main02.gif

bt_main02.gif

347 ms

bt_main03.gif

bt_main03.gif

347 ms

bt_main04.gif

bt_main04.gif

514 ms

bt_main05.gif

bt_main05.gif

518 ms

bt_main06.gif

bt_main06.gif

518 ms

bt_main07.gif

bt_main07.gif

517 ms

bt_main08.gif

bt_main08.gif

518 ms

bt_main09.gif

bt_main09.gif

519 ms

bt_main10.gif

bt_main10.gif

685 ms

bt_main11.gif

bt_main11.gif

686 ms

bt_main12.gif

bt_main12.gif

690 ms

bt_main13.gif

bt_main13.gif

686 ms

img_saide01.gif

img_saide01.gif

689 ms

btn_members.gif

btn_members.gif

690 ms

bt_sub01.gif

bt_sub01.gif

856 ms

bt_sub02.gif

bt_sub02.gif

859 ms

spacer_blue.gif

spacer_blue.gif

858 ms

img_top02.jpg

img_top02.jpg

1370 ms

img_newsofmove.png

img_newsofmove.png

1027 ms

instagram-logo.png

instagram-logo.png

1201 ms

sbtl_policy.gif

sbtl_policy.gif

1024 ms

ga.js

ga.js

12 ms

__utm.gif

__utm.gif

19 ms

collect

collect

40 ms

ga-audiences

ga-audiences

64 ms

Accessibility Review

ku-bi.or.jp accessibility score

73

Accessibility Issues

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

Best Practices

ku-bi.or.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

ku-bi.or.jp SEO score

67

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ku-bi.or.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 Ku-bi.or.jp main page’s claimed encoding is shift_jis. 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

ku-bi.or.jp

Open Graph description is not detected on the main page of Ku Bi. 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: