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shibaura-group.co.jp screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    72% 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

  • 92

    SEO

    Google-friendlier than
    75% of websites

shibaura-group.co.jp

芝浦グループ：鉄鋼流通加工

Page Load Speed

3.1 sec in total

First Response

551 ms

Resources Loaded

2.4 sec

Page Rendered

167 ms

shibaura-group.co.jp screenshot

About Website

Click here to check amazing Shibaura Group content. Otherwise, check out these important facts you probably never knew about shibaura-group.co.jp

芝浦グループは、株式会社芝浦ホールディングスをヘッドカンパニーとし、芝浦シヤリング株式会社を中核事業会社とする鉄鋼流通加工業を営む企業グループです。創業90周年を超えた今もたゆまず、鋼板切断・加工で積み上げた実績を力に変えて、お客様のご要望にお応えして参ります。

Visit shibaura-group.co.jp

Key Findings

We analyzed Shibaura-group.co.jp page load time and found that the first response time was 551 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

shibaura-group.co.jp performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.471

18/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

shibaura-group.co.jp

551 ms

ac_active.js

380 ms

styleset.css

378 ms

side_l_c.jpg

348 ms

side_l_top.jpg

349 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Shibaura-group.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Shibaura-group.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.7 kB (54%)

Content Size

23.6 kB

After Optimization

11.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shibaura-group.co.jp main page is 23.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 9.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 5.4 kB

  • Original 7.3 kB
  • After minification 6.9 kB
  • After compression 1.9 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. 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 5.4 kB or 74% of the original size.

Image Optimization

-16%

Potential reduce by 1.4 kB

  • Original 9.2 kB
  • After minification 7.8 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, Shibaura Group needs image optimization as it can save up to 1.4 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-82%

Potential reduce by 2.1 kB

  • Original 2.5 kB
  • After minification 2.4 kB
  • After compression 440 B

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 2.1 kB or 82% of the original size.

CSS Optimization

-81%

Potential reduce by 3.7 kB

  • Original 4.6 kB
  • After minification 4.1 kB
  • After compression 875 B

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. Shibaura-group.co.jp needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shibaura Group. According to our analytics all requests are already optimized.

Network Requests Diagram

shibaura-group.co.jp

shibaura-group.co.jp

551 ms

ac_active.js

ac_active.js

380 ms

styleset.css

styleset.css

378 ms

side_l_c.jpg

side_l_c.jpg

348 ms

side_l_top.jpg

side_l_top.jpg

349 ms

spacer.gif

spacer.gif

364 ms

bgimg_side.jpg

bgimg_side.jpg

366 ms

bgimg_side_top.jpg

bgimg_side_top.jpg

370 ms

line_l.jpg

line_l.jpg

373 ms

line_r.jpg

line_r.jpg

696 ms

bgimg_mesh.gif

bgimg_mesh.gif

706 ms

base_foot.jpg

base_foot.jpg

1439 ms

line_c.jpg

line_c.jpg

705 ms

Accessibility Review

shibaura-group.co.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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

shibaura-group.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

shibaura-group.co.jp SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shibaura-group.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Shibaura-group.co.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

shibaura-group.co.jp

Open Graph description is not detected on the main page of Shibaura Group. 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: