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zen-group.co.jp screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

zen-group.co.jp

日本の食文化を次世代に伝える膳グループ

Page Load Speed

6.4 sec in total

First Response

584 ms

Resources Loaded

5.6 sec

Page Rendered

203 ms

zen-group.co.jp screenshot

About Website

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

膳グループはお米を通じて、おいしさ、安心、健康そして感動を届けます

Visit zen-group.co.jp

Key Findings

We analyzed Zen-group.co.jp page load time and found that the first response time was 584 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

zen-group.co.jp performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

zen-group.co.jp

584 ms

version4.css

331 ms

import.css

355 ms

font1.css

362 ms

AC_RunActiveContent.js

356 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 94% of them (31 requests) were addressed to the original Zen-group.co.jp, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Zen-group.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.4 kB (7%)

Content Size

464.3 kB

After Optimization

433.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zen-group.co.jp main page is 464.3 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. Only 10% of websites need less resources to load. Images take 424.6 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 6.5 kB

  • Original 9.4 kB
  • After minification 8.3 kB
  • After compression 3.0 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 1.1 kB, which is 12% 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 6.5 kB or 68% of the original size.

Image Optimization

-3%

Potential reduce by 14.0 kB

  • Original 424.6 kB
  • After minification 410.6 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. Zen Group images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 2.7 kB

  • Original 21.0 kB
  • After minification 20.0 kB
  • After compression 18.3 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 2.7 kB or 13% of the original size.

CSS Optimization

-78%

Potential reduce by 7.2 kB

  • Original 9.2 kB
  • After minification 7.6 kB
  • After compression 2.1 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. Zen-group.co.jp needs all CSS files to be minified and compressed as it can save up to 7.2 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zen Group. According to our analytics all requests are already optimized.

Network Requests Diagram

zen-group.co.jp

zen-group.co.jp

584 ms

version4.css

version4.css

331 ms

import.css

import.css

355 ms

font1.css

font1.css

362 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

356 ms

smartRollover.js

smartRollover.js

383 ms

base.css

base.css

212 ms

ga.js

ga.js

26 ms

mainbg.gif

mainbg.gif

452 ms

mainimg.jpg

mainimg.jpg

1351 ms

btn1_off.jpg

btn1_off.jpg

480 ms

btn2_off.jpg

btn2_off.jpg

545 ms

btn3_off.jpg

btn3_off.jpg

493 ms

btn4_off.jpg

btn4_off.jpg

596 ms

telnum2.jpg

telnum2.jpg

1009 ms

imagine.jpg

imagine.jpg

1044 ms

1zen.jpg

1zen.jpg

1237 ms

zen.jpg

zen.jpg

1037 ms

about.jpg

about.jpg

1029 ms

dot.gif

dot.gif

1607 ms

zen-olinestore.jpg

zen-olinestore.jpg

1787 ms

riceinfo-head.jpg

riceinfo-head.jpg

1978 ms

arrow2.gif

arrow2.gif

1982 ms

bijingenmai_gold.jpg

bijingenmai_gold.jpg

2836 ms

bijingenmai.jpg

bijingenmai.jpg

3218 ms

team-6.jpg

team-6.jpg

3020 ms

zen-network3b.jpg

zen-network3b.jpg

3396 ms

spacer.gif

spacer.gif

3107 ms

pagetop.jpg

pagetop.jpg

3115 ms

zen-logo.jpg

zen-logo.jpg

3254 ms

__utm.gif

__utm.gif

11 ms

font2.css

font2.css

657 ms

font3.css

font3.css

379 ms

Accessibility Review

zen-group.co.jp accessibility score

96

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Tables and lists

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

Impact

Issue

High

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

Best Practices

zen-group.co.jp best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

zen-group.co.jp SEO score

75

Search Engine Optimization Advices

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 Zen-group.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 Zen-group.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

zen-group.co.jp

Open Graph description is not detected on the main page of Zen 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: