Tools & Wizards About Us
kozai.or.jp screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    88% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

kozai.or.jp

古材文化の会|TOP

Page Load Speed

15 sec in total

First Response

721 ms

Resources Loaded

10 sec

Page Rendered

4.3 sec

kozai.or.jp screenshot

About Website

Welcome to kozai.or.jp homepage info - get ready to check Kozai best content right away, or after learning these important things about kozai.or.jp

KOMO、木の住まい、木の良さを生かしながら、住みやすく生きかえらせたい、木を活かした生活文化の理解と発展に寄与する事を目的とした研究活動、講習会の活動を行っています。

Visit kozai.or.jp

Key Findings

We analyzed Kozai.or.jp page load time and found that the first response time was 721 ms and then it took 14.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kozai.or.jp performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

kozai.or.jp

721 ms

FancyZoom.js

675 ms

FancyZoomHTML.js

536 ms

kozai.css

539 ms

topic.html

580 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 85% of them (33 requests) were addressed to the original Kozai.or.jp, 15% (6 requests) were made to Station.mokuren.ne.jp. The less responsive or slowest element that took the longest time to load (7.6 sec) belongs to the original domain Kozai.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 41.8 kB (30%)

Content Size

141.1 kB

After Optimization

99.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kozai.or.jp main page is 141.1 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. 40% of websites need less resources to load. Images take 94.9 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 3.6 kB

  • Original 5.9 kB
  • After minification 5.7 kB
  • After compression 2.3 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 3.6 kB or 61% of the original size.

Image Optimization

-4%

Potential reduce by 4.1 kB

  • Original 94.9 kB
  • After minification 90.9 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. Kozai images are well optimized though.

JavaScript Optimization

-86%

Potential reduce by 29.4 kB

  • Original 34.1 kB
  • After minification 20.8 kB
  • After compression 4.7 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 29.4 kB or 86% of the original size.

CSS Optimization

-77%

Potential reduce by 4.7 kB

  • Original 6.1 kB
  • After minification 4.8 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. Kozai.or.jp needs all CSS files to be minified and compressed as it can save up to 4.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (14%)

Requests Now

37

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kozai. 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

kozai.or.jp

kozai.or.jp

721 ms

FancyZoom.js

FancyZoom.js

675 ms

FancyZoomHTML.js

FancyZoomHTML.js

536 ms

kozai.css

kozai.css

539 ms

topic.html

topic.html

580 ms

renew.html

renew.html

172 ms

table-bg3.png

table-bg3.png

185 ms

rogodai2.gif

rogodai2.gif

581 ms

home.jpg

home.jpg

581 ms

mail-icon-free9.png

mail-icon-free9.png

338 ms

kozai-staff.css

kozai-staff.css

172 ms

mitsuibussan-banner.jpg

mitsuibussan-banner.jpg

411 ms

kyomachiyakeisyonet-banner.JPG

kyomachiyakeisyonet-banner.JPG

412 ms

shimenawa.JPG

shimenawa.JPG

718 ms

8th-bunmane.JPG

8th-bunmane.JPG

541 ms

guseiji.JPG

guseiji.JPG

1300 ms

150725_bunmane.jpg

150725_bunmane.jpg

1673 ms

mon.jpg

mon.jpg

1847 ms

2015KOMOfes1.JPG

2015KOMOfes1.JPG

1510 ms

2015KOMOfes2.JPG

2015KOMOfes2.JPG

1079 ms

bunmane07th.JPG

bunmane07th.JPG

1077 ms

bunmane07th-ura.JPG

bunmane07th-ura.JPG

1439 ms

2014AW-kozai-ichi.jpg

2014AW-kozai-ichi.jpg

1259 ms

2014nagai-walk-ine.jpg

2014nagai-walk-ine.jpg

1586 ms

handa.JPG

handa.JPG

7629 ms

140726_bunmae-syuryoshiki.jpg

140726_bunmae-syuryoshiki.jpg

1404 ms

sumainogakko20140629.JPG

sumainogakko20140629.JPG

1452 ms

izuodaijinngu.JPG

izuodaijinngu.JPG

1954 ms

2014KOMOfess-a.jpg

2014KOMOfess-a.jpg

1764 ms

2014spring-kozai-ichi.JPG

2014spring-kozai-ichi.JPG

1619 ms

2014spring-kozai-ichi-info.jpg

2014spring-kozai-ichi-info.jpg

2802 ms

bun06th-flyer.jpg

bun06th-flyer.jpg

1944 ms

freemarcket.jpg

freemarcket.jpg

2125 ms

zoom-spin-1.png

zoom-spin-1.png

542 ms

spacer.gif

spacer.gif

544 ms

closebox.png

closebox.png

549 ms

zoom-caption-l.png

zoom-caption-l.png

552 ms

zoom-caption-r.png

zoom-caption-r.png

551 ms

zoom-caption-fill.png

zoom-caption-fill.png

563 ms

Accessibility Review

kozai.or.jp accessibility score

72

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

kozai.or.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

kozai.or.jp SEO score

64

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kozai.or.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 Kozai.or.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

kozai.or.jp

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