Tools & Wizards About Us
kazuoohnodancestudio.com screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

kazuoohnodancestudio.com

大野一雄舞踏研究所 公式Webサイト - Official Website Kazuo Ohno Dance studio

Page Load Speed

6.3 sec in total

First Response

571 ms

Resources Loaded

5.5 sec

Page Rendered

253 ms

kazuoohnodancestudio.com screenshot

About Website

Visit kazuoohnodancestudio.com now to see the best up-to-date Kazuo Ohno Dance Studio content and also check out these interesting facts you probably never knew about kazuoohnodancestudio.com

当サイトでは、大野一雄、大野慶人についての全ての情報を集約しています。「大野一雄100歳の年総合プログラム」最新情報、大野一雄舞踏研究所の日常活動、過去の活動やアーカイブ資料、大野一雄関連出版物など、独自のシステムで掲載しています。Welcome to the Kazuo Ohno Dance Studio Web site!Our website presents various informa...

Visit kazuoohnodancestudio.com

Key Findings

We analyzed Kazuoohnodancestudio.com page load time and found that the first response time was 571 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

kazuoohnodancestudio.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.994

2/100

15%

TTI (Time to Interactive)

Value3.7 s

91/100

10%

Network Requests Diagram

kazuoohnodancestudio.com

571 ms

base.css

180 ms

common.css

354 ms

index.css

354 ms

common.js

357 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 84% of them (16 requests) were addressed to the original Kazuoohnodancestudio.com, 16% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Kazuoohnodancestudio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.7 kB (3%)

Content Size

1.8 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kazuoohnodancestudio.com main page is 1.8 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. 20% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-52%

Potential reduce by 3.1 kB

  • Original 5.9 kB
  • After minification 5.8 kB
  • After compression 2.8 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 3.1 kB or 52% of the original size.

Image Optimization

-3%

Potential reduce by 45.6 kB

  • Original 1.8 MB
  • After minification 1.7 MB

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. Kazuo Ohno Dance Studio images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 1.6 kB

  • Original 39.8 kB
  • After minification 39.8 kB
  • After compression 38.2 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

-19%

Potential reduce by 1.5 kB

  • Original 7.9 kB
  • After minification 7.9 kB
  • After compression 6.4 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. Kazuoohnodancestudio.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (33%)

Requests Now

18

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kazuo Ohno Dance Studio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kazuoohnodancestudio.com

kazuoohnodancestudio.com

571 ms

base.css

base.css

180 ms

common.css

common.css

354 ms

index.css

index.css

354 ms

common.js

common.js

357 ms

jquery.js

jquery.js

541 ms

base.css

base.css

179 ms

base_layout.css

base_layout.css

197 ms

layout.css

layout.css

181 ms

navi.css

navi.css

400 ms

ga.js

ga.js

45 ms

yoshito_ohono_1938-2020.jpg

yoshito_ohono_1938-2020.jpg

4186 ms

btn_japanse.gif

btn_japanse.gif

178 ms

btn_english.gif

btn_english.gif

178 ms

btn_bravo.jpg

btn_bravo.jpg

358 ms

btn_dko.jpg

btn_dko.jpg

193 ms

btn_nendaiki.jpg

btn_nendaiki.jpg

387 ms

__utm.gif

__utm.gif

13 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

kazuoohnodancestudio.com accessibility score

68

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

kazuoohnodancestudio.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kazuoohnodancestudio.com 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

    EN

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kazuoohnodancestudio.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Japanese language. Our system also found out that Kazuoohnodancestudio.com 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

kazuoohnodancestudio.com

Open Graph description is not detected on the main page of Kazuo Ohno Dance Studio. 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: