Tools & Wizards About Us

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

kokugikan.co.jp

大相撲チケット販売します【国技館限定】

Page Load Speed

3 sec in total

First Response

761 ms

Resources Loaded

2.1 sec

Page Rendered

130 ms

About Website

Click here to check amazing Kokugikan content for Japan. Otherwise, check out these important facts you probably never knew about kokugikan.co.jp

国技館で開催される東京本場所の桝席チケット、お土産のお求めは相撲案内所でどうぞ

Visit kokugikan.co.jp

Key Findings

We analyzed Kokugikan.co.jp page load time and found that the first response time was 761 ms and then it took 2.3 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

kokugikan.co.jp performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.3 s

72/100

10%

Network Requests Diagram

kokugikan.co.jp

761 ms

top.jpg

491 ms

menu.gif

400 ms

btop.gif

400 ms

clear.gif

400 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 91% of them (30 requests) were addressed to the original Kokugikan.co.jp, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Kokugikan.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.9 kB (9%)

Content Size

155.5 kB

After Optimization

141.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Kokugikan.co.jp main page is 155.5 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. 20% of websites need less resources to load. Images take 118.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 13.0 kB

  • Original 16.1 kB
  • After minification 11.8 kB
  • After compression 3.1 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 4.3 kB, which is 27% 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 13.0 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 922 B

  • Original 118.4 kB
  • After minification 117.5 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. Kokugikan images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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.

Requests Breakdown

Number of requests can be reduced by 7 (22%)

Requests Now

32

After Optimization

25

  • AJAX
  • Images
  • JavaScript

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kokugikan. 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

Accessibility Review

kokugikan.co.jp accessibility score

50

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.

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

High

Links do not have a discernible name

Best Practices

kokugikan.co.jp best practices score

67

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

SEO Factors

kokugikan.co.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

    N/A

  • Encoding

    SHIFT_JIS

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

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