Tools & Wizards About Us
gametheory.jp screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

gametheory.jp

3日で学ぶ交渉術！ゲーム理論入門

Page Load Speed

4.6 sec in total

First Response

875 ms

Resources Loaded

3.6 sec

Page Rendered

153 ms

gametheory.jp screenshot

About Website

Visit gametheory.jp now to see the best up-to-date Gametheory content for Japan and also check out these interesting facts you probably never knew about gametheory.jp

学生から社会人まで、ビジネスから男女の仲まで、「交渉」や「戦略」がうまくなる秘訣を3日でトレーニング！ゲーム理論をわかりやすい例やストーリーを交えた解説で学んで、ライバルに差をつけよう！学生から社会人まで幅広く対応しています。

Visit gametheory.jp

Key Findings

We analyzed Gametheory.jp page load time and found that the first response time was 875 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

gametheory.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value2,670 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.16

73/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

gametheory.jp

875 ms

common.css

1096 ms

layout.css

1104 ms

design.css

1449 ms

mobile.css

1273 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 20% of them (12 requests) were addressed to the original Gametheory.jp, 13% (8 requests) were made to Apis.google.com and 10% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Gametheory.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 220.6 kB (47%)

Content Size

466.4 kB

After Optimization

245.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gametheory.jp main page is 466.4 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. 60% of websites need less resources to load. Javascripts take 268.3 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 22.3 kB

  • Original 31.5 kB
  • After minification 30.8 kB
  • After compression 9.2 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 22.3 kB or 71% of the original size.

Image Optimization

-14%

Potential reduce by 15.0 kB

  • Original 108.7 kB
  • After minification 93.7 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, Gametheory needs image optimization as it can save up to 15.0 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 134.9 kB

  • Original 268.3 kB
  • After minification 257.7 kB
  • After compression 133.4 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 134.9 kB or 50% of the original size.

CSS Optimization

-84%

Potential reduce by 48.4 kB

  • Original 57.8 kB
  • After minification 38.4 kB
  • After compression 9.4 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. Gametheory.jp needs all CSS files to be minified and compressed as it can save up to 48.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (65%)

Requests Now

57

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gametheory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

gametheory.jp

gametheory.jp

875 ms

common.css

common.css

1096 ms

layout.css

layout.css

1104 ms

design.css

design.css

1449 ms

mobile.css

mobile.css

1273 ms

advanced.css

advanced.css

1682 ms

custom.css

custom.css

500 ms

jquery.js

jquery.js

1342 ms

adsbygoogle.js

adsbygoogle.js

6 ms

socialButton.js

socialButton.js

936 ms

utility.js

utility.js

947 ms

analytics.js

analytics.js

33 ms

logo.png

logo.png

187 ms

ca-pub-6022002284575385.js

ca-pub-6022002284575385.js

64 ms

zrt_lookup.html

zrt_lookup.html

117 ms

show_ads_impl.js

show_ads_impl.js

60 ms

collect

collect

30 ms

icon-arrow_r.png

icon-arrow_r.png

179 ms

widgets.js

widgets.js

74 ms

button-only@2x.png

button-only@2x.png

332 ms

bookmark_button.js

bookmark_button.js

448 ms

platform.js

platform.js

123 ms

sdk.js

sdk.js

285 ms

ads

ads

199 ms

osd.js

osd.js

27 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

36 ms

ads

ads

219 ms

ads

ads

214 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

7 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

36 ms

fastbutton

fastbutton

89 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.ja.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.ja.html

29 ms

postmessageRelay

postmessageRelay

53 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

39 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

14 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

36 ms

rpc:shindig_random.js

rpc:shindig_random.js

93 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

94 ms

14039962061807322182

14039962061807322182

96 ms

abg.js

abg.js

130 ms

m_js_controller.js

m_js_controller.js

112 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

68 ms

7448670012403649797

7448670012403649797

155 ms

jot

jot

267 ms

219 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

16 ms

xd_arbiter.php

xd_arbiter.php

286 ms

xd_arbiter.php

xd_arbiter.php

515 ms

favicon

favicon

151 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

77 ms

s

s

75 ms

x_button_blue2.png

x_button_blue2.png

49 ms

214 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

5 ms

ui

ui

35 ms

reset.css

reset.css

9 ms

entry-button.css

entry-button.css

10 ms

like.php

like.php

72 ms

bbtn-s_v3.png

bbtn-s_v3.png

6 ms

wy1X4hBW7e7.js

wy1X4hBW7e7.js

492 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

548 ms

Accessibility Review

gametheory.jp accessibility score

85

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-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

Best Practices

gametheory.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

gametheory.jp SEO score

95

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

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

gametheory.jp

Open Graph data is detected on the main page of Gametheory. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: