Tools & Wizards About Us
arbitrage.jpn.org screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

arbitrage.jpn.org

投資のすべて　― 金融機関の市場(マーケット)部門業務における実際的用途ためのパソコン関連機器を情報工学の観点から分析・解説 ― | 東大工学部と東京大学大学院情報理工学系研究科でComputer Science（情報工学・情報科学）を専攻し、新卒以降は機械学習（AI）を各分野に応用する仕事をする中...

Page Load Speed

7.5 sec in total

First Response

3 sec

Resources Loaded

4.3 sec

Page Rendered

268 ms

arbitrage.jpn.org screenshot

About Website

Visit arbitrage.jpn.org now to see the best up-to-date Arbitrage Jpn content for Japan and also check out these interesting facts you probably never knew about arbitrage.jpn.org

金融財政事情研究会のシリーズに因み「投資のすべて」からスタートした本サイトは、投資銀行の金融市場部門において金融工学を利用しデリバティブのプライシングを行う手法、また自己勘定(prop)部門での統計的アービトラージ(statistical

Visit arbitrage.jpn.org

Key Findings

We analyzed Arbitrage.jpn.org page load time and found that the first response time was 3 sec and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

arbitrage.jpn.org performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value120 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

arbitrage.jpn.org

2977 ms

style.css

775 ms

font-awesome.min.css

620 ms

style.css

334 ms

extension.css

335 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 43% of them (20 requests) were addressed to the original Arbitrage.jpn.org, 11% (5 requests) were made to Pagead2.googlesyndication.com and 11% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Arbitrage.jpn.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 246.0 kB (26%)

Content Size

956.8 kB

After Optimization

710.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Arbitrage.jpn.org main page is 956.8 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. 50% of websites need less resources to load. Images take 542.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 31.0 kB

  • Original 42.0 kB
  • After minification 38.6 kB
  • After compression 11.0 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. 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 31.0 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 542.6 kB
  • After minification 541.5 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. Arbitrage Jpn images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 133.9 kB

  • Original 273.1 kB
  • After minification 261.2 kB
  • After compression 139.1 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 133.9 kB or 49% of the original size.

CSS Optimization

-81%

Potential reduce by 80.0 kB

  • Original 99.2 kB
  • After minification 74.4 kB
  • After compression 19.2 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. Arbitrage.jpn.org needs all CSS files to be minified and compressed as it can save up to 80.0 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (71%)

Requests Now

42

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arbitrage Jpn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

arbitrage.jpn.org

arbitrage.jpn.org

2977 ms

style.css

style.css

775 ms

font-awesome.min.css

font-awesome.min.css

620 ms

style.css

style.css

334 ms

extension.css

extension.css

335 ms

style.css

style.css

351 ms

sns-twitter-type.css

sns-twitter-type.css

496 ms

styles.css

styles.css

318 ms

jquery.js

jquery.js

1121 ms

jquery-migrate.min.js

jquery-migrate.min.js

485 ms

adsbygoogle.js

adsbygoogle.js

8 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

499 ms

comment-reply.min.js

comment-reply.min.js

159 ms

javascript.js

javascript.js

169 ms

jquery.form.min.js

jquery.form.min.js

158 ms

scripts.js

scripts.js

402 ms

wp-embed.min.js

wp-embed.min.js

312 ms

ir

ir

327 ms

show

show

45 ms

impression

impression

410 ms

arbitrage-logo3.jpg

arbitrage-logo3.jpg

899 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

502 ms

ca-pub-1657943256162813.js

ca-pub-1657943256162813.js

65 ms

zrt_lookup.html

zrt_lookup.html

54 ms

show_ads_impl.js

show_ads_impl.js

61 ms

icomoon.woff

icomoon.woff

254 ms

sdk.js

sdk.js

230 ms

ads

ads

230 ms

osd.js

osd.js

18 ms

ads

ads

229 ms

ga.js

ga.js

16 ms

__utm.gif

__utm.gif

66 ms

collect

collect

62 ms

1x1.gif

1x1.gif

308 ms

16436134255592449544

16436134255592449544

60 ms

abg.js

abg.js

64 ms

m_js_controller.js

m_js_controller.js

80 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

47 ms

47 ms

xd_arbiter.php

xd_arbiter.php

204 ms

xd_arbiter.php

xd_arbiter.php

337 ms

x_button_blue2.png

x_button_blue2.png

59 ms

s

s

53 ms

favicon

favicon

135 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

31 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

6 ms

print.css

print.css

187 ms

Accessibility Review

arbitrage.jpn.org accessibility score

100

Accessibility Issues

Best Practices

arbitrage.jpn.org best practices score

83

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

SEO Factors

arbitrage.jpn.org SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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 Arbitrage.jpn.org 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 Arbitrage.jpn.org 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

arbitrage.jpn.org

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