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jinf.jp screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

jinf.jp

公益財団法人 国家基本問題研究所

Page Load Speed

6.2 sec in total

First Response

963 ms

Resources Loaded

5 sec

Page Rendered

217 ms

jinf.jp screenshot

About Website

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

櫻井よしこが理事長を務めるシンクタンクです。日本国家が直面する基本問題を見詰め直そうとの見地から、公益財団法人 国家基本問題研究所（国基研・JINF）を設立いたしました。

Visit jinf.jp

Key Findings

We analyzed Jinf.jp page load time and found that the first response time was 963 ms and then it took 5.2 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

jinf.jp performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.683

7/100

15%

TTI (Time to Interactive)

Value24.5 s

0/100

10%

Network Requests Diagram

jinf.jp

963 ms

shadowbox.css

343 ms

fontsize2.css

344 ms

video-js.css

20 ms

style.css

352 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 91% of them (48 requests) were addressed to the original Jinf.jp, 6% (3 requests) were made to Vjs.zencdn.net and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Jinf.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 282.3 kB (29%)

Content Size

966.8 kB

After Optimization

684.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jinf.jp main page is 966.8 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. 30% of websites need less resources to load. Images take 595.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.7 kB

  • Original 30.2 kB
  • After minification 23.7 kB
  • After compression 7.5 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 6.5 kB, which is 22% 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 22.7 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 34.5 kB

  • Original 595.7 kB
  • After minification 561.2 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. Jinf images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 182.8 kB

  • Original 290.4 kB
  • After minification 278.4 kB
  • After compression 107.6 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 182.8 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 42.3 kB

  • Original 50.6 kB
  • After minification 38.0 kB
  • After compression 8.3 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. Jinf.jp needs all CSS files to be minified and compressed as it can save up to 42.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (27%)

Requests Now

51

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jinf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jinf.jp

jinf.jp

963 ms

shadowbox.css

shadowbox.css

343 ms

fontsize2.css

fontsize2.css

344 ms

video-js.css

video-js.css

20 ms

style.css

style.css

352 ms

jquery.js

jquery.js

559 ms

jquery-migrate.min.js

jquery-migrate.min.js

375 ms

jquery.js

jquery.js

585 ms

shadowbox.js

shadowbox.js

680 ms

initial.js

initial.js

688 ms

jqswitch.js

jqswitch.js

686 ms

slides.jquery.js

slides.jquery.js

731 ms

videojs-ie8.min.js

videojs-ie8.min.js

19 ms

video.js

video.js

40 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

574 ms

bg_header.gif

bg_header.gif

298 ms

btn_login.gif

btn_login.gif

351 ms

btn_size.gif

btn_size.gif

383 ms

btn_language.gif

btn_language.gif

383 ms

h1_logo.jpg

h1_logo.jpg

614 ms

navigation.gif

navigation.gif

669 ms

navigation.gif

navigation.gif

835 ms

bg_search.gif

bg_search.gif

698 ms

btn_search.png

btn_search.png

728 ms

16.03.112.jpg

16.03.112.jpg

939 ms

16.03.111.jpg

16.03.111.jpg

1286 ms

IMG_6455_cr.jpg

IMG_6455_cr.jpg

1284 ms

16.02.030.jpg

16.02.030.jpg

1417 ms

15.11.23.jpg

15.11.23.jpg

1646 ms

banner_membershipupd.jpg

banner_membershipupd.jpg

1779 ms

h2_update.gif

h2_update.gif

1281 ms

label_update_6.gif

label_update_6.gif

1626 ms

label_update_4.gif

label_update_4.gif

1634 ms

h2_report.gif

h2_report.gif

1666 ms

banner_suggestion.gif

banner_suggestion.gif

1972 ms

h2_news.gif

h2_news.gif

1974 ms

bnr_award.png

bnr_award.png

2186 ms

h2_feedback.gif

h2_feedback.gif

2028 ms

jinf_thumb.jpg

jinf_thumb.jpg

2205 ms

bnr_feedback.gif

bnr_feedback.gif

2133 ms

0f0a43211920e765ab974480fc0961101.jpg

0f0a43211920e765ab974480fc0961101.jpg

2834 ms

docs-16-2.jpg

docs-16-2.jpg

2342 ms

bnr_sakurai.jpg

bnr_sakurai.jpg

2389 ms

h2_officer.gif

h2_officer.gif

2515 ms

bg_wrapper.gif

bg_wrapper.gif

2521 ms

icn_arrow_2.gif

icn_arrow_2.gif

2534 ms

btn_pagetop.gif

btn_pagetop.gif

2692 ms

ga.js

ga.js

6 ms

__utm.gif

__utm.gif

12 ms

16.03.112.jpg

16.03.112.jpg

2849 ms

loading.gif

loading.gif

2916 ms

pagination.png

pagination.png

2791 ms

print.css

print.css

180 ms

Accessibility Review

jinf.jp accessibility score

75

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

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

jinf.jp 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jinf.jp SEO score

69

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

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 Jinf.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 Jinf.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

jinf.jp

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