Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

tokyofoundation.org

The Tokyo Foundation for Policy Research

Page Load Speed

3.9 sec in total

First Response

489 ms

Resources Loaded

3.2 sec

Page Rendered

235 ms

tokyofoundation.org screenshot

About Website

Click here to check amazing Tokyo Foundation content for United States. Otherwise, check out these important facts you probably never knew about tokyofoundation.org

The Tokyo Foundation for Policy Research is an independent, not-for-profit think tank conducting rigorous policy research and presenting evidence-based, “people-centered” policy proposals. We seek to ...

Visit tokyofoundation.org

Key Findings

We analyzed Tokyofoundation.org page load time and found that the first response time was 489 ms and then it took 3.4 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

tokyofoundation.org performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

tokyofoundation.org

489 ms

www.tkfd.or.jp

1034 ms

bootstrap.min.css

925 ms

jquery.min.js

22 ms

bootstrap.min.js

465 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Tokyofoundation.org, 78% (31 requests) were made to Tkfd.or.jp and 13% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Tkfd.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 429.0 kB (34%)

Content Size

1.3 MB

After Optimization

822.8 kB

In fact, the total size of Tokyofoundation.org main page is 1.3 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 848.7 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 94.0 kB

  • Original 104.2 kB
  • After minification 66.6 kB
  • After compression 10.2 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. This page needs HTML code to be minified as it can gain 37.5 kB, which is 36% 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 94.0 kB or 90% of the original size.

Image Optimization

-16%

Potential reduce by 138.5 kB

  • Original 848.7 kB
  • After minification 710.3 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, Tokyo Foundation needs image optimization as it can save up to 138.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 63.5 kB

  • Original 141.3 kB
  • After minification 137.8 kB
  • After compression 77.8 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 63.5 kB or 45% of the original size.

CSS Optimization

-84%

Potential reduce by 133.0 kB

  • Original 157.5 kB
  • After minification 157.0 kB
  • After compression 24.5 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. Tokyofoundation.org needs all CSS files to be minified and compressed as it can save up to 133.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (21%)

Requests Now

38

After Optimization

30

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tokyo Foundation. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tokyofoundation.org accessibility score

92

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-hidden="true"] elements contain focusable descendents

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Links do not have a discernible name

Best Practices

tokyofoundation.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

tokyofoundation.org SEO score

84

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    JA

  • Encoding

    UTF-8

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

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