Tools & Wizards About Us
ieei.or.jp screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

ieei.or.jp

NPO法人 国際環境経済研究所｜International Environment and Economy Institute – 環境と経済を両立させた持続可能な社会のあり方を考える

Page Load Speed

6.5 sec in total

First Response

637 ms

Resources Loaded

5.3 sec

Page Rendered

477 ms

ieei.or.jp screenshot

About Website

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

WEB上での論考などの情報発信を通じ、国内外の政策や国際枠組みについての意見集約や提言を行い、環境と経済を両立させた持続可能な社会のあり方を考えます。

Visit ieei.or.jp

Key Findings

We analyzed Ieei.or.jp page load time and found that the first response time was 637 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ieei.or.jp performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.101

89/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

ieei.or.jp

637 ms

style.css

212 ms

avatars.css

367 ms

imgareaselect.css

367 ms

dashicons.min.css

612 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 73% of them (104 requests) were addressed to the original Ieei.or.jp, 13% (18 requests) were made to Static.xx.fbcdn.net and 3% (5 requests) were made to External-iad3-2.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Ieei.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 449.8 kB (15%)

Content Size

2.9 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ieei.or.jp main page is 2.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 85.4 kB

  • Original 104.5 kB
  • After minification 103.0 kB
  • After compression 19.1 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. 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 85.4 kB or 82% of the original size.

Image Optimization

-13%

Potential reduce by 349.2 kB

  • Original 2.6 MB
  • After minification 2.3 MB

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, Ieei needs image optimization as it can save up to 349.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 5.2 kB

  • Original 146.7 kB
  • After minification 146.7 kB
  • After compression 141.5 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.

CSS Optimization

-12%

Potential reduce by 10.1 kB

  • Original 84.2 kB
  • After minification 83.8 kB
  • After compression 74.1 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. Ieei.or.jp needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (45%)

Requests Now

140

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ieei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ieei.or.jp

ieei.or.jp

637 ms

style.css

style.css

212 ms

avatars.css

avatars.css

367 ms

imgareaselect.css

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367 ms

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kotani-katsuhiko.jpg

209 ms

ishii-takaaki.jpg

ishii-takaaki.jpg

416 ms

Takeuchi.Sumiko.jpg

Takeuchi.Sumiko.jpg

184 ms

richard.lindzen.png

richard.lindzen.png

204 ms

nakagawa_keiichi.jpg

nakagawa_keiichi.jpg

548 ms

kojima-masami.jpg

kojima-masami.jpg

419 ms

david-whitehouse.jpg

david-whitehouse.jpg

260 ms

Yamamoto.Ryuzo.jpg

Yamamoto.Ryuzo.jpg

238 ms

sugiyama.taishi.jpg

sugiyama.taishi.jpg

360 ms

Sawa.Akihiro.png

Sawa.Akihiro.png

418 ms

43.png

43.png

368 ms

bg_direction_nav.png

bg_direction_nav.png

395 ms

loadingAnimation.gif

loadingAnimation.gif

407 ms

Accessibility Review

ieei.or.jp accessibility score

78

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

<input type="image"> elements do not have [alt] text

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

ieei.or.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

ieei.or.jp SEO score

90

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

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 Ieei.or.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 Ieei.or.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

ieei.or.jp

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