Tools & Wizards About Us
grace-center.jp screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

grace-center.jp

GRACEセンター | 先端ソフトウェア工学・国際研究センター

Page Load Speed

8.4 sec in total

First Response

3.1 sec

Resources Loaded

5.2 sec

Page Rendered

169 ms

grace-center.jp screenshot

About Website

Click here to check amazing Grace Center content for Japan. Otherwise, check out these important facts you probably never knew about grace-center.jp

Visit grace-center.jp

Key Findings

We analyzed Grace-center.jp page load time and found that the first response time was 3.1 sec and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

grace-center.jp performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

grace-center.jp

3072 ms

style.css

160 ms

comments.css

323 ms

jquery.js

475 ms

jquery-migrate.min.js

332 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 58% of them (21 requests) were addressed to the original Grace-center.jp, 25% (9 requests) were made to Ajax.googleapis.com and 6% (2 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Grace-center.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.1 kB (37%)

Content Size

166.9 kB

After Optimization

104.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Grace-center.jp main page is 166.9 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. 40% of websites need less resources to load. Images take 75.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 18.9 kB

  • Original 24.9 kB
  • After minification 23.2 kB
  • After compression 6.0 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 18.9 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 1.5 kB

  • Original 75.0 kB
  • After minification 73.5 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. Grace Center images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-84%

Potential reduce by 41.7 kB

  • Original 49.8 kB
  • After minification 34.2 kB
  • After compression 8.1 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. Grace-center.jp needs all CSS files to be minified and compressed as it can save up to 41.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (66%)

Requests Now

35

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grace Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

grace-center.jp

grace-center.jp

3072 ms

style.css

style.css

160 ms

comments.css

comments.css

323 ms

jquery.js

jquery.js

475 ms

jquery-migrate.min.js

jquery-migrate.min.js

332 ms

prototype.js

prototype.js

43 ms

scriptaculous.js

scriptaculous.js

46 ms

effects.js

effects.js

51 ms

lightbox.js

lightbox.js

335 ms

js.js

js.js

338 ms

style.css

style.css

334 ms

comment-reply.min.js

comment-reply.min.js

540 ms

social.js

social.js

538 ms

wp-embed.min.js

wp-embed.min.js

541 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

362 ms

builder.js

builder.js

10 ms

effects.js

effects.js

15 ms

dragdrop.js

dragdrop.js

23 ms

controls.js

controls.js

28 ms

slider.js

slider.js

32 ms

sound.js

sound.js

34 ms

lightbox.css

lightbox.css

158 ms

header.png

header.png

495 ms

grace_en.png

grace_en.png

193 ms

mailmaga.png

mailmaga.png

196 ms

banner_topse.png

banner_topse.png

195 ms

IPA-NII-collabo-banner.png

IPA-NII-collabo-banner.png

196 ms

widgets.js

widgets.js

165 ms

jp.png

jp.png

165 ms

us.png

us.png

190 ms

lb.gif

lb.gif

191 ms

ga.js

ga.js

6 ms

__utm.gif

__utm.gif

33 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

125 ms

syndication

syndication

96 ms

335283068225069056

335283068225069056

196 ms

Accessibility Review

grace-center.jp accessibility score

71

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

Image elements do not have [alt] attributes

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

grace-center.jp best practices score

83

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

grace-center.jp SEO score

64

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Grace-center.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Grace-center.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

grace-center.jp

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