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cooori.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

cooori.com

AIと脳科学を採用した法人向けオンライン英語研修 | Cooori

Page Load Speed

3.8 sec in total

First Response

295 ms

Resources Loaded

2.9 sec

Page Rendered

576 ms

cooori.com screenshot

About Website

Welcome to cooori.com homepage info - get ready to check Cooori best content for Japan right away, or after learning these important things about cooori.com

AI(人工知能) と脳科学を採用した法人向けオンライン英語研修サービス・Cooori。パーソナライズされた英語学習は、グローバル人材の育成を目指した研修・プログラムとして多くの大手企業様にご活用いただいております。法人向けオンライン英語研修サービスの特徴や機能、流れや導入実績をご紹介いたします。

Visit cooori.com

Key Findings

We analyzed Cooori.com page load time and found that the first response time was 295 ms and then it took 3.5 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

cooori.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

295 ms

font-awesome.min.css

7 ms

css

40 ms

jquery.min.js

39 ms

mobile.js

284 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 87% of them (27 requests) were addressed to the original Cooori.com, 6% (2 requests) were made to Maxcdn.bootstrapcdn.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Cooori.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.7 kB (6%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cooori.com main page is 2.2 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. 25% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 19.0 kB

  • Original 22.8 kB
  • After minification 15.4 kB
  • After compression 3.9 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 7.5 kB, which is 33% 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 19.0 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 30.8 kB

  • Original 2.0 MB
  • After minification 2.0 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. Cooori images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 26.3 kB

  • Original 69.4 kB
  • After minification 69.3 kB
  • After compression 43.1 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 26.3 kB or 38% of the original size.

CSS Optimization

-84%

Potential reduce by 60.6 kB

  • Original 71.7 kB
  • After minification 59.3 kB
  • After compression 11.2 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. Cooori.com needs all CSS files to be minified and compressed as it can save up to 60.6 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

30

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cooori. According to our analytics all requests are already optimized.

Network Requests Diagram

295 ms

font-awesome.min.css

font-awesome.min.css

7 ms

css

css

40 ms

jquery.min.js

jquery.min.js

39 ms

mobile.js

mobile.js

284 ms

front.css

front.css

583 ms

bootstrap.min.js

bootstrap.min.js

21 ms

cooori-primary-logo.svg

cooori-primary-logo.svg

147 ms

daiichi.png

daiichi.png

151 ms

jallogo.png

jallogo.png

292 ms

NK-logo.png

NK-logo.png

436 ms

arrow-button-white.png

arrow-button-white.png

293 ms

cooori-yellow.svg

cooori-yellow.svg

436 ms

arrow-white-icon.png

arrow-white-icon.png

147 ms

mobile-icon.png

mobile-icon.png

151 ms

cooori-main-bg.jpg

cooori-main-bg.jpg

1169 ms

contact-file-icon.png

contact-file-icon.png

148 ms

arrow-icon.png

arrow-icon.png

222 ms

top-devices.png

top-devices.png

1241 ms

icon-program.png

icon-program.png

292 ms

icon-flow.png

icon-flow.png

293 ms

icon-price.png

icon-price.png

301 ms

icon-guarantee.png

icon-guarantee.png

367 ms

system-screens.png

system-screens.png

728 ms

system-brain.png

system-brain.png

728 ms

system-counseling.png

system-counseling.png

1048 ms

system-mobile.png

system-mobile.png

984 ms

contact-people.png

contact-people.png

1751 ms

flow-people.png

flow-people.png

1750 ms

facebook.png

facebook.png

1130 ms

twitter.png

twitter.png

1198 ms

Accessibility Review

cooori.com accessibility score

96

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.

Best Practices

cooori.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cooori.com SEO score

100

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cooori.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Cooori.com 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

cooori.com

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