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com-ac.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

com-ac.com

コミュニケーションアカデミー

Page Load Speed

6.2 sec in total

First Response

1.6 sec

Resources Loaded

4.5 sec

Page Rendered

141 ms

com-ac.com screenshot

About Website

Welcome to com-ac.com homepage info - get ready to check Com Ac best content right away, or after learning these important things about com-ac.com

EQ（Emotional Intelligence Quotient）理論をベースに、コミュニケーションスキルやヒューマンスキルの向上まで視野に入れたトレーニングやコーチングにより、一人ひとりの元気を生み育てます。コンサルティングも行っております。

Visit com-ac.com

Key Findings

We analyzed Com-ac.com page load time and found that the first response time was 1.6 sec and then it took 4.7 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

com-ac.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

com-ac.com

1559 ms

emx_nav_left.css

317 ms

bg_grad.jpg

164 ms

title.gif

346 ms

glbnav_background.gif

358 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Com-ac.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Com-ac.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.1 kB (17%)

Content Size

105.4 kB

After Optimization

87.3 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Com-ac.com main page is 105.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 88.9 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 6.3 kB

  • Original 9.6 kB
  • After minification 8.9 kB
  • After compression 3.3 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 6.3 kB or 66% of the original size.

Image Optimization

-7%

Potential reduce by 6.1 kB

  • Original 88.9 kB
  • After minification 82.8 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. Com Ac images are well optimized though.

CSS Optimization

-82%

Potential reduce by 5.7 kB

  • Original 7.0 kB
  • After minification 4.3 kB
  • After compression 1.2 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. Com-ac.com needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Com Ac. According to our analytics all requests are already optimized.

Network Requests Diagram

com-ac.com

com-ac.com

1559 ms

emx_nav_left.css

emx_nav_left.css

317 ms

bg_grad.jpg

bg_grad.jpg

164 ms

title.gif

title.gif

346 ms

glbnav_background.gif

glbnav_background.gif

358 ms

img-back.jpg

img-back.jpg

2785 ms

Accessibility Review

com-ac.com accessibility score

87

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.

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

Best Practices

com-ac.com 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

com-ac.com SEO score

89

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

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

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Com-ac.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Com-ac.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

com-ac.com

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