Tools & Wizards About Us
kenschool.jp screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

kenschool.jp

パソコンスクール・ITスクール｜資格と就職に強い【KENスクール】

Page Load Speed

14.4 sec in total

First Response

1.2 sec

Resources Loaded

12.9 sec

Page Rendered

369 ms

kenschool.jp screenshot

About Website

Visit kenschool.jp now to see the best up-to-date Kenschool content for Japan and also check out these interesting facts you probably never knew about kenschool.jp

パソコンスクール・ITスクールなら、資格・就職・転職に強いKENスクール。無料体験実施中！東京を中心に全国に教室を運営。全て駅チカ便利です。個別授業で初心者も安心、学生や社会人も多数在籍中。資格試験合格制度などスキルアップのサポートも充実！

Visit kenschool.jp

Key Findings

We analyzed Kenschool.jp page load time and found that the first response time was 1.2 sec and then it took 13.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kenschool.jp performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.645

9/100

15%

TTI (Time to Interactive)

Value24.3 s

0/100

10%

Network Requests Diagram

kenschool.jp

1163 ms

www.kenschool.jp

1287 ms

css2

40 ms

font-awesome.css

41 ms

style.css

1395 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 71% of them (40 requests) were addressed to the original Kenschool.jp, 7% (4 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (9 sec) belongs to the original domain Kenschool.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 550.3 kB (7%)

Content Size

7.6 MB

After Optimization

7.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kenschool.jp main page is 7.6 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. 80% 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 7.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 46.7 kB

  • Original 55.9 kB
  • After minification 43.2 kB
  • After compression 9.1 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. This page needs HTML code to be minified as it can gain 12.7 kB, which is 23% 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 46.7 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 473.2 kB

  • Original 7.4 MB
  • After minification 6.9 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. Kenschool images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 4.0 kB

  • Original 50.7 kB
  • After minification 50.7 kB
  • After compression 46.6 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

-43%

Potential reduce by 26.3 kB

  • Original 61.4 kB
  • After minification 61.4 kB
  • After compression 35.0 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. Kenschool.jp needs all CSS files to be minified and compressed as it can save up to 26.3 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (29%)

Requests Now

52

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kenschool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kenschool.jp

kenschool.jp

1163 ms

www.kenschool.jp

www.kenschool.jp

1287 ms

css2

css2

40 ms

font-awesome.css

font-awesome.css

41 ms

style.css

style.css

1395 ms

jquery.min.js

jquery.min.js

21 ms

common.js

common.js

522 ms

slick.css

slick.css

532 ms

slick-theme.css

slick-theme.css

537 ms

slick.min.js

slick.min.js

897 ms

topPage.js

topPage.js

556 ms

gtm.js

gtm.js

199 ms

logo.png

logo.png

983 ms

ico_blank.png

ico_blank.png

825 ms

bnr_webcp.jpg

bnr_webcp.jpg

2407 ms

skill_up_bnr.jpg

skill_up_bnr.jpg

2108 ms

bnr-system_mos.jpg

bnr-system_mos.jpg

1997 ms

bnr-system_counseling.jpg

bnr-system_counseling.jpg

2348 ms

bnr_sns.jpg

bnr_sns.jpg

3014 ms

bnr_pg.png

bnr_pg.png

2830 ms

pic-topCourse_web.jpg

pic-topCourse_web.jpg

3580 ms

pic-topCourse_pg.jpg

pic-topCourse_pg.jpg

3508 ms

pic-topCourse_oa.jpg

pic-topCourse_oa.jpg

3753 ms

pic-topCourse_net.jpg

pic-topCourse_net.jpg

4045 ms

pic-topCourse_cad.jpg

pic-topCourse_cad.jpg

4602 ms

pic-topCourse_dx.jpg

pic-topCourse_dx.jpg

4525 ms

img-topics_wbcp.jpg

img-topics_wbcp.jpg

5247 ms

excel_4.jpg

excel_4.jpg

5768 ms

img-topics_excel.jpg

img-topics_excel.jpg

5264 ms

bnr-topics_pg.jpg

bnr-topics_pg.jpg

5928 ms

img-topics_dx.jpg

img-topics_dx.jpg

6350 ms

img-topics_recruit.jpg

img-topics_recruit.jpg

6205 ms

img-topics_01.jpg

img-topics_01.jpg

6767 ms

img-topics_hojin.jpg

img-topics_hojin.jpg

7053 ms

img-topics_08.jpg

img-topics_08.jpg

7539 ms

img-topics_13.png

img-topics_13.png

7607 ms

img-topics_10.jpg

img-topics_10.jpg

7890 ms

img-topics_12.jpg

img-topics_12.jpg

8032 ms

bnr_01.jpg

bnr_01.jpg

8364 ms

bnr_education.jpg

bnr_education.jpg

8937 ms

bnr_education_sp.jpg

bnr_education_sp.jpg

8944 ms

iso.jpg

iso.jpg

8956 ms

font

font

111 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

74 ms

ajax-loader.gif

ajax-loader.gif

8219 ms

slick.woff

slick.woff

8398 ms

js

js

55 ms

js

js

231 ms

destination

destination

222 ms

ytag.js

ytag.js

887 ms

k5n98e2int

k5n98e2int

219 ms

clarity.js

clarity.js

31 ms

oct.js

oct.js

17 ms

adsct

adsct

180 ms

adsct

adsct

140 ms

c.gif

c.gif

6 ms

Accessibility Review

kenschool.jp accessibility score

76

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

Links do not have a discernible name

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

kenschool.jp 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

kenschool.jp SEO score

91

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

    JA

  • Encoding

    UTF-8

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

kenschool.jp

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