Tools & Wizards About Us
itsiken.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

itsiken.com

情報処理技術者試験の勉強(過去問題)をやり直し　−ITパスポート、情報セキュリティマネジメント、基本情報技術者、応用情報技術者、情報処理安全確保支援士・高度試験の過去問題の解説−

Page Load Speed

22.8 sec in total

First Response

584 ms

Resources Loaded

21.9 sec

Page Rendered

251 ms

itsiken.com screenshot

About Website

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

ITパスポート、情報セキュリティマネジメント、基本情報技術者、応用情報技術者(午前)、高度試験(午前I、II)の過去問題をすべて解説

Visit itsiken.com

Key Findings

We analyzed Itsiken.com page load time and found that the first response time was 584 ms and then it took 22.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

itsiken.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value2,080 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

itsiken.com

584 ms

itsiken.com

797 ms

MyStyle.css

209 ms

plusone.js

35 ms

gen.js

55 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 13% of them (6 requests) were addressed to the original Itsiken.com, 13% (6 requests) were made to Apis.google.com and 11% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Assoc-amazon.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.2 kB (14%)

Content Size

421.4 kB

After Optimization

363.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Itsiken.com main page is 421.4 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. Javascripts take 308.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 47.9 kB

  • Original 60.1 kB
  • After minification 52.8 kB
  • After compression 12.3 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. This page needs HTML code to be minified as it can gain 7.3 kB, which is 12% 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 47.9 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 104 B

  • Original 42.4 kB
  • After minification 42.3 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. Itsiken images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 6.9 kB

  • Original 308.1 kB
  • After minification 307.9 kB
  • After compression 301.2 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

-31%

Potential reduce by 3.4 kB

  • Original 10.7 kB
  • After minification 10.7 kB
  • After compression 7.4 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. Itsiken.com needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (49%)

Requests Now

39

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itsiken. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

itsiken.com

itsiken.com

584 ms

itsiken.com

itsiken.com

797 ms

MyStyle.css

MyStyle.css

209 ms

plusone.js

plusone.js

35 ms

gen.js

gen.js

55 ms

requestform.js

requestform.js

74 ms

cse.js

cse.js

61 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

109 ms

5157-1340970374-3.jpg

5157-1340970374-3.jpg

692 ms

0159575Y

0159575Y

810 ms

bgt

bgt

886 ms

0.gif

0.gif

722 ms

bgt

bgt

896 ms

0.gif

0.gif

684 ms

0.gif

0.gif

760 ms

0.gif

0.gif

745 ms

bgt

bgt

1005 ms

gifbanner

gifbanner

640 ms

0.gif

0.gif

731 ms

bgt

bgt

850 ms

ir

ir

20308 ms

0.gif

0.gif

746 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

92 ms

fastbutton

fastbutton

88 ms

L271649I

L271649I

781 ms

p1592074

p1592074

802 ms

7375-1474111200-3.gif

7375-1474111200-3.gif

669 ms

0.gif

0.gif

723 ms

0.gif

0.gif

731 ms

head.jpg

head.jpg

301 ms

new.gif

new.gif

432 ms

itsiken.gif

itsiken.gif

633 ms

cse_element__en.js

cse_element__en.js

214 ms

default+en.css

default+en.css

299 ms

default.css

default.css

323 ms

postmessageRelay

postmessageRelay

244 ms

developers.google.com

developers.google.com

2372 ms

async-ads.js

async-ads.js

85 ms

branding.png

branding.png

45 ms

clear.png

clear.png

11 ms

3636781319-postmessagerelay.js

3636781319-postmessagerelay.js

34 ms

rpc:shindig_random.js

rpc:shindig_random.js

11 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

6 ms

468x60_5.jpg

468x60_5.jpg

1411 ms

1x1.gif

1x1.gif

30 ms

Accessibility Review

itsiken.com accessibility score

100

Accessibility Issues

Best Practices

itsiken.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

itsiken.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

    JA

  • Encoding

    SHIFT_JIS

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

itsiken.com

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