Tools & Wizards About Us
jukenki.com screenshot

Report Summary

  • 0

    Performance

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

jukenki.com

DOMAIN ERROR

Page Load Speed

5.1 sec in total

First Response

752 ms

Resources Loaded

3.9 sec

Page Rendered

452 ms

jukenki.com screenshot

About Website

Click here to check amazing Jukenki content for Japan. Otherwise, check out these important facts you probably never knew about jukenki.com

IT系資格の受験記を掲載。MCP、CCNA、ORACLE、LPIC。暇問(無料問題集)。

Visit jukenki.com

Key Findings

We analyzed Jukenki.com page load time and found that the first response time was 752 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

jukenki.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value760 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.383

27/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

jukenki.com

752 ms

list.html

177 ms

jtop.html

506 ms

html5reset.css

270 ms

common.css

353 ms

Our browser made a total of 185 requests to load all elements on the main page. We found that 10% of them (19 requests) were addressed to the original Jukenki.com, 68% (125 requests) were made to Images-jp.amazon.com and 4% (8 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Jukenki.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 344.8 kB (37%)

Content Size

942.3 kB

After Optimization

597.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jukenki.com main page is 942.3 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. 55% of websites need less resources to load. Images take 434.0 kB which makes up the majority of the site volume.

HTML Optimization

-35%

Potential reduce by 211 B

  • Original 601 B
  • After minification 597 B
  • After compression 390 B

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 211 B or 35% of the original size.

Image Optimization

-3%

Potential reduce by 12.6 kB

  • Original 434.0 kB
  • After minification 421.4 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. Jukenki images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 187.5 kB

  • Original 347.9 kB
  • After minification 347.7 kB
  • After compression 160.4 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 187.5 kB or 54% of the original size.

CSS Optimization

-90%

Potential reduce by 144.5 kB

  • Original 159.8 kB
  • After minification 146.4 kB
  • After compression 15.3 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. Jukenki.com needs all CSS files to be minified and compressed as it can save up to 144.5 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (15%)

Requests Now

182

After Optimization

155

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 182 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jukenki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jukenki.com

jukenki.com

752 ms

list.html

list.html

177 ms

jtop.html

jtop.html

506 ms

html5reset.css

html5reset.css

270 ms

common.css

common.css

353 ms

display.css

display.css

705 ms

style.css

style.css

537 ms

contents.css

contents.css

540 ms

jquery.js

jquery.js

1158 ms

adsbygoogle.js

adsbygoogle.js

7 ms

rakuten_widget.js

rakuten_widget.js

1024 ms

c6f057b86584942e415435ffb1fa93d4.js

c6f057b86584942e415435ffb1fa93d4.js

301 ms

side_base_bg.png

side_base_bg.png

181 ms

home_title_bg.png

home_title_bg.png

186 ms

li.gif

li.gif

192 ms

ca-pub-6261354068524545.js

ca-pub-6261354068524545.js

49 ms

zrt_lookup.html

zrt_lookup.html

41 ms

show_ads_impl.js

show_ads_impl.js

56 ms

mtwidget04.affiliate.rakuten.co.jp

mtwidget04.affiliate.rakuten.co.jp

664 ms

adv.js

adv.js

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ads

ads

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osd.js

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ads

ads

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65 ms

s

s

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bgt

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0.gif

0.gif

569 ms

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27 ms

ads

ads

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book10.txt

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news.txt

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book.txt

book.txt

834 ms

2530

2530

58 ms

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110 ms

pc_pcview_all.css

pc_pcview_all.css

41 ms

front_merged.js

front_merged.js

21 ms

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547 ms

getMWConf.php

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loading.gif

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buttons.gif

buttons.gif

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Accessibility Review

jukenki.com accessibility score

75

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

Best Practices

jukenki.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

SEO Factors

jukenki.com SEO score

73

Search Engine Optimization Advices

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 Jukenki.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 Jukenki.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

jukenki.com

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