Tools & Wizards About Us
sikaku.gr.jp screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

sikaku.gr.jp

資格検定のサーティファイ｜あなたのスキルアップを応援します

Page Load Speed

12.2 sec in total

First Response

362 ms

Resources Loaded

11.4 sec

Page Rendered

437 ms

sikaku.gr.jp screenshot

About Website

Click here to check amazing Sikaku content for Japan. Otherwise, check out these important facts you probably never knew about sikaku.gr.jp

サーティファイでは、ICT基礎能力やコミュニケーション能力などエンプロイアビリティを高め自信へつなげていくことができる様々な資格検定試験を主催しています。検定開発などの協業をご希望の企業様や、コンテンツをお探しの教育系スタートアップの方は是非お気軽にお問い合わせください。

Visit sikaku.gr.jp

Key Findings

We analyzed Sikaku.gr.jp page load time and found that the first response time was 362 ms and then it took 11.8 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

sikaku.gr.jp performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value2,260 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.687

7/100

15%

TTI (Time to Interactive)

Value20.1 s

2/100

10%

Network Requests Diagram

sikaku.gr.jp

362 ms

www.sikaku.gr.jp

936 ms

style.css

824 ms

jquery.min.js

832 ms

jquery-ui.min.js

667 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 81% of them (91 requests) were addressed to the original Sikaku.gr.jp, 4% (4 requests) were made to Googletagmanager.com and 3% (3 requests) were made to Clarity.ms. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Sikaku.gr.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 479.7 kB (15%)

Content Size

3.2 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sikaku.gr.jp main page is 3.2 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. 55% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.5 kB

  • Original 55.3 kB
  • After minification 51.2 kB
  • After compression 9.9 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. 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 45.5 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 87.2 kB

  • Original 2.6 MB
  • After minification 2.6 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. Sikaku images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 180.8 kB

  • Original 301.9 kB
  • After minification 270.0 kB
  • After compression 121.1 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 180.8 kB or 60% of the original size.

CSS Optimization

-84%

Potential reduce by 166.2 kB

  • Original 197.6 kB
  • After minification 195.0 kB
  • After compression 31.4 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. Sikaku.gr.jp needs all CSS files to be minified and compressed as it can save up to 166.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (47%)

Requests Now

109

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sikaku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sikaku.gr.jp

sikaku.gr.jp

362 ms

www.sikaku.gr.jp

www.sikaku.gr.jp

936 ms

style.css

style.css

824 ms

jquery.min.js

jquery.min.js

832 ms

jquery-ui.min.js

jquery-ui.min.js

667 ms

jquery.bxslider.js

jquery.bxslider.js

845 ms

jquery.simplyscroll.js

jquery.simplyscroll.js

502 ms

jQueryAutoHeight.js

jQueryAutoHeight.js

743 ms

function.js

function.js

1012 ms

brand

brand

24 ms

brandjs.js

brandjs.js

22 ms

3469216.js

3469216.js

48 ms

web_widget.js

web_widget.js

681 ms

web_widget.css

web_widget.css

687 ms

gtm.js

gtm.js

106 ms

head_06.png

head_06.png

496 ms

head_18.png

head_18.png

543 ms

head_04.png

head_04.png

544 ms

head_05.png

head_05.png

544 ms

btn_05.png

btn_05.png

541 ms

head_01.png

head_01.png

706 ms

icon_97.jpg

icon_97.jpg

987 ms

icon_95.jpg

icon_95.jpg

1035 ms

icon_111.png

icon_111.png

1040 ms

head_14.jpg

head_14.jpg

1206 ms

mainimg30.png

mainimg30.png

1376 ms

mainimg33.png

mainimg33.png

1859 ms

mainimg28.jpg

mainimg28.jpg

2325 ms

mainimg21.jpg

mainimg21.jpg

2196 ms

mainimg3-3.jpg

mainimg3-3.jpg

2193 ms

top_06.png

top_06.png

1705 ms

top_07.png

top_07.png

1870 ms

top_slide08.png

top_slide08.png

2868 ms

top_slide02.png

top_slide02.png

3014 ms

top_slide03_a.png

top_slide03_a.png

3033 ms

top_slide04.png

top_slide04.png

3183 ms

top_slide05.png

top_slide05.png

3360 ms

top_slide06.png

top_slide06.png

3494 ms

top_slide07.png

top_slide07.png

4027 ms

foot_06.png

foot_06.png

3677 ms

foot_02.png

foot_02.png

3528 ms

foot_07.png

foot_07.png

3851 ms

foot_08.png

foot_08.png

4026 ms

foot_03.png

foot_03.png

4161 ms

foot_04.png

foot_04.png

4194 ms

foot_05.png

foot_05.png

4178 ms

bn_09.jpg

bn_09.jpg

4682 ms

bn_02.jpg

bn_02.jpg

4688 ms

bn_03.jpg

bn_03.jpg

4524 ms

bn_05.jpg

bn_05.jpg

4661 ms

bn_07_2.jpg

bn_07_2.jpg

4659 ms

branding.png

branding.png

67 ms

js

js

51 ms

destination

destination

197 ms

analytics.js

analytics.js

192 ms

destination

destination

162 ms

bat.js

bat.js

272 ms

cam3.js

cam3.js

484 ms

fbevents.js

fbevents.js

238 ms

j4j7ko2rb9

j4j7ko2rb9

275 ms

collect

collect

39 ms

collect

collect

20 ms

343023516.js

343023516.js

11 ms

bn_08.gif

bn_08.gif

4202 ms

clarity.js

clarity.js

15 ms

343023516

343023516

32 ms

bn_05.jpg

bn_05.jpg

4484 ms

foot_01.png

foot_01.png

4624 ms

icon_05.png

icon_05.png

4635 ms

gnavi_04.png

gnavi_04.png

4636 ms

create_new_id

create_new_id

297 ms

bg_05.png

bg_05.png

4487 ms

bg_06.png

bg_06.png

4208 ms

bg_07.png

bg_07.png

4487 ms

icon_02.png

icon_02.png

4625 ms

icon_06.png

icon_06.png

4469 ms

icon_21.png

icon_21.png

4301 ms

icon_106.png

icon_106.png

3987 ms

icon_24.png

icon_24.png

3834 ms

icon_112.png

icon_112.png

4149 ms

icon_114.png

icon_114.png

3968 ms

icon_07.png

icon_07.png

3980 ms

icon_08.png

icon_08.png

3854 ms

icon_09.png

icon_09.png

3318 ms

icon_10.png

icon_10.png

3175 ms

icon_11.png

icon_11.png

3482 ms

icon_12.png

icon_12.png

3473 ms

icon_25.png

icon_25.png

3307 ms

icon_26.png

icon_26.png

3183 ms

icon_107.png

icon_107.png

3158 ms

icon_29.png

icon_29.png

3007 ms

icon_15.png

icon_15.png

3161 ms

icon_16.png

icon_16.png

3128 ms

icon_17.png

icon_17.png

3143 ms

icon_18.png

icon_18.png

3016 ms

icon_19.png

icon_19.png

3009 ms

icon_20.png

icon_20.png

2993 ms

icon_89.png

icon_89.png

2984 ms

icon_90.png

icon_90.png

2989 ms

icon_101.png

icon_101.png

2994 ms

icon_102.png

icon_102.png

2992 ms

icon_103.png

icon_103.png

3000 ms

icon_93.png

icon_93.png

2991 ms

bg_03.png

bg_03.png

2983 ms

bg_01.png

bg_01.png

2987 ms

icon_72.png

icon_72.png

2994 ms

icon_73.png

icon_73.png

2996 ms

icon_13.png

icon_13.png

3000 ms

icon_14.png

icon_14.png

3000 ms

icon_03.png

icon_03.png

2996 ms

icon_04.png

icon_04.png

2988 ms

style-sp.css

style-sp.css

574 ms

c.gif

c.gif

7 ms

Accessibility Review

sikaku.gr.jp accessibility score

89

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

sikaku.gr.jp best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sikaku.gr.jp SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Sikaku.gr.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 Sikaku.gr.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

sikaku.gr.jp

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