Tools & Wizards About Us
sikaku.gr.jp screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 89

    SEO

    Google-friendlier than
    67% 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

7.9 sec in total

First Response

794 ms

Resources Loaded

6.5 sec

Page Rendered

679 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 794 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

sikaku.gr.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.274

44/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

sikaku.gr.jp

794 ms

style.css

514 ms

jquery.min.js

914 ms

jquery-ui.min.js

550 ms

jquery.bxslider.js

557 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 94% of them (100 requests) were addressed to the original Sikaku.gr.jp, 2% (2 requests) were made to Google.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Sikaku.gr.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 455.4 kB (10%)

Content Size

4.4 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sikaku.gr.jp main page is 4.4 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. 50% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 48.8 kB

  • Original 57.0 kB
  • After minification 51.9 kB
  • After compression 8.2 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 48.8 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 90.9 kB

  • Original 3.9 MB
  • After minification 3.8 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

-70%

Potential reduce by 168.0 kB

  • Original 239.0 kB
  • After minification 209.5 kB
  • After compression 71.0 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 168.0 kB or 70% of the original size.

CSS Optimization

-88%

Potential reduce by 147.7 kB

  • Original 168.1 kB
  • After minification 120.7 kB
  • After compression 20.4 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 147.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (39%)

Requests Now

103

After Optimization

63

  • Images
  • JavaScript
  • CSS

The browser has sent 103 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sikaku.gr.jp

sikaku.gr.jp

794 ms

style.css

style.css

514 ms

jquery.min.js

jquery.min.js

914 ms

jquery-ui.min.js

jquery-ui.min.js

550 ms

jquery.bxslider.js

jquery.bxslider.js

557 ms

jquery.simplyscroll.js

jquery.simplyscroll.js

387 ms

jQueryAutoHeight.js

jQueryAutoHeight.js

392 ms

function.js

function.js

581 ms

brand

brand

14 ms

brand

brand

62 ms

analytics.js

analytics.js

233 ms

head_06.png

head_06.png

516 ms

head_02.png

head_02.png

243 ms

head_03.png

head_03.png

243 ms

head_04.png

head_04.png

242 ms

head_05.png

head_05.png

366 ms

btn_05.png

btn_05.png

243 ms

head_01.png

head_01.png

779 ms

icon_97.jpg

icon_97.jpg

407 ms

icon_96.jpg

icon_96.jpg

421 ms

icon_95.jpg

icon_95.jpg

418 ms

icon_94.jpg

icon_94.jpg

548 ms

mainimg1.jpg

mainimg1.jpg

1313 ms

mainimg2.jpg

mainimg2.jpg

2532 ms

mainimg3.jpg

mainimg3.jpg

2371 ms

mainimg4.jpg

mainimg4.jpg

1542 ms

mainimg5.jpg

mainimg5.jpg

2369 ms

mainimg6.jpg

mainimg6.jpg

2108 ms

top_06.png

top_06.png

1495 ms

top_07.png

top_07.png

1676 ms

top_slide01.png

top_slide01.png

1885 ms

top_slide02.png

top_slide02.png

2401 ms

top_slide03.png

top_slide03.png

2228 ms

top_slide04.png

top_slide04.png

2477 ms

top_slide05.png

top_slide05.png

2572 ms

top_slide06.png

top_slide06.png

2733 ms

top_slide07.png

top_slide07.png

2760 ms

foot_06.png

foot_06.png

2581 ms

foot_02.png

foot_02.png

2663 ms

foot_07.png

foot_07.png

2720 ms

foot_08.png

foot_08.png

2743 ms

foot_03.png

foot_03.png

2762 ms

foot_04.png

foot_04.png

2846 ms

foot_05.png

foot_05.png

2913 ms

icon_43.png

icon_43.png

2914 ms

voice_01.png

voice_01.png

2915 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

200 ms

voice_bc.jpg

voice_bc.jpg

2742 ms

collect

collect

13 ms

voice_th.jpg

voice_th.jpg

2710 ms

js_06.jpg

js_06.jpg

2799 ms

voice_js.jpg

voice_js.jpg

2873 ms

bn_01.jpg

bn_01.jpg

3042 ms

collect

collect

56 ms

bn_02.jpg

bn_02.jpg

2731 ms

bn_03.jpg

bn_03.jpg

2726 ms

bn_04.jpg

bn_04.jpg

2738 ms

bn_05.jpg

bn_05.jpg

2804 ms

bn_07.gif

bn_07.gif

2754 ms

bn_08.gif

bn_08.gif

2760 ms

bn_05.jpg

bn_05.jpg

2540 ms

foot_01.png

foot_01.png

2030 ms

icon_05.png

icon_05.png

1913 ms

gnavi_02.png

gnavi_02.png

1897 ms

bg_05.png

bg_05.png

1789 ms

bg_06.png

bg_06.png

1605 ms

bg_07.png

bg_07.png

1386 ms

icon_02.png

icon_02.png

1317 ms

icon_06.png

icon_06.png

1224 ms

icon_21.png

icon_21.png

1241 ms

icon_22.png

icon_22.png

1248 ms

icon_23.png

icon_23.png

1198 ms

icon_24.png

icon_24.png

1160 ms

icon_07.png

icon_07.png

1170 ms

icon_08.png

icon_08.png

1192 ms

icon_09.png

icon_09.png

1118 ms

icon_10.png

icon_10.png

1109 ms

icon_11.png

icon_11.png

1125 ms

icon_12.png

icon_12.png

1137 ms

icon_25.png

icon_25.png

1178 ms

icon_26.png

icon_26.png

1200 ms

icon_27.png

icon_27.png

1105 ms

icon_28.png

icon_28.png

1097 ms

icon_29.png

icon_29.png

1121 ms

icon_15.png

icon_15.png

1155 ms

icon_16.png

icon_16.png

1189 ms

icon_17.png

icon_17.png

1168 ms

icon_18.png

icon_18.png

1113 ms

icon_19.png

icon_19.png

1106 ms

icon_20.png

icon_20.png

1112 ms

icon_89.png

icon_89.png

1141 ms

icon_90.png

icon_90.png

1144 ms

icon_101.png

icon_101.png

1109 ms

icon_102.png

icon_102.png

1069 ms

icon_103.png

icon_103.png

1099 ms

icon_93.png

icon_93.png

1090 ms

icon_40.png

icon_40.png

1143 ms

bg_03.png

bg_03.png

1120 ms

bg_01.png

bg_01.png

1120 ms

icon_72.png

icon_72.png

1081 ms

icon_73.png

icon_73.png

1099 ms

icon_13.png

icon_13.png

1094 ms

icon_14.png

icon_14.png

1159 ms

icon_03.png

icon_03.png

1094 ms

icon_04.png

icon_04.png

1113 ms

style-sp.css

style-sp.css

177 ms

Accessibility Review

sikaku.gr.jp accessibility score

93

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

75

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

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: