Tools & Wizards About Us
shizecon.net screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

shizecon.net

自由研究｜自然科学観察コンクール（シゼコン）

Page Load Speed

7.3 sec in total

First Response

524 ms

Resources Loaded

6.4 sec

Page Rendered

318 ms

shizecon.net screenshot

About Website

Click here to check amazing Shizecon content for Japan. Otherwise, check out these important facts you probably never knew about shizecon.net

シゼコンは、昭和35年から毎年、全国の小・中学生を対象に自由研究の作品を募集している伝統ある理科自由研究コンクールです。過去の入賞作品の検索アーカイブや自由研究を進めるためのヒントなど、子供たちの科学する心を育てるための様々な情報を紹介しています。

Visit shizecon.net

Key Findings

We analyzed Shizecon.net page load time and found that the first response time was 524 ms and then it took 6.8 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

shizecon.net performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

shizecon.net

524 ms

shizecon.net

1030 ms

gtm.js

60 ms

jquery.bxslider.css

366 ms

animate.css

985 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 87% of them (95 requests) were addressed to the original Shizecon.net, 3% (3 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Shizecon.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (37%)

Content Size

4.3 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shizecon.net main page is 4.3 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. 65% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 46.6 kB

  • Original 56.7 kB
  • After minification 49.6 kB
  • After compression 10.1 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 7.1 kB, which is 13% 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 46.6 kB or 82% of the original size.

Image Optimization

-24%

Potential reduce by 805.4 kB

  • Original 3.3 MB
  • After minification 2.5 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. Obviously, Shizecon needs image optimization as it can save up to 805.4 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 285.2 kB

  • Original 453.9 kB
  • After minification 373.0 kB
  • After compression 168.7 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 285.2 kB or 63% of the original size.

CSS Optimization

-90%

Potential reduce by 475.5 kB

  • Original 528.3 kB
  • After minification 409.9 kB
  • After compression 52.9 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. Shizecon.net needs all CSS files to be minified and compressed as it can save up to 475.5 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (30%)

Requests Now

107

After Optimization

75

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shizecon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shizecon.net

shizecon.net

524 ms

shizecon.net

shizecon.net

1030 ms

gtm.js

gtm.js

60 ms

jquery.bxslider.css

jquery.bxslider.css

366 ms

animate.css

animate.css

985 ms

slick.css

slick.css

497 ms

slick-theme.css

slick-theme.css

529 ms

style.css

style.css

1772 ms

style_hint.css

style_hint.css

540 ms

style_interview.css

style_interview.css

562 ms

jquery.mCustomScrollbar.css

jquery.mCustomScrollbar.css

986 ms

jquery-2.2.3.min.js

jquery-2.2.3.min.js

1222 ms

js

js

46 ms

fastclick.js

fastclick.js

515 ms

jquery.bxslider.js

jquery.bxslider.js

924 ms

wow.min.js

wow.min.js

692 ms

jquery.collapser.min.js

jquery.collapser.min.js

867 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

1108 ms

slick.js

slick.js

1109 ms

common.js

common.js

1043 ms

index.js

index.js

1111 ms

logo_szcn.svg

logo_szcn.svg

188 ms

logo_orympus.svg

logo_orympus.svg

256 ms

text_icon_menu.png

text_icon_menu.png

328 ms

btn_line.png

btn_line.png

190 ms

btn_facebook.png

btn_facebook.png

189 ms

btn_twitter.png

btn_twitter.png

167 ms

keyvisual_top_64.png

keyvisual_top_64.png

982 ms

OlympusAward_Renewal_bnr_PC.jpg

OlympusAward_Renewal_bnr_PC.jpg

2101 ms

select10_pc.png

select10_pc.png

871 ms

senior_pc.png

senior_pc.png

883 ms

hint_pc.png

hint_pc.png

750 ms

keyvisual_top_64_sp.png

keyvisual_top_64_sp.png

978 ms

OlympusAward_Renewal_bnr_SP.jpg

OlympusAward_Renewal_bnr_SP.jpg

1688 ms

select10_sp.png

select10_sp.png

1045 ms

senior_sp.png

senior_sp.png

1061 ms

hint_sp.png

hint_sp.png

1141 ms

ico_link_arrow.png

ico_link_arrow.png

1141 ms

bnr_diagnosis.png

bnr_diagnosis.png

1393 ms

banner_pickup_diagnosis.png

banner_pickup_diagnosis.png

1240 ms

banner_winner_decision_common_announcement.png

banner_winner_decision_common_announcement.png

1466 ms

title_search.png

title_search.png

1304 ms

title_search.png

title_search.png

1417 ms

icon_seach.png

icon_seach.png

1467 ms

title_osusume.png

title_osusume.png

1567 ms

title_osusume.png

title_osusume.png

1594 ms

es_kasaku5_2.jpg

es_kasaku5_2.jpg

1631 ms

513_thum.jpg

513_thum.jpg

1631 ms

title_pickup.png

title_pickup.png

1741 ms

title_pickup.png

title_pickup.png

1770 ms

banner_pickup_select_10.png

banner_pickup_select_10.png

1794 ms

img_kikkake.png

img_kikkake.png

1794 ms

img_manual.png

img_manual.png

1873 ms

img_bag.png

img_bag.png

1914 ms

img_kikkake.png

img_kikkake.png

1947 ms

img_manual.png

img_manual.png

1956 ms

widgets.js

widgets.js

99 ms

img_bag.png

img_bag.png

1908 ms

sdk.js

sdk.js

40 ms

analytics.js

analytics.js

22 ms

iframe_api

iframe_api

55 ms

collect

collect

28 ms

sdk.js

sdk.js

5 ms

140 ms

collect

collect

47 ms

js

js

64 ms

www-widgetapi.js

www-widgetapi.js

34 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

114 ms

title_s_contents.png

title_s_contents.png

1898 ms

title_s_contents.png

title_s_contents.png

1905 ms

banner_intarvew04.png

banner_intarvew04.png

1939 ms

banner_archives.png

banner_archives.png

1867 ms

movie_thum.jpg

movie_thum.jpg

1867 ms

settings

settings

68 ms

banner_youtube.png

banner_youtube.png

1926 ms

banner_intarvew.png

banner_intarvew.png

1690 ms

banner_intarvew02.png

banner_intarvew02.png

1406 ms

banner_intarvew03.png

banner_intarvew03.png

1566 ms

banner_mailmagazine.png

banner_mailmagazine.png

1305 ms

banner_mailmagazine_sp.png

banner_mailmagazine_sp.png

1319 ms

footer_logo_mainichi.png

footer_logo_mainichi.png

1396 ms

footer_logo_shizen.png

footer_logo_shizen.png

1393 ms

footer_logo_monbu.png

footer_logo_monbu.png

1313 ms

footer_logo_olympus.png

footer_logo_olympus.png

1340 ms

footer_logo_wakuwaku.png

footer_logo_wakuwaku.png

1375 ms

footer_logo_kagaku.png

footer_logo_kagaku.png

1324 ms

footer_logo_olympusMuseum_sp.jpg

footer_logo_olympusMuseum_sp.jpg

1218 ms

footer_OKC_SP.jpg

footer_OKC_SP.jpg

1197 ms

btn_top.png

btn_top.png

1160 ms

icon_footer_1.png

icon_footer_1.png

1190 ms

footer_icon_2.png

footer_icon_2.png

1207 ms

footer_logo_wakuwaku.png

footer_logo_wakuwaku.png

1183 ms

footer_logo_kagaku.png

footer_logo_kagaku.png

1157 ms

footer_logo_olympusMuseum_pc.png

footer_logo_olympusMuseum_pc.png

1170 ms

footer_OKC_PC.jpg

footer_OKC_PC.jpg

1130 ms

logo_orympus.png

logo_orympus.png

1093 ms

btn_entry.png

btn_entry.png

1167 ms

btn_facebook.png

btn_facebook.png

1146 ms

btn_twitter.png

btn_twitter.png

1167 ms

btn_line.png

btn_line.png

1104 ms

modal_btn_close.png

modal_btn_close.png

1087 ms

modal_title_about.png

modal_title_about.png

1063 ms

modal_btn_what.png

modal_btn_what.png

1145 ms

modal_title_entry.png

modal_title_entry.png

1146 ms

modal_btn_work_end.png

modal_btn_work_end.png

1075 ms

modal_circle_end.png

modal_circle_end.png

1064 ms

modal_img.png

modal_img.png

1093 ms

icon_left.png

icon_left.png

1067 ms

icon_right.png

icon_right.png

1143 ms

Accessibility Review

shizecon.net accessibility score

74

Accessibility Issues

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

shizecon.net 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

shizecon.net SEO score

81

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

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 Shizecon.net 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 Shizecon.net 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

shizecon.net

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