Tools & Wizards About Us
youyou.co.jp screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

youyou.co.jp

【スタジオＹＯＵ】同人誌即売会（コミックライブ／おでかけライブ／オンリーイベント）情報

Page Load Speed

11.5 sec in total

First Response

339 ms

Resources Loaded

10.5 sec

Page Rendered

646 ms

youyou.co.jp screenshot

About Website

Visit youyou.co.jp now to see the best up-to-date Youyou content for Japan and also check out these interesting facts you probably never knew about youyou.co.jp

スタジオYOUが主催する同人誌即売会（コミックライブ／おでかけライブ／オンリーイベント）情報をお届けいたします。

Visit youyou.co.jp

Key Findings

We analyzed Youyou.co.jp page load time and found that the first response time was 339 ms and then it took 11.1 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

youyou.co.jp performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value21.5 s

0/100

10%

TBT (Total Blocking Time)

Value5,700 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.15

76/100

15%

TTI (Time to Interactive)

Value43.2 s

0/100

10%

Network Requests Diagram

youyou.co.jp

339 ms

youyou.co.jp

711 ms

index.html

348 ms

index.html

1044 ms

redefault2019.css

343 ms

Our browser made a total of 246 requests to load all elements on the main page. We found that 91% of them (223 requests) were addressed to the original Youyou.co.jp, 4% (11 requests) were made to Platform.twitter.com and 2% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Youyou.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 927.1 kB (94%)

Content Size

990.2 kB

After Optimization

63.1 kB

  • HTML
  • JavaScript

In fact, the total size of Youyou.co.jp main page is 990.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 969.2 kB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 927.0 kB

  • Original 969.2 kB
  • After minification 218.7 kB
  • After compression 42.2 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. This page needs HTML code to be minified as it can gain 750.4 kB, which is 77% 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 927.0 kB or 96% of the original size.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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.

Requests Breakdown

Number of requests can be reduced by 45 (19%)

Requests Now

241

After Optimization

196

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 241 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Youyou. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

youyou.co.jp

youyou.co.jp

339 ms

youyou.co.jp

youyou.co.jp

711 ms

index.html

index.html

348 ms

index.html

index.html

1044 ms

redefault2019.css

redefault2019.css

343 ms

top2019.css

top2019.css

668 ms

icon2019.css

icon2019.css

837 ms

search_box.css

search_box.css

515 ms

search_box_2018.css

search_box_2018.css

517 ms

style.css

style.css

536 ms

slick.css

slick.css

537 ms

slick-theme.css

slick-theme.css

687 ms

responcive.css

responcive.css

859 ms

jquery.js

jquery.js

1070 ms

global2019_test.js

global2019_test.js

893 ms

jquery.cookie.js

jquery.cookie.js

833 ms

jquery.customSelect.js

jquery.customSelect.js

858 ms

top2019.js

top2019.js

999 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

999 ms

slick.min.js

slick.min.js

1031 ms

newyear.js

newyear.js

1029 ms

jquery.timers-1.2.js

jquery.timers-1.2.js

1082 ms

jquery.balloon.js

jquery.balloon.js

1165 ms

index_eventlists.js

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1166 ms

responcive.js

responcive.js

1200 ms

googleAnalytics.js

googleAnalytics.js

1201 ms

widgets.js

widgets.js

91 ms

auto_update.js

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1100 ms

analytics.js

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110 ms

gtm.js

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111 ms

gtm.js

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156 ms

eventlist_capital_header.png

eventlist_capital_header.png

206 ms

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205 ms

newyear2023_745x420.jpg

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530 ms

kaiteki_pr_slider.jpg

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511 ms

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725 ms

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591 ms

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844 ms

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703 ms

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844 ms

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873 ms

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mainimg_onlyevent.jpg

mainimg_onlyevent.jpg

1444 ms

bn_735x288_02.jpg

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1487 ms

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bn_eventnews_sp_640x100.png

1512 ms

allbanner_pc_20221207.jpg

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1513 ms

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allbanner_sp_20221207.jpg

1562 ms

icon_t_you40.png

icon_t_you40.png

1567 ms

icon_t_key40.png

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1611 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

66 ms

header.html

header.html

1568 ms

collect

collect

77 ms

settings

settings

76 ms

collect

collect

46 ms

globalnavi.html

globalnavi.html

1478 ms

js

js

65 ms

right.html

right.html

1465 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

24 ms

ga-audiences

ga-audiences

140 ms

studio_you

studio_you

824 ms

index_eventlist_capital.php

index_eventlist_capital.php

2809 ms

index_eventlist_area.php

index_eventlist_area.php

2763 ms

footernavi.html

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2703 ms

copyright.html

copyright.html

2592 ms

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search_box.php

2572 ms

index_eventlists.php

index_eventlists.php

2456 ms

get_modify_date.php

get_modify_date.php

2468 ms

update_date.json

update_date.json

2440 ms

slick.woff

slick.woff

2500 ms

icon_t_cos40.png

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2428 ms

icon_t_kaiteki40.png

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2366 ms

icon_t_doll40.png

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2366 ms

ttl_info.png

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2333 ms

ttl_site.png

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2329 ms

ttl_now-illust.png

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2298 ms

polyfills-3b821eda8863adcc4a4b.js

polyfills-3b821eda8863adcc4a4b.js

24 ms

runtime-a697c5a1ae32bd7e4d42.js

runtime-a697c5a1ae32bd7e4d42.js

47 ms

modules.20f98d7498a59035a762.js

modules.20f98d7498a59035a762.js

89 ms

main-fd9ef5eb169057cda26d.js

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76 ms

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80 ms

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

83 ms

_buildManifest.js

_buildManifest.js

84 ms

_ssgManifest.js

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87 ms

illust_thumb_index.jpg

illust_thumb_index.jpg

2251 ms

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2201 ms

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1995 ms

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1031 ms

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1075 ms

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1077 ms

ttl_now-event.png

ttl_now-event.png

1005 ms

ttl_at-event.png

ttl_at-event.png

1004 ms

twitterbase_2019.png

twitterbase_2019.png

1040 ms

btn_goto_illust_mini.png

btn_goto_illust_mini.png

1038 ms

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btn_goto_event_mini.png

1075 ms

img_map.png

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1076 ms

ajax-loader.gif

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1004 ms

logo.png

logo.png

1004 ms

btn_twitter_sp.png

btn_twitter_sp.png

1042 ms

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1039 ms

bn_add_taiyo.gif

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1074 ms

bn_add_kanazawa.gif

bn_add_kanazawa.gif

1077 ms

gnavi_schedule.png

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1004 ms

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1004 ms

gnavi_circle.png

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1041 ms

gnavi_ippansanka.png

gnavi_ippansanka.png

1034 ms

gnavi_cons.png

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1075 ms

gnavi_want.png

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1080 ms

gnavi_qa.png

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1003 ms

gnavi_staff.png

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1010 ms

gnavi_company.png

gnavi_company.png

1050 ms

gnavi_recruit.png

gnavi_recruit.png

1046 ms

gnavi_contact.png

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1075 ms

icon_onlineyou.png

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1082 ms

tom-shuppan_20230331.png

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1010 ms

bn_pico_240x40.gif

bn_pico_240x40.gif

1009 ms

bn_kanbilivre_200-40.gif

bn_kanbilivre_200-40.gif

1042 ms

bn_kaiteki_pr.jpg

bn_kaiteki_pr.jpg

1041 ms

icon_mn13-reqform.png

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1074 ms

icon_mn04-evsokuho.png

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1084 ms

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1008 ms

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1016 ms

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1040 ms

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1039 ms

icon_mn10-mailmaga.png

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1075 ms

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1079 ms

frame_original_top.png

frame_original_top.png

1004 ms

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1005 ms

bn_oricomi.png

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1036 ms

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1038 ms

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1060 ms

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1074 ms

frame_cosplay_top.png

frame_cosplay_top.png

1020 ms

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1040 ms

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1035 ms

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1041 ms

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1048 ms

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1059 ms

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1029 ms

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1204 ms

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1024 ms

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1029 ms

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5 ms

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1042 ms

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4 ms

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1053 ms

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1034 ms

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1086 ms

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1031 ms

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1062 ms

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1065 ms

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1097 ms

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1021 ms

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1074 ms

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1086 ms

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1107 ms

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1044 ms

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1106 ms

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1021 ms

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1074 ms

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1074 ms

icon_open.png

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1075 ms

ttl_left_event_area.png

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1044 ms

Accessibility Review

youyou.co.jp accessibility score

76

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.

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

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

youyou.co.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

youyou.co.jp SEO score

73

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Youyou.co.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 Youyou.co.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

youyou.co.jp

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