Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% 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

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. 85% 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

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.

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

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: