Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

Page Load Speed

3.6 sec in total

First Response

529 ms

Resources Loaded

2.5 sec

Page Rendered

570 ms

yk-rakuen.com screenshot

About Website

Visit yk-rakuen.com now to see the best up-to-date Yk Rakuen content for Japan and also check out these interesting facts you probably never knew about yk-rakuen.com

Visit yk-rakuen.com

Key Findings

We analyzed Yk-rakuen.com page load time and found that the first response time was 529 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

yk-rakuen.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.362

30/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

yk-rakuen.com

529 ms

www.yk-rakuen.com

808 ms

open.css

342 ms

yk_enter.css

519 ms

news_top.gif

595 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 39% of them (11 requests) were addressed to the original Yk-rakuen.com, 36% (10 requests) were made to Harenchi.co.jp and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Yk-rakuen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.4 kB (9%)

Content Size

545.3 kB

After Optimization

498.9 kB

In fact, the total size of Yk-rakuen.com main page is 545.3 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. 25% of websites need less resources to load. Images take 502.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 15.9 kB

  • Original 21.0 kB
  • After minification 19.4 kB
  • After compression 5.1 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. 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 15.9 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 27.1 kB

  • Original 502.0 kB
  • After minification 474.9 kB

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. Yk Rakuen images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-66%

Potential reduce by 3.4 kB

  • Original 5.1 kB
  • After minification 4.6 kB
  • After compression 1.7 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. Yk-rakuen.com needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 66% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

26

After Optimization

26

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yk Rakuen. According to our analytics all requests are already optimized.

Accessibility Review

yk-rakuen.com accessibility score

79

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

yk-rakuen.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

yk-rakuen.com SEO score

75

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yk-rakuen.com 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 Yk-rakuen.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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