Tools & Wizards About Us
ryuseien.co.jp screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

ryuseien.co.jp

岡山のテニススクールは柳生園（りゅうせいえん）テニスクラブへ！６名少人数制により納得のレッスン内容をお約束します

Page Load Speed

10.8 sec in total

First Response

571 ms

Resources Loaded

6.3 sec

Page Rendered

4 sec

ryuseien.co.jp screenshot

About Website

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

コーチとぐっと近くに。6名の少人数制導入により納得のレッスン内容をお約束します。また様々なレベルに応じた豊富な種類のレッスンをご用意。一般プレーヤー、ジュニア、キッズ、初心者ベテラン問わず、すべてのテニスプレーヤーに優秀なコーチ陣が柔軟に対応します！まずは無料体験レッスンをお受けください！

Visit ryuseien.co.jp

Key Findings

We analyzed Ryuseien.co.jp page load time and found that the first response time was 571 ms and then it took 10.3 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

ryuseien.co.jp performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value29.9 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value2,010 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value1

2/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

Network Requests Diagram

ryuseien.co.jp

571 ms

ryuseien.co.jp

1683 ms

js

68 ms

jquery-3.5.1.min.js

350 ms

styles.css

519 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 72% of them (66 requests) were addressed to the original Ryuseien.co.jp, 10% (9 requests) were made to Fonts.gstatic.com and 5% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Ryuseien.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 237.4 kB (4%)

Content Size

5.9 MB

After Optimization

5.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ryuseien.co.jp main page is 5.9 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. Only a small number of websites need less resources to load. Images take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 68.4 kB

  • Original 80.5 kB
  • After minification 69.0 kB
  • After compression 12.1 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 11.5 kB, which is 14% 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 68.4 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 136.1 kB

  • Original 5.4 MB
  • After minification 5.3 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. Ryuseien images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 12.2 kB

  • Original 233.7 kB
  • After minification 233.7 kB
  • After compression 221.5 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

-18%

Potential reduce by 20.7 kB

  • Original 114.4 kB
  • After minification 114.3 kB
  • After compression 93.7 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. Ryuseien.co.jp needs all CSS files to be minified and compressed as it can save up to 20.7 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (35%)

Requests Now

79

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ryuseien. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ryuseien.co.jp

ryuseien.co.jp

571 ms

ryuseien.co.jp

ryuseien.co.jp

1683 ms

js

js

68 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

350 ms

styles.css

styles.css

519 ms

style.css

style.css

520 ms

css2

css2

39 ms

css2

css2

58 ms

all.css

all.css

43 ms

default.css

default.css

523 ms

style.css

style.css

555 ms

slick.css

slick.css

559 ms

slick-theme.css

slick-theme.css

559 ms

top.css

top.css

692 ms

scroll-hint.css

scroll-hint.css

703 ms

news.css

news.css

697 ms

news_single.css

news_single.css

732 ms

script.js

script.js

734 ms

picturefill.min.js

picturefill.min.js

750 ms

slick.min.js

slick.min.js

866 ms

scroll-hint.min.js

scroll-hint.min.js

870 ms

scroll-hint.js

scroll-hint.js

876 ms

index.js

index.js

913 ms

index.js

index.js

925 ms

js

js

66 ms

fbevents.js

fbevents.js

49 ms

logo.svg

logo.svg

204 ms

x-twitter.png

x-twitter.png

205 ms

tel.svg

tel.svg

202 ms

mail.svg

mail.svg

205 ms

schedule_c.png

schedule_c.png

217 ms

main-text.png

main-text.png

685 ms

slide1.jpg

slide1.jpg

1725 ms

slide2.jpg

slide2.jpg

1514 ms

slide3.jpg

slide3.jpg

1408 ms

slide4.jpg

slide4.jpg

1968 ms

slide5.jpg

slide5.jpg

1219 ms

MG_3860_1-1-300x200.jpg

MG_3860_1-1-300x200.jpg

782 ms

tuika_lesson-300x257.jpg

tuika_lesson-300x257.jpg

960 ms

schedule-uploaded-300x187.jpg

schedule-uploaded-300x187.jpg

1131 ms

babolat_natural-300x160.jpg

babolat_natural-300x160.jpg

1309 ms

202404-06_spring.jpg

202404-06_spring.jpg

1575 ms

general.jpg

general.jpg

1667 ms

junior.jpg

junior.jpg

1583 ms

players.jpg

players.jpg

1697 ms

img3.png

img3.png

1939 ms

760c6725e941dc2b2520f9c7161d0aa5-11.jpg

760c6725e941dc2b2520f9c7161d0aa5-11.jpg

1761 ms

445508520_18335107339190430_5068876114342210654_n.jpg

445508520_18335107339190430_5068876114342210654_n.jpg

2024 ms

IMG_5321.jpeg

IMG_5321.jpeg

1881 ms

nimikoharu-blog.png

nimikoharu-blog.png

2416 ms

icon-pagetop.svg

icon-pagetop.svg

1935 ms

f-logo.png

f-logo.png

2064 ms

qFdU35WCmI96Ajtm81GgSdXCNs-VMF0vNLCDfZqP.ttf

qFdU35WCmI96Ajtm81GgSdXCNs-VMF0vNLCDfZqP.ttf

79 ms

qFda35WCmI96Ajtm83upeyoaX6QPnlo6_PPrOQ.ttf

qFda35WCmI96Ajtm83upeyoaX6QPnlo6_PPrOQ.ttf

140 ms

qFda35WCmI96Ajtm83upeyoaX6QPnlo6fPTrOQ.ttf

qFda35WCmI96Ajtm83upeyoaX6QPnlo6fPTrOQ.ttf

184 ms

qFda35WCmI96Ajtm83upeyoaX6QPnlo6VfTrOQ.ttf

qFda35WCmI96Ajtm83upeyoaX6QPnlo6VfTrOQ.ttf

185 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

656 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

655 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

658 ms

fa-brands-400.woff

fa-brands-400.woff

77 ms

ball.svg

ball.svg

2078 ms

XhfBg5XoRlw

XhfBg5XoRlw

194 ms

img5.png

img5.png

2074 ms

try.svg

try.svg

2098 ms

img6.png

img6.png

2163 ms

img10.png

img10.png

2391 ms

img8.png

img8.png

2242 ms

img7.png

img7.png

2252 ms

img11.png

img11.png

2830 ms

bgsec03.jpg

bgsec03.jpg

2699 ms

voice.svg

voice.svg

2353 ms

img4.png

img4.png

2270 ms

bgsec06.jpg

bgsec06.jpg

2407 ms

general.svg

general.svg

2413 ms

junior.svg

junior.svg

2423 ms

img2.png

img2.png

2418 ms

www-player.css

www-player.css

15 ms

www-embed-player.js

www-embed-player.js

65 ms

base.js

base.js

127 ms

ad_status.js

ad_status.js

255 ms

mxtTbBhlryF2cIkAezdGpVGDn6_laFF5PR-N71KDL7w.js

mxtTbBhlryF2cIkAezdGpVGDn6_laFF5PR-N71KDL7w.js

225 ms

embed.js

embed.js

130 ms

adult-pc.png

adult-pc.png

2104 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

23 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

13 ms

junior-pc.png

junior-pc.png

2019 ms

id

id

19 ms

Create

Create

122 ms

GenerateIT

GenerateIT

15 ms

mv-bg.jpg

mv-bg.jpg

181 ms

ajax-loader.gif

ajax-loader.gif

181 ms

slick.woff

slick.woff

183 ms

Accessibility Review

ryuseien.co.jp accessibility score

92

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

Best Practices

ryuseien.co.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ryuseien.co.jp SEO score

90

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 Ryuseien.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 Ryuseien.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

ryuseien.co.jp

Open Graph data is detected on the main page of Ryuseien. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: