7.5 sec in total
1.7 sec
5.4 sec
370 ms
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
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。ソーシャルディスタンスも確保され安心です。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.jpWe analyzed Ryuseien.co.jp page load time and found that the first response time was 1.7 sec and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
ryuseien.co.jp performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value29.2 s
0/100
25%
Value19.5 s
0/100
10%
Value12,880 ms
0/100
30%
Value0.89
3/100
15%
Value29.1 s
0/100
10%
1740 ms
770 ms
579 ms
774 ms
397 ms
Our browser made a total of 126 requests to load all elements on the main page. We found that 65% of them (82 requests) were addressed to the original Ryuseien.co.jp, 10% (13 requests) were made to D.adroll.com and 3% (4 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Ryuseien.co.jp.
Page size can be reduced by 617.9 kB (57%)
1.1 MB
462.7 kB
In fact, the total size of Ryuseien.co.jp main page is 1.1 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. 50% of websites need less resources to load. Javascripts take 372.3 kB which makes up the majority of the site volume.
Potential reduce by 126.5 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 69.0 kB, which is 50% 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 126.5 kB or 92% of the original size.
Potential reduce by 6.1 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. Ryuseien images are well optimized though.
Potential reduce by 234.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 234.9 kB or 63% of the original size.
Potential reduce by 250.5 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 250.5 kB or 84% of the original size.
Number of requests can be reduced by 58 (53%)
110
52
The browser has sent 110 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 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
ryuseien.co.jp
1740 ms
common.css
770 ms
navi_yoko.css
579 ms
style01.css
774 ms
nivo-slider.css
397 ms
default.css
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jquery-1.10.1.min.js
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naviJq.js
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cookie_enabled_get.html
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arrows.png
191 ms
ryuseien.co.jp accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
ryuseien.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
ryuseien.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
JA
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.
ryuseien.co.jp
Open Graph description is not detected on the main page of Ryuseien. 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: