9.2 sec in total
1.6 sec
7.4 sec
187 ms
Welcome to runners.co.jp homepage info - get ready to check Runners best content for Japan right away, or after learning these important things about runners.co.jp
株式会社アールビーズはスポーツの実践を通じて、健康で心豊かな人生を送る人々を応援します。
Visit runners.co.jpWe analyzed Runners.co.jp page load time and found that the first response time was 1.6 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
runners.co.jp performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value12.3 s
0/100
25%
Value10.9 s
6/100
10%
Value280 ms
81/100
30%
Value0.513
15/100
15%
Value10.1 s
26/100
10%
1560 ms
325 ms
2012 ms
339 ms
340 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 92% of them (65 requests) were addressed to the original Runners.co.jp, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Runners.co.jp.
Page size can be reduced by 623.4 kB (46%)
1.4 MB
743.5 kB
In fact, the total size of Runners.co.jp main page is 1.4 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. 45% of websites need less resources to load. Javascripts take 736.2 kB which makes up the majority of the site volume.
Potential reduce by 41.1 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 8.2 kB, which is 16% 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 41.1 kB or 82% of the original size.
Potential reduce by 35.9 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. Runners images are well optimized though.
Potential reduce by 510.8 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 510.8 kB or 69% of the original size.
Potential reduce by 35.6 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. Runners.co.jp needs all CSS files to be minified and compressed as it can save up to 35.6 kB or 82% of the original size.
Number of requests can be reduced by 34 (49%)
70
36
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Runners. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
runners.co.jp
1560 ms
pagenavi-css.css
325 ms
ckeditor.js
2012 ms
common.css
339 ms
jquery.jscrollpane.css
340 ms
jquery.js
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jquery.easing.1.3.js
499 ms
jquery.timer.js
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jquery.smoothScroll.js
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jquery.mousewheel.js
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jquery.jscrollpane.min.js
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jquery.cookie.js
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common.js
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reset.css
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analytics.js
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logo.png
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menu.png
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arr.png
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sp.css
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runners.co.jp accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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>).
runners.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
runners.co.jp SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Runners.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Runners.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.
runners.co.jp
Open Graph description is not detected on the main page of Runners. 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: