5.3 sec in total
919 ms
3.4 sec
1 sec
Click here to check amazing Runners Core content for Japan. Otherwise, check out these important facts you probably never knew about runners-core.jp
ランナーズNEXTではランニングライフを楽しみたい方々にとって役立つコンテンツ(ランニングウォッチをはじめとしたギア関連情報、科学的なトレーニング方法)などをお届けしていきます。,
Visit runners-core.jpWe analyzed Runners-core.jp page load time and found that the first response time was 919 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
runners-core.jp performance score
name
value
score
weighting
Value3.4 s
36/100
10%
Value9.6 s
0/100
25%
Value9.2 s
13/100
10%
Value950 ms
29/100
30%
Value1.166
1/100
15%
Value12.2 s
15/100
10%
919 ms
700 ms
362 ms
906 ms
558 ms
Our browser made a total of 159 requests to load all elements on the main page. We found that 28% of them (45 requests) were addressed to the original Runners-core.jp, 13% (20 requests) were made to Graph.facebook.com and 13% (20 requests) were made to Api.b.st-hatena.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Runners-core.jp.
Page size can be reduced by 404.3 kB (24%)
1.7 MB
1.3 MB
In fact, the total size of Runners-core.jp main page is 1.7 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. 80% 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. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 106.9 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 106.9 kB or 85% of the original size.
Potential reduce by 60.3 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 Core images are well optimized though.
Potential reduce by 210.4 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 210.4 kB or 53% of the original size.
Potential reduce by 26.7 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. Runners-core.jp needs all CSS files to be minified and compressed as it can save up to 26.7 kB or 85% of the original size.
Number of requests can be reduced by 79 (51%)
154
75
The browser has sent 154 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Runners Core. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
runners-core.jp
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runners-core.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
Document doesn't have a <title> element
<frame> or <iframe> elements do not have a title
runners-core.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
runners-core.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Runners-core.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 Runners-core.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-core.jp
Open Graph data is detected on the main page of Runners Core. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: