19.6 sec in total
1.8 sec
6.6 sec
11.2 sec
Visit j-circ.or.jp now to see the best up-to-date J Circ content for Japan and also check out these interesting facts you probably never knew about j-circ.or.jp
国民の健康にとって、心血管疾患はいまや悪性腫瘍と双璧をなす重要な克服課題です。2万名を超える会員を擁する日本循環器学会(JCS)は、循環器疾患の研究と診療の両面から、積極的に社会に貢献してまいります。BLS、ACLS講習会をはじめとする心肺蘇生法の普及、また禁煙推進活動など、社会的に関心の高いテーマについても積極的に取り組んでいます。
Visit j-circ.or.jpWe analyzed J-circ.or.jp page load time and found that the first response time was 1.8 sec and then it took 17.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
j-circ.or.jp performance score
name
value
score
weighting
Value12.3 s
0/100
10%
Value26.2 s
0/100
25%
Value13.4 s
2/100
10%
Value250 ms
84/100
30%
Value0
100/100
15%
Value14.1 s
10/100
10%
1809 ms
1252 ms
20 ms
905 ms
540 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 79% of them (58 requests) were addressed to the original J-circ.or.jp, 8% (6 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain J-circ.or.jp.
Page size can be reduced by 1.1 MB (5%)
20.6 MB
19.5 MB
In fact, the total size of J-circ.or.jp main page is 20.6 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. 55% of websites need less resources to load. Images take 20.2 MB which makes up the majority of the site volume.
Potential reduce by 72.4 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 72.4 kB or 84% of the original size.
Potential reduce by 806.3 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. J Circ images are well optimized though.
Potential reduce by 57.8 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 57.8 kB or 31% of the original size.
Potential reduce by 149.6 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. J-circ.or.jp needs all CSS files to be minified and compressed as it can save up to 149.6 kB or 85% of the original size.
Number of requests can be reduced by 14 (22%)
65
51
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J Circ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
www.j-circ.or.jp
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bundle.css
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jquery.min.js
20 ms
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j-circ.or.jp accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
j-circ.or.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
General
Impact
Issue
Detected JavaScript libraries
j-circ.or.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 doesn't use 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 J-circ.or.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 J-circ.or.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.
j-circ.or.jp
Open Graph data is detected on the main page of J Circ. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: