6.3 sec in total
1.2 sec
4.8 sec
347 ms
Visit j-pulse.umin.jp now to see the best up-to-date J PULSE Umin content for Japan and also check out these interesting facts you probably never knew about j-pulse.umin.jp
私たちは、この活動を通じて一人でも多くの人に心臓マッサージとAEDの使い方を知ってもらい、心臓突然死の人を助けたいと思っています。
Visit j-pulse.umin.jpWe analyzed J-pulse.umin.jp page load time and found that the first response time was 1.2 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
j-pulse.umin.jp performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value3.7 s
58/100
25%
Value5.0 s
64/100
10%
Value10 ms
100/100
30%
Value0.007
100/100
15%
Value4.3 s
85/100
10%
1184 ms
383 ms
395 ms
400 ms
403 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 96% of them (46 requests) were addressed to the original J-pulse.umin.jp, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain J-pulse.umin.jp.
Page size can be reduced by 89.1 kB (30%)
294.2 kB
205.1 kB
In fact, the total size of J-pulse.umin.jp main page is 294.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 155.3 kB which makes up the majority of the site volume.
Potential reduce by 22.1 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 3.8 kB, which is 13% 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 22.1 kB or 76% of the original size.
Potential reduce by 2.7 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 PULSE Umin images are well optimized though.
Potential reduce by 49.0 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 49.0 kB or 54% of the original size.
Potential reduce by 15.3 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-pulse.umin.jp needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 81% of the original size.
Number of requests can be reduced by 3 (6%)
47
44
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J PULSE Umin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
j-pulse.umin.jp
1184 ms
base.css
383 ms
table.css
395 ms
id.css
400 ms
droppy.css
403 ms
jquery.js
851 ms
jquery.droppy.js
574 ms
ga.js
70 ms
head-1.gif
351 ms
head-2.gif
357 ms
body.gif
385 ms
top-back.gif
377 ms
top-anime.gif
787 ms
aed-2.gif
462 ms
heart-day2010-2.gif
924 ms
title2-news.gif
786 ms
teigen.gif
977 ms
ress-2010.jpg
984 ms
title-new.gif
882 ms
title-jems106.gif
1140 ms
kyodokodo-34.gif
1206 ms
arizona2009.jpg
1278 ms
mobile_mt.gif
1303 ms
title-contents.gif
1324 ms
nonogi.jpg
1370 ms
push3.gif
1525 ms
keikoku.jpg
1568 ms
shinzou.jpg
1849 ms
au.jpg
1722 ms
title-interview.gif
1729 ms
ReSS2013.jpg
1761 ms
ReSS2012.jpg
1934 ms
ReSS2010.jpg
1938 ms
title-aed.gif
2131 ms
pamphlet3.gif
2355 ms
title-cpr50.gif
2206 ms
bnr_cpr_50th_op3.jpg
2412 ms
link.gif
2284 ms
title-g2010.gif
2312 ms
g2010-outline.gif
2511 ms
title-jrcpr.gif
2541 ms
jrcpr-link.jpg
2842 ms
logo-ncvc.gif
2745 ms
logo-dokkyo.gif
2732 ms
__utm.gif
11 ms
logo-jcs.gif
2404 ms
logo-jcc.gif
2548 ms
foot.gif
2557 ms
j-pulse.umin.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.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
j-pulse.umin.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
j-pulse.umin.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise J-pulse.umin.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 J-pulse.umin.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-pulse.umin.jp
Open Graph description is not detected on the main page of J PULSE Umin. 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: