7.7 sec in total
928 ms
6.3 sec
568 ms
Visit cvi.or.jp now to see the best up-to-date Cvi content for Japan and also check out these interesting facts you probably never knew about cvi.or.jp
港区西麻布にある循環器内科・心臓血管外科・心臓リハビリテーション科の病院 公益財団法人 心臓血管研究所付属病院のホームページです。1959年に赤坂に財団を設立以来、心臓や血管の専門として最新の機器・医療知識で皆様の健康をお守りしています。診療時間は月曜日~金曜日の8:45~12:00と13:30~16:00です。
Visit cvi.or.jpWe analyzed Cvi.or.jp page load time and found that the first response time was 928 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
cvi.or.jp performance score
name
value
score
weighting
Value9.0 s
0/100
10%
Value40.6 s
0/100
25%
Value16.4 s
0/100
10%
Value1,930 ms
8/100
30%
Value0.305
39/100
15%
Value15.7 s
6/100
10%
928 ms
426 ms
449 ms
52 ms
446 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 95% of them (58 requests) were addressed to the original Cvi.or.jp, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Cvi.or.jp.
Page size can be reduced by 151.9 kB (23%)
646.8 kB
494.9 kB
In fact, the total size of Cvi.or.jp main page is 646.8 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. 25% of websites need less resources to load. Images take 427.5 kB which makes up the majority of the site volume.
Potential reduce by 10.7 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 2.2 kB, which is 15% 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 10.7 kB or 72% of the original size.
Potential reduce by 181 B
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. Cvi images are well optimized though.
Potential reduce by 124.2 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 124.2 kB or 68% of the original size.
Potential reduce by 16.9 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. Cvi.or.jp needs all CSS files to be minified and compressed as it can save up to 16.9 kB or 78% of the original size.
Number of requests can be reduced by 31 (53%)
59
28
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cvi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
cvi.or.jp
928 ms
screen.css
426 ms
default.css
449 ms
jquery.min.js
52 ms
smartRollover.js
446 ms
jquery.cookie.js
655 ms
jquery.fontsizechange.js
456 ms
nivo-slider.css
526 ms
jquery-1.9.0.min.js
1541 ms
jquery.nivo.slider.js
1146 ms
osirase.cgi
1060 ms
base.css
473 ms
top.css
258 ms
styles.css
300 ms
analytics.js
141 ms
hNavi00.gif
203 ms
hNavi01.gif
210 ms
hNavi02.gif
207 ms
hNavi03.gif
200 ms
hNavi04.gif
201 ms
logo.gif
197 ms
font.gif
382 ms
fsize3.gif
393 ms
fsize2.gif
409 ms
fsize1.gif
409 ms
gNavi01_off.jpg
411 ms
gNavi02_off.jpg
417 ms
gNavi03_off.jpg
562 ms
gNavi04_off.jpg
591 ms
gNavi05_off.jpg
618 ms
loading.gif
618 ms
01.jpg
1562 ms
02.jpg
3790 ms
03.jpg
1218 ms
04.jpg
1693 ms
05.jpg
2961 ms
icon1.gif
1319 ms
icon2.gif
1441 ms
icon3.gif
1538 ms
icon4.gif
1629 ms
icon5.gif
1742 ms
tel.gif
1775 ms
icon6.gif
1827 ms
bnr_seminar.gif
1902 ms
bnr_recruit2.gif
2583 ms
topmap.gif
2191 ms
info.gif
2014 ms
bnr_kensa.gif
2104 ms
bnr_faq.gif
2212 ms
bnr_kifu2.gif
2310 ms
bnr_kunihara3.gif
2332 ms
msgs.cgi
770 ms
collect
21 ms
bnr_sp.gif
2229 ms
bnr_mej.gif
2350 ms
bnr_ccu.gif
2438 ms
fsize1_ov.gif
2455 ms
fsize1_ov_ov.gif
2561 ms
osirase.css
433 ms
2.gif
231 ms
arrows.png
179 ms
cvi.or.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
cvi.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
cvi.or.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
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cvi.or.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 Cvi.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.
cvi.or.jp
Open Graph description is not detected on the main page of Cvi. 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: