4.1 sec in total
525 ms
3.5 sec
91 ms
Click here to check amazing Kaken Sys content for Japan. Otherwise, check out these important facts you probably never knew about kaken-sys.kaken.or.jp
Visit kaken-sys.kaken.or.jpWe analyzed Kaken-sys.kaken.or.jp page load time and found that the first response time was 525 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
kaken-sys.kaken.or.jp performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value7.2 s
5/100
25%
Value8.5 s
17/100
10%
Value10 ms
100/100
30%
Value0.005
100/100
15%
Value7.2 s
51/100
10%
525 ms
336 ms
329 ms
324 ms
676 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Kaken-sys.kaken.or.jp, 7% (2 requests) were made to Seal.globalsign.com and 3% (1 request) were made to Ssif1.globalsign.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Kaken-sys.kaken.or.jp.
Page size can be reduced by 351.8 kB (73%)
479.1 kB
127.3 kB
In fact, the total size of Kaken-sys.kaken.or.jp main page is 479.1 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. 20% of websites need less resources to load. Javascripts take 381.9 kB which makes up the majority of the site volume.
Potential reduce by 5.1 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 1.5 kB, which is 21% 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 5.1 kB or 73% of the original size.
Potential reduce by 462 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. Kaken Sys images are well optimized though.
Potential reduce by 284.8 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 284.8 kB or 75% of the original size.
Potential reduce by 61.4 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. Kaken-sys.kaken.or.jp needs all CSS files to be minified and compressed as it can save up to 61.4 kB or 85% of the original size.
Number of requests can be reduced by 16 (59%)
27
11
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kaken Sys. 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 7 to 1 for CSS and as a result speed up the page load time.
kaken-sys.kaken.or.jp
525 ms
LogOn
336 ms
default.css
329 ms
jquery_idtabs.css
324 ms
jquery-ui-1.8.2.custom.css
676 ms
ui.datepicker.css
341 ms
flexigrid.css
532 ms
simpleFAQ.css
357 ms
thickbox.css
486 ms
jquery-1.4.1.min.js
828 ms
jquery-ui-1.8.2.custom.min.js
1532 ms
ui.datepicker-ja.js
536 ms
flexigrid.pack.js
807 ms
jquery.qtip-1.0.0-rc3.min.js
892 ms
jquery.quicksilver.js
715 ms
jquery.simpleFAQ-0.7.min.js
843 ms
thickbox-compressed.js
896 ms
houkokusho_tab.js
968 ms
gs_image_115-57_ja.js
8 ms
gs_noscript_115-57_ja.gif
16 ms
Hokokusho_otoiawase.gif
168 ms
header_left.png
181 ms
header_center.png
180 ms
header_right.png
163 ms
overlay.png
172 ms
Houkokousho_loginback.png
185 ms
siteSeal.do
1239 ms
line-blue.png
312 ms
loadingAnimation.gif
321 ms
kaken-sys.kaken.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.
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
Form elements do not have associated labels
Links do not have a discernible name
kaken-sys.kaken.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
kaken-sys.kaken.or.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kaken-sys.kaken.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 Kaken-sys.kaken.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.
kaken-sys.kaken.or.jp
Open Graph description is not detected on the main page of Kaken Sys. 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: