4.3 sec in total
556 ms
3.5 sec
233 ms
Click here to check amazing KODOKAN content for Japan. Otherwise, check out these important facts you probably never knew about kodokan.org
講道館 柔道 KODOKAN JUDO JAJIGORO KANOKANO
Visit kodokan.orgWe analyzed Kodokan.org page load time and found that the first response time was 556 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
kodokan.org performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value8.5 s
1/100
25%
Value8.4 s
18/100
10%
Value100 ms
98/100
30%
Value0.269
45/100
15%
Value7.0 s
52/100
10%
556 ms
713 ms
317 ms
323 ms
332 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Kodokan.org, 82% (37 requests) were made to Kodokanjudoinstitute.org and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Kodokanjudoinstitute.org.
Page size can be reduced by 169.9 kB (28%)
600.8 kB
430.9 kB
In fact, the total size of Kodokan.org main page is 600.8 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. 30% of websites need less resources to load. Images take 399.6 kB which makes up the majority of the site volume.
Potential reduce by 15.9 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 15.9 kB or 71% of the original size.
Potential reduce by 37.2 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. KODOKAN images are well optimized though.
Potential reduce by 109.1 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 109.1 kB or 65% of the original size.
Potential reduce by 7.7 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. Kodokan.org needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 72% of the original size.
Number of requests can be reduced by 17 (40%)
43
26
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KODOKAN. 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 as a result speed up the page load time.
kodokan.org
556 ms
kodokanjudoinstitute.org
713 ms
style.css
317 ms
home.css
323 ms
wideslider.css
332 ms
jquery.js
1018 ms
jquery.easing.min.js
8 ms
jquery.cookie.js
343 ms
script.js
346 ms
jquery.heightLine.js
474 ms
wideslider.js
639 ms
fontsize.png
160 ms
fontsize_normal.png
174 ms
fontsize_big.png
170 ms
eyecatch20141014_1.jpg
691 ms
eyecatch20141212_1.jpg
320 ms
eyecatch20141212_2.jpg
988 ms
info_1.png
319 ms
info_2.png
338 ms
info_3.png
343 ms
bnr_2016_ajjc.jpg
637 ms
bnr_2016_high_dan.jpg
637 ms
bnr_koijc.jpg
507 ms
bnr_magazine.png
513 ms
bnr_shop.png
676 ms
bnr_token.png
686 ms
sdk.js
18 ms
logo.png
783 ms
header_sub_navi.png
784 ms
navigation.png
832 ms
obi.png
844 ms
h_info.png
844 ms
h_update.png
942 ms
ico_news.png
942 ms
ico_magazine.png
1000 ms
ico_schedule.png
1015 ms
ico_pdf.png
1015 ms
ico_others.png
1099 ms
analytics.js
35 ms
36 ms
collect
19 ms
xd_arbiter.php
16 ms
xd_arbiter.php
27 ms
prev.jpg
161 ms
next.jpg
173 ms
kodokan.org 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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
kodokan.org 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
kodokan.org 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
Links are not crawlable
TH
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kodokan.org can be misinterpreted by Google and other search engines. Our service has detected that Thai is used on the page, and it does not match the claimed Japanese language. Our system also found out that Kodokan.org 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.
kodokan.org
Open Graph description is not detected on the main page of KODOKAN. 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: