4.2 sec in total
736 ms
3.2 sec
268 ms
Click here to check amazing Kobunren content. Otherwise, check out these important facts you probably never knew about kobunren.or.jp
All Japan Senior High School Cultural Federation
Visit kobunren.or.jpWe analyzed Kobunren.or.jp page load time and found that the first response time was 736 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
kobunren.or.jp performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value8.2 s
2/100
25%
Value10.7 s
7/100
10%
Value630 ms
47/100
30%
Value0
100/100
15%
Value8.7 s
36/100
10%
736 ms
186 ms
361 ms
365 ms
385 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Kobunren.or.jp, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Kobunren.or.jp.
Page size can be reduced by 69.2 kB (11%)
622.7 kB
553.5 kB
In fact, the total size of Kobunren.or.jp main page is 622.7 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 573.1 kB which makes up the majority of the site volume.
Potential reduce by 10.1 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 1.9 kB, which is 14% 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 10.1 kB or 74% of the original size.
Potential reduce by 44.8 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. Kobunren images are well optimized though.
Potential reduce by 3.7 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 3.7 kB or 17% of the original size.
Potential reduce by 10.6 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. Kobunren.or.jp needs all CSS files to be minified and compressed as it can save up to 10.6 kB or 78% of the original size.
Number of requests can be reduced by 10 (24%)
42
32
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kobunren. 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 CSS and as a result speed up the page load time.
kobunren.or.jp
736 ms
import.css
186 ms
home.css
361 ms
print.css
365 ms
rollover.js
385 ms
scrollsmoothly.js
377 ms
default.css
236 ms
hack.css
361 ms
common.css
390 ms
bg_cloud_01.png
743 ms
bg_cloud_02.png
379 ms
bg_cloud_03.png
892 ms
bg_cloud_04.png
1012 ms
bg_footer_01.png
188 ms
bg_header_01.png
200 ms
h1.png
742 ms
unav_home.gif
398 ms
unav_contact.gif
574 ms
btn_search.png
606 ms
arrow_02.png
761 ms
h2_hnav.png
1694 ms
h2_hnav.gif
916 ms
bnr_biwako_soubun.gif
916 ms
hiroshima2016_banner.jpg
942 ms
banner_miyagi.png
1514 ms
benesse_new.png
1102 ms
bnr_syokugyou.png
1093 ms
bnr_jikeinew_216_66.gif
1132 ms
bnr_kogakuin.jpg
1202 ms
banner_kanko_corp_216x66.png
1279 ms
h2_news.png
1287 ms
bnr_asahi.png
1315 ms
bnr_yomiuri.png
1402 ms
ban_index_monka.gif
1466 ms
bunka.gif
1475 ms
go_pagetop.png
1507 ms
f_logo.png
1598 ms
f_name.png
1644 ms
ga.js
7 ms
__utm.gif
14 ms
unav_home_o.gif
185 ms
unav_contact_o.gif
185 ms
go_pagetop_o.png
216 ms
kobunren.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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
List items (<li>) are not contained within <ul> or <ol> parent elements.
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
kobunren.or.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
kobunren.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 uses legible font sizes
JA
N/A
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kobunren.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 Kobunren.or.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
kobunren.or.jp
Open Graph description is not detected on the main page of Kobunren. 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: