6 sec in total
613 ms
5.1 sec
297 ms
Visit kai.ed.jp now to see the best up-to-date Kai content for Japan and also check out these interesting facts you probably never knew about kai.ed.jp
山梨県総合教育センター
Visit kai.ed.jpWe analyzed Kai.ed.jp page load time and found that the first response time was 613 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
kai.ed.jp performance score
name
value
score
weighting
Value11.1 s
0/100
10%
Value14.2 s
0/100
25%
Value12.2 s
3/100
10%
Value330 ms
75/100
30%
Value0.132
81/100
15%
Value14.2 s
9/100
10%
613 ms
1738 ms
629 ms
206 ms
397 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 48% of them (34 requests) were addressed to the original Kai.ed.jp, 49% (35 requests) were made to Ypec.ed.jp and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Ypec.ed.jp.
Page size can be reduced by 195.3 kB (27%)
717.7 kB
522.4 kB
In fact, the total size of Kai.ed.jp main page is 717.7 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. 20% of websites need less resources to load. Images take 535.8 kB which makes up the majority of the site volume.
Potential reduce by 104.3 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 104.3 kB or 86% of the original size.
Potential reduce by 53.6 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. Kai images are well optimized though.
Potential reduce by 37.5 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 37.5 kB or 61% of the original size.
Number of requests can be reduced by 30 (43%)
69
39
The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
kai.ed.jp
613 ms
1738 ms
index.php
629 ms
flesh.gif
206 ms
blank.gif
397 ms
setting_upperleft.gif
411 ms
setting_upper.gif
411 ms
setting_upperright.gif
413 ms
setting_left.gif
415 ms
setting_dot.gif
417 ms
setting_close.gif
593 ms
setting_right.gif
613 ms
setting_belowleft.gif
614 ms
setting_below.gif
617 ms
setting_belowright.gif
622 ms
right_arrow.gif
623 ms
0.gif
789 ms
4.gif
817 ms
1.gif
818 ms
8.gif
822 ms
5.gif
829 ms
get_adobe_reader.gif
830 ms
Logo_25wht.gif
986 ms
acclog.cgi
1184 ms
1126 ms
537 ms
531 ms
533 ms
538 ms
analytics.js
37 ms
header_btnback.gif
976 ms
header_light_btnback.gif
977 ms
upperleft.gif
988 ms
upper.gif
990 ms
upperright.gif
1134 ms
left.gif
1178 ms
right.gif
1186 ms
belowleft.gif
1194 ms
below.gif
1195 ms
belowright.gif
1331 ms
collect
13 ms
acclog.cgi
1484 ms
371 ms
699 ms
702 ms
695 ms
697 ms
699 ms
1037 ms
1033 ms
1035 ms
1038 ms
1036 ms
1194 ms
index.php
2029 ms
1402 ms
1394 ms
1404 ms
1393 ms
1394 ms
1442 ms
1727 ms
1734 ms
1738 ms
1728 ms
1732 ms
1740 ms
1977 ms
1972 ms
lang_common.js
1252 ms
index.php
647 ms
kai.ed.jp 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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
kai.ed.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
Page has valid source maps
kai.ed.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
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
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kai.ed.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Kai.ed.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.
kai.ed.jp
Open Graph description is not detected on the main page of Kai. 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: