2.1 sec in total
552 ms
1.1 sec
532 ms
Click here to check amazing KAI J content. Otherwise, check out these important facts you probably never knew about kaij.co.jp
We are a Japanese Language School in Shinjuku-ku, Tokyo, established in 1987. We provide cutting-edge Japanese language education using digital teaching materials to students from over 40 countries. W...
Visit kaij.co.jpWe analyzed Kaij.co.jp page load time and found that the first response time was 552 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
kaij.co.jp performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value8.2 s
2/100
25%
Value8.8 s
16/100
10%
Value330 ms
75/100
30%
Value0.003
100/100
15%
Value7.1 s
52/100
10%
552 ms
25 ms
19 ms
6 ms
27 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Kaij.co.jp, 50% (22 requests) were made to Kaij.jp and 16% (7 requests) were made to Files.kaij.jp. The less responsive or slowest element that took the longest time to load (552 ms) belongs to the original domain Kaij.co.jp.
Page size can be reduced by 250.4 kB (16%)
1.5 MB
1.3 MB
In fact, the total size of Kaij.co.jp main page is 1.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 20.6 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 3.8 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 20.6 kB or 74% of the original size.
Potential reduce by 9.8 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. KAI J images are well optimized though.
Potential reduce by 86.3 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 86.3 kB or 57% of the original size.
Potential reduce by 133.8 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. Kaij.co.jp needs all CSS files to be minified and compressed as it can save up to 133.8 kB or 83% of the original size.
Number of requests can be reduced by 13 (36%)
36
23
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KAI J. 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 4 to 1 for CSS and as a result speed up the page load time.
kaij.co.jp
552 ms
www.kaij.jp
25 ms
styles.css
19 ms
font-awesome.min.css
6 ms
css
27 ms
home.css
8 ms
mt.min.js
8 ms
jquery.min.js
25 ms
transition.js
9 ms
carousel.js
10 ms
collapse.js
11 ms
kai.min.js
11 ms
footerFixed.min.js
11 ms
fbds.js
174 ms
gtm.js
170 ms
kai_logo_new.png
351 ms
arrow-r.png
158 ms
platform.js
182 ms
20150918_KAIDLS.jpg
136 ms
201305_00.jpg
62 ms
201305_01.jpg
61 ms
201305_03.jpg
63 ms
ialc-web.png
54 ms
nisshinkyo-web.png
58 ms
video.jpg
39 ms
map.jpg
38 ms
teacher.jpg
37 ms
supporter.jpg
37 ms
screenshot-facebook.png
53 ms
screenshot-gambalog.png
38 ms
screenshot-twitter.png
55 ms
screenshot-youtube.png
56 ms
stm-web.png
50 ms
jlic-web.png
51 ms
FUDHvzEKSJww3kCxuiAo2A.ttf
34 ms
0XxGQsSc1g4rdRdjJKZrNC3USBnSvpkopQaUR-2r7iU.ttf
46 ms
glyphicons-halflings-regular.woff
50 ms
fontawesome-webfont.woff
24 ms
154 ms
analytics.js
37 ms
collect
12 ms
collect
49 ms
ga-audiences
38 ms
22 ms
kaij.co.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
kaij.co.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
kaij.co.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
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
Tap targets are not sized appropriately
EN
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kaij.co.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Japanese language. Our system also found out that Kaij.co.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.
kaij.co.jp
Open Graph data is detected on the main page of KAI J. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: