8.9 sec in total
489 ms
7.6 sec
790 ms
Click here to check amazing Catal content for Japan. Otherwise, check out these important facts you probably never knew about catal.jp
キャタルは、日本の子どもたちが英語で夢を叶えるための道を切り開く英語塾です。読書を通じて英語を英語で考え、コーチングにより自学自習ができることによって、楽しく英語学習が継続できる学習法を提供しています。渋谷/自由が丘/二子玉川/池袋/吉祥寺/薬院大通/西新
Visit catal.jpWe analyzed Catal.jp page load time and found that the first response time was 489 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
catal.jp performance score
name
value
score
weighting
Value3.8 s
26/100
10%
Value10.5 s
0/100
25%
Value8.3 s
19/100
10%
Value120 ms
97/100
30%
Value0
100/100
15%
Value12.9 s
13/100
10%
489 ms
1171 ms
1551 ms
1177 ms
816 ms
Our browser made a total of 99 requests to load all elements on the main page. We found that 79% of them (78 requests) were addressed to the original Catal.jp, 12% (12 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Catal.jp.
Page size can be reduced by 572.6 kB (13%)
4.6 MB
4.0 MB
In fact, the total size of Catal.jp main page is 4.6 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. 60% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.
Potential reduce by 32.5 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 8.9 kB, which is 22% 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 32.5 kB or 82% of the original size.
Potential reduce by 61.2 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. Catal images are well optimized though.
Potential reduce by 260.3 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 260.3 kB or 70% of the original size.
Potential reduce by 218.7 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. Catal.jp needs all CSS files to be minified and compressed as it can save up to 218.7 kB or 84% of the original size.
Number of requests can be reduced by 30 (36%)
84
54
The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Catal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
catal.jp
489 ms
www.catal.jp
1171 ms
bootstrap.min.css
1551 ms
style.css
1177 ms
font-awesome.min.css
816 ms
flexslider.css
413 ms
animate.css
1016 ms
css
22 ms
css
34 ms
owl.carousel.css
616 ms
owl.theme.css
735 ms
yamm.css
816 ms
tooltipster.css
921 ms
magnific-popup.css
1017 ms
component.css
1017 ms
jquery.min.js
1162 ms
bootstrap.min.js
868 ms
jquery.easing.1.3.min.js
669 ms
jquery.sticky.js
671 ms
jquery.flexslider-min.js
822 ms
jquery.stellar.min.js
871 ms
jquery.mixitup.min.js
1145 ms
waypoints.min.js
4 ms
jquery.counterup.min.js
1142 ms
wow.min.js
1144 ms
owl.carousel.min.js
1320 ms
jquery.magnific-popup.min.js
1250 ms
jquery.mb.YTPlayer.min.js
1412 ms
custom.js
1323 ms
jquery.tooltipster.min.js
1473 ms
waypoints.min.js
1337 ms
css
13 ms
gtm.js
135 ms
logo.png
363 ms
billboard800.png
1653 ms
spring_bn_wide.png
478 ms
orientation_bn.png
501 ms
eiken_bn.png
557 ms
keio_bn.png
584 ms
rewrites_bn.png
652 ms
catalnote_bn.png
654 ms
mail_bn.png
686 ms
eikenmail_bn.png
752 ms
keio-movie_bn.png
780 ms
intro-curriculum_visual.png
2460 ms
intro-story_visual.png
2461 ms
student-st_round.png
1424 ms
student-kn_round.png
1136 ms
student-ny_round.png
1169 ms
student-hm_round.png
1907 ms
student-ks_round.png
1559 ms
yamazaki-asako_round.png
1977 ms
matsuo-junya_round.png
2338 ms
kobayashi-mari_round.png
1852 ms
intro-teacher_visual.png
2855 ms
miyamoto-shimon_thumb.png
2484 ms
matsukura-risako_thumb.png
2531 ms
iinuma-hajime_thumb.png
2727 ms
terawaki-yuki_thumb.png
2548 ms
muto-takeshi_thumb.png
2549 ms
fumoto_thumb.png
3139 ms
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14 ms
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14 ms
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15 ms
fontawesome-webfont.woff
2969 ms
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14 ms
A4RWZsncmJ25G8iqn2EHN_esZW2xOQ-xsNqO47m55DA.woff
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103 ms
x-7NZTw0n-ypOAaIE8uSrvesZW2xOQ-xsNqO47m55DA.woff
102 ms
clhLqOv7MXn459PTh0gXYHW1xglZCgocDnD_teV2lMU.woff
102 ms
glyphicons-halflings-regular.woff
2733 ms
analytics.js
10 ms
shibuya.png
4035 ms
shibuya3.png
3598 ms
collect
3 ms
collect
66 ms
shibuya4.png
2950 ms
jiyugaoka.png
2956 ms
system1.png
2922 ms
ga-audiences
47 ms
system2.png
3045 ms
system3.png
2988 ms
system4.png
2992 ms
intro-action_visual.png
3891 ms
media001.png
3087 ms
media002.png
3080 ms
media003.png
3020 ms
media004.png
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media007.png
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media008.png
3770 ms
media009.png
2907 ms
media010.png
2667 ms
spring_bn.png
2665 ms
catal.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
catal.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
Browser errors were logged to the console
Page has valid source maps
catal.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Catal.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 Catal.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.
catal.jp
Open Graph data is detected on the main page of Catal. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: