12.1 sec in total
978 ms
10.5 sec
619 ms
Visit aca.academy.co.jp now to see the best up-to-date Aca Academy content for Japan and also check out these interesting facts you probably never knew about aca.academy.co.jp
~東大・早慶を目指す~ 宇高宇女高合格専門館、宇大附幼・小・中、宇東中合格専門館、東大・早慶合格専門館 アカデミー・グループは、栃木・東京で、生徒総数10,000名以上の進学塾・ネットワーク。県立上位高合格NO.1の実績!
Visit aca.academy.co.jpWe analyzed Aca.academy.co.jp page load time and found that the first response time was 978 ms and then it took 11.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
aca.academy.co.jp performance score
name
value
score
weighting
Value3.8 s
26/100
10%
Value8.0 s
2/100
25%
Value20.4 s
0/100
10%
Value270 ms
81/100
30%
Value1.635
0/100
15%
Value45.8 s
0/100
10%
978 ms
308 ms
317 ms
820 ms
330 ms
Our browser made a total of 152 requests to load all elements on the main page. We found that 88% of them (133 requests) were addressed to the original Aca.academy.co.jp, 3% (5 requests) were made to Google-analytics.com and 3% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Aca.academy.co.jp.
Page size can be reduced by 241.2 kB (21%)
1.1 MB
884.7 kB
In fact, the total size of Aca.academy.co.jp main page is 1.1 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. 45% of websites need less resources to load. Images take 796.2 kB which makes up the majority of the site volume.
Potential reduce by 68.1 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 19.6 kB, which is 25% 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 68.1 kB or 87% of the original size.
Potential reduce by 21.6 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. Aca Academy images are well optimized though.
Potential reduce by 112.2 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 112.2 kB or 55% of the original size.
Potential reduce by 39.4 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. Aca.academy.co.jp needs all CSS files to be minified and compressed as it can save up to 39.4 kB or 85% of the original size.
Number of requests can be reduced by 23 (16%)
144
121
The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aca Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
aca.academy.co.jp
978 ms
import.css
308 ms
topbanner.css
317 ms
jquery-1.6.1.min.js
820 ms
academy.js
330 ms
smartRollover.js
361 ms
jquery.easing.js
647 ms
jquery.touchSwipe.min.js
655 ms
script.js
680 ms
reset.css
388 ms
layout.css
489 ms
component.css
814 ms
etc.css
692 ms
ga.js
78 ms
gtm.js
89 ms
logo_academy.gif
196 ms
bg004.gif
184 ms
head_txt001.gif
329 ms
head_bt001_off.gif
327 ms
head_bt002_off.gif
330 ms
gnav_bg001.gif
358 ms
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407 ms
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495 ms
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636 ms
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690 ms
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837 ms
load-indicator.gif
964 ms
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966 ms
thumbl_067.jpg
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39 ms
conversion_async.js
24 ms
analytics.js
12 ms
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69 ms
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98 ms
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2334 ms
collect
23 ms
collect
38 ms
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67 ms
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11 ms
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2282 ms
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32 ms
ga-audiences
48 ms
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2222 ms
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index.html
2802 ms
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2571 ms
ic009.gif
2305 ms
logo_academy_group.gif
2333 ms
pagetop.gif
2295 ms
thumbsActive.png
2264 ms
ya.js
335 ms
pb.js
557 ms
410 ms
aca.academy.co.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
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>).
aca.academy.co.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
aca.academy.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aca.academy.co.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 Aca.academy.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.
aca.academy.co.jp
Open Graph description is not detected on the main page of Aca Academy. 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: