4.8 sec in total
552 ms
4 sec
191 ms
Visit chuo-seminar.ac.jp now to see the best up-to-date Chuo Seminar content for Japan and also check out these interesting facts you probably never knew about chuo-seminar.ac.jp
高円寺にある当中央ゼミナールは、1968年より専門予備校として受験対策を行っています。大学編入や転部、大学院や社会人の入試対策も万全。大学院で公認心理師・臨床心理士を目指す方も、ここで学び受験に備えましょう。
Visit chuo-seminar.ac.jpWe analyzed Chuo-seminar.ac.jp page load time and found that the first response time was 552 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
chuo-seminar.ac.jp performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value5.8 s
15/100
25%
Value4.7 s
68/100
10%
Value470 ms
61/100
30%
Value0.824
4/100
15%
Value5.6 s
69/100
10%
552 ms
1194 ms
539 ms
391 ms
587 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 83% of them (33 requests) were addressed to the original Chuo-seminar.ac.jp, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Chuo-seminar.ac.jp.
Page size can be reduced by 95.4 kB (24%)
402.6 kB
307.2 kB
In fact, the total size of Chuo-seminar.ac.jp main page is 402.6 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 252.9 kB which makes up the majority of the site volume.
Potential reduce by 42.3 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. This page needs HTML code to be minified as it can gain 12.0 kB, which is 24% 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 42.3 kB or 84% of the original size.
Potential reduce by 3.8 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. Chuo Seminar images are well optimized though.
Potential reduce by 11.5 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 11.5 kB or 21% of the original size.
Potential reduce by 37.9 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. Chuo-seminar.ac.jp needs all CSS files to be minified and compressed as it can save up to 37.9 kB or 85% of the original size.
Number of requests can be reduced by 16 (43%)
37
21
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chuo Seminar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
chuo-seminar.ac.jp
552 ms
www.chuo-seminar.ac.jp
1194 ms
base.css
539 ms
top.css
391 ms
color.css
587 ms
jquery.min.js
22 ms
jquery.masonry.min.js
354 ms
jquery.flexslider-min.js
371 ms
top.js
436 ms
share.js
421 ms
conversion.js
21 ms
s_retargeting.js
937 ms
ga.js
49 ms
head_bar_link.gif
318 ms
chuo-seminar.png
360 ms
nav_arrow_df.png
467 ms
2016_opening_01.png
900 ms
2015brief_2.png
700 ms
2016distance_opening02.png
696 ms
2016_pre_tr.png
867 ms
2016_pre_psy.png
914 ms
2016_pre_nurse.png
1033 ms
report.png
1285 ms
2016blog_main.png
1110 ms
material_s1.png
1256 ms
pass_s1.png
1261 ms
2016info_sp.png
1282 ms
level_test.png
1405 ms
test_s1.png
1473 ms
recru_s1.png
1606 ms
staff_s1.png
1634 ms
book_s1.png
1637 ms
question_s1.png
1650 ms
announce_s1.png
1792 ms
orico_s1.png
1855 ms
dormitory_s1.png
1986 ms
__utm.gif
10 ms
42 ms
39 ms
control_nav.png
1335 ms
chuo-seminar.ac.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.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
chuo-seminar.ac.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
chuo-seminar.ac.jp SEO score
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chuo-seminar.ac.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 Chuo-seminar.ac.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.
chuo-seminar.ac.jp
Open Graph description is not detected on the main page of Chuo Seminar. 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: