9 sec in total
534 ms
8 sec
389 ms
Visit chuman.co.jp now to see the best up-to-date Chuman content for Japan and also check out these interesting facts you probably never knew about chuman.co.jp
中萬学院(ちゅうまんがくいん)は横浜市・藤沢市・平塚市・相模原市など神奈川県内に展開する塾(学習塾)です。中学受験・公立中高一貫校受検・高校受験・大学受験に対応、集団指導で、個別指導で、小学生から高校生まで一人ひとりに最適な学習の場をご提供します。
Visit chuman.co.jpWe analyzed Chuman.co.jp page load time and found that the first response time was 534 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.
chuman.co.jp performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value10.4 s
0/100
25%
Value5.5 s
54/100
10%
Value580 ms
51/100
30%
Value0.663
8/100
15%
Value10.0 s
26/100
10%
534 ms
1678 ms
515 ms
1197 ms
29 ms
Our browser made a total of 128 requests to load all elements on the main page. We found that 74% of them (95 requests) were addressed to the original Chuman.co.jp, 9% (11 requests) were made to Google.com and 4% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Chuman.co.jp.
Page size can be reduced by 394.5 kB (25%)
1.6 MB
1.2 MB
In fact, the total size of Chuman.co.jp main page is 1.6 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. 40% of websites need less resources to load. Images take 1.0 MB 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. 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 68.1 kB or 82% of the original size.
Potential reduce by 50.1 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. Chuman images are well optimized though.
Potential reduce by 176.0 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 176.0 kB or 56% of the original size.
Potential reduce by 100.2 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. Chuman.co.jp needs all CSS files to be minified and compressed as it can save up to 100.2 kB or 83% of the original size.
Number of requests can be reduced by 47 (40%)
117
70
The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chuman. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
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chuman.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.
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
Links do not have a discernible name
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.
chuman.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
Page has valid source maps
chuman.co.jp SEO score
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 Chuman.co.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 Chuman.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.
{{og_description}}
chuman.co.jp
Open Graph description is not detected on the main page of Chuman. 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: