Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

kaisei-group.co.jp

開成教育グループ - 大学進学までの小学生・中学生・高校生一貫教育

Page Load Speed

8.2 sec in total

First Response

596 ms

Resources Loaded

7.1 sec

Page Rendered

459 ms

kaisei-group.co.jp screenshot

About Website

Visit kaisei-group.co.jp now to see the best up-to-date Kaisei Group content for Japan and also check out these interesting facts you probably never knew about kaisei-group.co.jp

開成教育グループの公式サイト。進学塾をお探しなら、塾生25,500名の教育ネットワークが拡がる開成教育グループにお任せください。

Visit kaisei-group.co.jp

Key Findings

We analyzed Kaisei-group.co.jp page load time and found that the first response time was 596 ms and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kaisei-group.co.jp performance score

0

Network Requests Diagram

kaisei-group.co.jp

596 ms

www.kaisei-group.co.jp

1055 ms

common.css

579 ms

layout.css

597 ms

animate.css

1174 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 62% of them (70 requests) were addressed to the original Kaisei-group.co.jp, 4% (4 requests) were made to Tag.ladsp.com and 4% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Kaisei-group.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 330.7 kB (15%)

Content Size

2.2 MB

After Optimization

1.9 MB

In fact, the total size of Kaisei-group.co.jp main page is 2.2 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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 23.2 kB

  • Original 30.0 kB
  • After minification 28.0 kB
  • After compression 6.8 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 23.2 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 9.7 kB

  • Original 1.7 MB
  • After minification 1.7 MB

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. Kaisei Group images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 195.6 kB

  • Original 323.3 kB
  • After minification 290.7 kB
  • After compression 127.6 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 195.6 kB or 61% of the original size.

CSS Optimization

-90%

Potential reduce by 102.1 kB

  • Original 112.8 kB
  • After minification 82.5 kB
  • After compression 10.7 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. Kaisei-group.co.jp needs all CSS files to be minified and compressed as it can save up to 102.1 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (49%)

Requests Now

103

After Optimization

53

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kaisei Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

SEO Factors

kaisei-group.co.jp SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kaisei-group.co.jp can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Kaisei-group.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.

Social Sharing Optimization

Open Graph data is detected on the main page of Kaisei Group. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: