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kaisei-group.co.jp screenshot

Report Summary

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    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 85% 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 330.6 kB (15%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

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

-59%

Potential reduce by 195.5 kB

  • Original 330.6 kB
  • After minification 298.0 kB
  • After compression 135.1 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 195.5 kB or 59% 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

  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

kaisei-group.co.jp

kaisei-group.co.jp

596 ms

www.kaisei-group.co.jp

www.kaisei-group.co.jp

1055 ms

common.css

common.css

579 ms

layout.css

layout.css

597 ms

animate.css

animate.css

1174 ms

index.css

index.css

789 ms

jquery.min.js

jquery.min.js

6 ms

jquery.easing.min.js

jquery.easing.min.js

7 ms

wow.min.js

wow.min.js

596 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

575 ms

jquery.carouFredSel-6.2.1.js

jquery.carouFredSel-6.2.1.js

1347 ms

jquery.cookie.js

jquery.cookie.js

768 ms

smt_redirect.js

smt_redirect.js

791 ms

index.js

index.js

795 ms

logo.gif

logo.gif

199 ms

icon_request.png

icon_request.png

204 ms

icon_experience.png

icon_experience.png

214 ms

tel.gif

tel.gif

196 ms

main_vega.jpg

main_vega.jpg

986 ms

main_seminar.jpg

main_seminar.jpg

1382 ms

main_highschool.jpg

main_highschool.jpg

1727 ms

main_freestep.jpg

main_freestep.jpg

1166 ms

main_sophia.jpg

main_sophia.jpg

1609 ms

main_yozemi.jpg

main_yozemi.jpg

1638 ms

prev.png

prev.png

1184 ms

next.png

next.png

1361 ms

ttl_course.gif

ttl_course.gif

1383 ms

img_vega.jpg

img_vega.jpg

1556 ms

logo_vega.png

logo_vega.png

1578 ms

img_seminar.jpg

img_seminar.jpg

1579 ms

logo_seminar.png

logo_seminar.png

1751 ms

img_highschool.jpg

img_highschool.jpg

1775 ms

logo_highschool.png

logo_highschool.png

1776 ms

img_freestep.jpg

img_freestep.jpg

1803 ms

logo_freestep.png

logo_freestep.png

1836 ms

img_sophia.jpg

img_sophia.jpg

1918 ms

logo_sophia.png

logo_sophia.png

1945 ms

img_yozemi.jpg

img_yozemi.jpg

1971 ms

logo_yozemi.png

logo_yozemi.png

1972 ms

img_hoiku.jpg

img_hoiku.jpg

2001 ms

img_als.jpg

img_als.jpg

2036 ms

ttl_school.gif

ttl_school.gif

2112 ms

bg_school.gif

bg_school.gif

2139 ms

btn_vega.gif

btn_vega.gif

2169 ms

btn_seminar.gif

btn_seminar.gif

2170 ms

btn_highschool.gif

btn_highschool.gif

2196 ms

btn_freestep.gif

btn_freestep.gif

2234 ms

btn_sophia.gif

btn_sophia.gif

2303 ms

btn_yozemi.gif

btn_yozemi.gif

2333 ms

school01.png

school01.png

2519 ms

analytics.js

analytics.js

44 ms

gtm.js

gtm.js

72 ms

tag.js

tag.js

41 ms

gtm.js

gtm.js

97 ms

gtm.js

gtm.js

97 ms

bi.js

bi.js

524 ms

5925.js

5925.js

30 ms

tag

tag

20 ms

tag

tag

19 ms

tag

tag

17 ms

collect

collect

15 ms

collect

collect

69 ms

s

s

39 ms

u

u

35 ms

school02.png

school02.png

2372 ms

ttl_know.gif

ttl_know.gif

2205 ms

know01.jpg

know01.jpg

2435 ms

know02.jpg

know02.jpg

2291 ms

334 ms

know03.jpg

know03.jpg

1551 ms

know04.jpg

know04.jpg

1627 ms

icon_info02.gif

icon_info02.gif

1512 ms

icon_info04.gif

icon_info04.gif

1368 ms

bnr_advice.jpg

bnr_advice.jpg

1382 ms

bnr_net.jpg

bnr_net.jpg

1382 ms

bg_fnav.png

bg_fnav.png

1281 ms

logo_group.gif

logo_group.gif

1312 ms

logo_jasdaq.gif

logo_jasdaq.gif

1346 ms

ttl_group.gif

ttl_group.gif

1351 ms

bnr_vega.gif

bnr_vega.gif

1324 ms

bnr_seminar.gif

bnr_seminar.gif

1266 ms

bnr_highschool.gif

bnr_highschool.gif

1285 ms

ttl_individual.gif

ttl_individual.gif

1307 ms

bnr_freestep.gif

bnr_freestep.gif

1344 ms

bnr_sophia.gif

bnr_sophia.gif

1352 ms

ttl_image.gif

ttl_image.gif

1322 ms

bnr_yozemi.gif

bnr_yozemi.gif

1268 ms

conversion_async.js

conversion_async.js

32 ms

ya.js

ya.js

368 ms

pixel_p.js

pixel_p.js

312 ms

43 ms

38 ms

39 ms

35 ms

41 ms

40 ms

41 ms

44 ms

pb.js

pb.js

546 ms

328 ms

331 ms

362 ms

pixel_p

pixel_p

153 ms

pixel

pixel

18 ms

Pug

Pug

18 ms

sync.ad-stir.com

sync.ad-stir.com

297 ms

sync

sync

318 ms

is

is

410 ms

sync

sync

7 ms

google

google

153 ms

sd

sd

28 ms

adfunnel

adfunnel

151 ms

xrost

xrost

151 ms

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

kaisei-group.co.jp

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: