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prep.kawai-juku.ac.jp: 大学受験科・高校グリーンコースのご案内 | 河合塾で学ぶ | 大学受験の予備校・塾 河合塾

大学受験科・高校グリーンコースのご案内。河合塾なら志望大学合格がグッと近づく!!大学受験の予備校・塾、学校法人河合塾の公式サイトです。

Page load speed analysis

  • 42/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    3.3 sec

  • Resources loaded

    18.3 sec

  • Page rendered

    1.4 sec

  • Total page load time

    23.1 sec

Click here to check amazing Prep Kawai Juku content for Japan. Otherwise, check out these important facts you probably never knew about prep.kawai-juku.ac.jp

We analyzed Prep.kawai-juku.ac.jp page load time and found that the first response time was 3.3 sec and then it took 19.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Page optimization

  • HTML 91.6 kB
    Images 2.4 MB
    Javascripts 1.3 MB
    CSS 657.4 kB

    In fact, the total size of Prep.kawai-juku.ac.jp main page is 4.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.4 MB which makes up the majority of the site volume.

    • Original 91.6 kB
    • After minification 86.7 kB
    • After compression 15.0 kB

    HTML optimization

    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 76.6 kB or 84% of the original size.

    • Original 2.4 MB
    • After optimization 2.3 MB

    Image optimization

    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. Prep Kawai Juku images are well optimized though.

    • Original 1.3 MB
    • After minification 1.1 MB
    • After compression 358.4 kB

    JavaScript optimization

    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 942.4 kB or 72% of the original size.

    • Original 657.4 kB
    • After minification 608.6 kB
    • After compression 96.0 kB

    CSS optimization

    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. Prep.kawai-juku.ac.jp needs all CSS files to be minified and compressed as it can save up to 561.4 kB or 85% of the original size.

Network requests diagram

  • prep.kawai-juku.ac.jp
  • reset.css
  • group.css
  • base.css
  • parts.css
  • tinybox.css
  • cms.css
  • design.css
  • width.css
  • icon.css
  • column.css
  • module.css
  • numberIcon.css
  • jQuery_lightBox.css
  • questionList.css
  • BrightcoveExperiences.js
  • jquery-1.8.3.min.js
  • jquery.smoothScroll.js
  • base.js
  • tinybox_wr1.js
  • tinybox_wr2.js
  • script.js
  • jquery.lightbox-0.5.js
  • tabSwitch.js
  • questionList.js
  • topWR.js
  • smoothScrollforMap.js
  • article_nowrap.css
  • prep-style.css
  • scl-style.css
  • mbox.js
  • s_code_import.js
  • urchin.js
  • flipdesk_chat.js
  • target.js
  • standard
  • logo_kawaijuku01.gif
  • header_logo_001.gif
  • header_catchcopy.gif
  • header_btn_003.gif
  • header_font_caption.gif
  • header_font_s_off.gif
  • header_font_m_off.gif
  • header_font_l_off.gif
  • gnav_001_off.gif
  • gnav_002_off.gif
  • gnav_003_off.gif
  • gnav_004_off.gif
  • gnav_005_off.gif
  • gnav_006_off.gif
  • gnav_007_off.gif
  • img_top_01.jpg
  • cvbtn_hg_off.gif
  • cvbtn_dj_off.gif
  • ctlg_img_01.gif
  • ctlg_img_02.jpg
  • ctlg_img_03.jpg
  • ctlg_img_04.jpg
  • bnr_event_spring.jpg
  • ttl_prp_00.gif
  • btn_anc_01_off.gif
  • btn_anc_02_off.gif
  • btn_anc_03_off.gif
  • btn_anc_04_off.gif
  • btn_anc_05_off.gif
  • btn_anc_06_off.gif
  • btn_anc_07_off.gif
  • img_prp_0101.jpg
  • img_prp_0102.jpg
  • img_prp_0201.jpg
  • img_prp_0202.jpg
  • img_prp_0203.jpg
  • ErhMDrC8b7c
  • gRWLJMjf2X0
  • www-embed-player-vflRGs1ko.css
  • www-embed-player.js
  • base.js
  • img_prp_0204.jpg
  • bnr_short_spring.jpg
  • img_prp_0301.jpg
  • btn_moshi_off.gif
  • img_prp_0401.jpg
  • img_prp_0402.jpg
  • tag.js
  • s_code.js
  • s_code_do.js
  • img_prp_0403.gif
  • img_prp_0404.gif
  • img_prp_0405.gif
  • img_prp_0406_off.gif
  • tag
  • 01b0a9f2b2fd6aa681f5d263bfb32ba685e032c2.js
  • img_prp_0407.gif
  • img_vic_01.jpg
  • img_graf_01.jpg
  • img_vic_02.jpg
  • img_graf_02.jpg
  • Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
  • ad_status.js
  • img_vic_03.jpg
  • img_graf_03.jpg
  • zN7GBFwfMP4uA6AR0HCoLQ.ttf
  • RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
  • img_vic_00.jpg
  • img_graf_04.jpg
  • img_vic_05.jpg
  • img_graf_05.jpg
  • uiprepare
  • fbds.js
  • blade_track_jp.js
  • conversion_async.js
  • img_vic_06.jpg
  • s24234186813700
  • img_graf_06.jpg
  • img_prp_0601.jpg
  • img_prp_0602.jpg
  • img_prp_0603.jpg
  • img_prp_0604.jpg
  • flipdesk.min.js
  • bnr_footer_005.jpg
  • bnr_footer_009.jpg
  • bnr_footer_001.gif
  • bnr_footer_003.jpg
  • cookie_enabled_get.html
  • bnr_footer_002.jpg
  • bnr_footer_008.jpg
  • bnr_footer_004.jpg
  • bnr_footer_007.jpg
  • ico_line.gif
  • logo_kawaijuku02.gif
  • txt_group.gif
  • cmn_ico_001.gif
  • header_ico_001.gif
  • header_bg_001.gif
  • gnav_bg_001.png
  • chat_loading.gif
  • flipdesk.css
  • setting
  • cmn_ico_home.gif
  • cv_line_dot.gif
  • cv_icon.gif
  • bg_ctlg_top.gif
  • bg_ctlg_btm.gif
  • img_fcp_checklist.gif
  • cmn_ico_009.gif
  • icon_pass.gif
  • allow_01.gif
  • allow_02.gif
  • icon_daiju.gif
  • icon_hgreen.gif
  • icon_spring.gif
  • carret.gif
  • cmn_ico_0009.gif
  • footer_ico_001.gif
  • footer_ico_002.gif
  • footer_ico_blank.gif
  • footer_ico_facebook.gif
  • footer_ico_twitter.gif
  • __utm.gif
  • header_font_m_on.gif
  • bx_loader.gif
  • btn_back.gif
  • btn_next.gif
  • gnav_001_on.gif
  • gnav_002_on.gif
  • gnav_003_on.gif
  • gnav_004_on.gif
  • gnav_005_on.gif
  • gnav_006_on.gif
  • gnav_007_on.gif
  • cvbtn_hg_on.gif
  • cvbtn_dj_on.gif
  • btn_anc_01_on.gif
  • btn_anc_02_on.gif
  • btn_anc_03_on.gif
  • btn_anc_04_on.gif
  • btn_anc_05_on.gif
  • btn_anc_06_on.gif
  • btn_anc_07_on.gif
  • btn_moshi_on.gif
  • img_prp_0406_on.gif
  • bl_track.cgi

Our browser made a total of 187 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Prep.kawai-juku.ac.jp, 81% (151 requests) were made to Kawai-juku.ac.jp and 3% (6 requests) were made to Api.flipdesk.jp. The less responsive or slowest element that took the longest time to load (8.1 sec) relates to the external source Cache.send.microad.jp.

Additional info on prep.kawai-juku.ac.jp

Requests

The browser has sent 181 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prep Kawai Juku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

31

Javascripts

126

Images

19

CSS

5

AJAX

181

All

Possible request optimization

1

Javascripts

118

Images

1

CSS

5

AJAX

56

Optimized

125

All

Normal result

Redirects

As for redirects, our browser was forwarded to http://www.kawai-juku.ac.jp/info/prep/ before it reached this domain.

IP address

Prep.kawai-juku.ac.jp uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

prep.kawai-juku.ac.jp

geidai.kawai-juku.ac.jp

cosmo.kawai-juku.ac.jp

kokushi.kawai-juku.ac.jp

wakuwaku-catch.jp

124.110.69.31

DNS records

Type Host Target/ip TTL Other
A

oka.tt.kawai-juku.ac.jp

124.110.69.31 60
CNAME

prep.kawai-juku.ac.jp

oka.tt.kawai-juku.ac.jp 59

Language and encoding

Good result

Language

JA ja language flag

Detected

JA ja language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prep.kawai-juku.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 Prep.kawai-juku.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.

HTTPS certificate

SSL Certificate

Prep.kawai-juku.ac.jp has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 100% of all visits is Japan. It’s good for Prep.kawai-juku.ac.jp that their server is also located in Japan, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Prep Kawai Juku. 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:

prep.kawai-juku.ac.jp

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