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kawayobi.co.jp screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

kawayobi.co.jp

川崎予備校｜幸区の中学受験・高校受験の進学塾　小学生・中学生の英語・英検に強い

Page Load Speed

9.5 sec in total

First Response

1.7 sec

Resources Loaded

7.4 sec

Page Rendered

333 ms

kawayobi.co.jp screenshot

About Website

Click here to check amazing Kawayobi content. Otherwise, check out these important facts you probably never knew about kawayobi.co.jp

川崎予備校は1955年に開校以来、小学生・中学生の国公立・私立難関校受験のための進学塾として毎年数々の実績を上げています。志望校合格に導くために、一教場だからこそ実現する「面倒見の良さ」を熱心に継続する指導が強みです。

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Key Findings

We analyzed Kawayobi.co.jp page load time and found that the first response time was 1.7 sec and then it took 7.7 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

kawayobi.co.jp performance score

0

Network Requests Diagram

www.kawayobi.co.jp

1731 ms

common.css

667 ms

jcarousel.css

357 ms

jquery.min.js

25 ms

common.js

354 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 93% of them (78 requests) were addressed to the original Kawayobi.co.jp, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Kawayobi.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 501.7 kB (34%)

Content Size

1.5 MB

After Optimization

987.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kawayobi.co.jp main page is 1.5 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 28.4 kB

  • Original 34.5 kB
  • After minification 30.6 kB
  • After compression 6.0 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 3.9 kB, which is 11% 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 28.4 kB or 82% of the original size.

Image Optimization

-31%

Potential reduce by 407.9 kB

  • Original 1.3 MB
  • After minification 916.1 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. Obviously, Kawayobi needs image optimization as it can save up to 407.9 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-44%

Potential reduce by 49.6 kB

  • Original 111.5 kB
  • After minification 110.3 kB
  • After compression 61.9 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 49.6 kB or 44% of the original size.

CSS Optimization

-81%

Potential reduce by 15.8 kB

  • Original 19.5 kB
  • After minification 15.5 kB
  • After compression 3.7 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. Kawayobi.co.jp needs all CSS files to be minified and compressed as it can save up to 15.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (28%)

Requests Now

82

After Optimization

59

  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kawayobi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.kawayobi.co.jp

www.kawayobi.co.jp

1731 ms

common.css

common.css

667 ms

jcarousel.css

jcarousel.css

357 ms

jquery.min.js

jquery.min.js

25 ms

common.js

common.js

354 ms

smoothScroll.js

smoothScroll.js

368 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

727 ms

clickheat.js

clickheat.js

750 ms

gtm.js

gtm.js

118 ms

analytics.js

analytics.js

113 ms

chart

chart

100 ms

header_back_home.png

header_back_home.png

191 ms

header_logo2.png

header_logo2.png

355 ms

header_navi01.png

header_navi01.png

187 ms

header_navi02.png

header_navi02.png

167 ms

header_navi03.png

header_navi03.png

184 ms

header_phone.png

header_phone.png

350 ms

header_menu01_off.png

header_menu01_off.png

332 ms

header_menu02_off.png

header_menu02_off.png

365 ms

header_menu03_off.png

header_menu03_off.png

370 ms

header_menu04_off.png

header_menu04_off.png

372 ms

header_menu05_off.png

header_menu05_off.png

502 ms

header_menu06_off.png

header_menu06_off.png

524 ms

catch_back.png

catch_back.png

543 ms

catch_back01.png

catch_back01.png

586 ms

2016.jpg

2016.jpg

1104 ms

haru.jpg

haru.jpg

927 ms

able0411.jpg

able0411.jpg

995 ms

2016high_slide.jpg

2016high_slide.jpg

1045 ms

harutyu.jpg

harutyu.jpg

1075 ms

pre.jpg

pre.jpg

1451 ms

chenge.jpg

chenge.jpg

1296 ms

sho56.png

sho56.png

1323 ms

thu23.png

thu23.png

1394 ms

catch_back02.png

catch_back02.png

1257 ms

2016_r.jpg

2016_r.jpg

1288 ms

haru_r.jpg

haru_r.jpg

1435 ms

able0411_r.jpg

able0411_r.jpg

1474 ms

2016high_slide_r.jpg

2016high_slide_r.jpg

1486 ms

spring2016_r.jpg

spring2016_r.jpg

1487 ms

pre_r.jpg

pre_r.jpg

1566 ms

chenge_r.jpg

chenge_r.jpg

1610 ms

sho56_r.png

sho56_r.png

1630 ms

thu23_r.png

thu23_r.png

1657 ms

catch_bt01.png

catch_bt01.png

1674 ms

catch_bt02.png

catch_bt02.png

1650 ms

kyokabetu.png

kyokabetu.png

1659 ms

collect

collect

16 ms

content_back.png

content_back.png

1632 ms

news_title.png

news_title.png

1641 ms

icon_catshou.png

icon_catshou.png

1644 ms

icon_catkawa.png

icon_catkawa.png

1664 ms

news_title02.png

news_title02.png

1543 ms

icon_catkinkyu.png

icon_catkinkyu.png

1578 ms

feedicon.png

feedicon.png

1632 ms

side_back.png

side_back.png

1641 ms

submenu_title.png

submenu_title.png

1631 ms

icon_link01.png

icon_link01.png

1670 ms

mobile_title.png

mobile_title.png

1564 ms

icon_link02.png

icon_link02.png

1576 ms

access_banner.png

access_banner.png

2172 ms

eiken.png

eiken.png

2449 ms

sansu.png

sansu.png

2214 ms

test.png

test.png

2148 ms

56sougou.gif

56sougou.gif

1206 ms

challenge_banner2.jpg

challenge_banner2.jpg

1200 ms

sho4test.gif

sho4test.gif

1342 ms

sho3test.gif

sho3test.gif

1192 ms

sho2test.gif

sho2test.gif

1339 ms

gtest.gif

gtest.gif

1329 ms

national.jpg

national.jpg

1479 ms

12test_21.gif

12test_21.gif

1421 ms

try.gif

try.gif

1491 ms

eiken.gif

eiken.gif

1527 ms

contact_title.png

contact_title.png

1525 ms

contact_phone.png

contact_phone.png

1617 ms

footer_logo.png

footer_logo.png

1663 ms

footer_pagetop.png

footer_pagetop.png

1620 ms

header_menu01_on.png

header_menu01_on.png

192 ms

header_menu02_on.png

header_menu02_on.png

356 ms

header_menu03_on.png

header_menu03_on.png

374 ms

header_menu04_on.png

header_menu04_on.png

331 ms

header_menu05_on.png

header_menu05_on.png

184 ms

header_menu06_on.png

header_menu06_on.png

177 ms

SEO Factors

kawayobi.co.jp SEO score

0

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kawayobi.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 Kawayobi.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

kawayobi.co.jp

Open Graph description is not detected on the main page of Kawayobi. 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: