Tools & Wizards About Us
gakuyo.co.jp screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

gakuyo.co.jp

株式会社　学陽書房 ｜「信頼｣｢斬新｣｢面白い｣を実現する！

Page Load Speed

7.2 sec in total

First Response

1.3 sec

Resources Loaded

5.4 sec

Page Rendered

458 ms

gakuyo.co.jp screenshot

About Website

Welcome to gakuyo.co.jp homepage info - get ready to check Gakuyo best content for Japan right away, or after learning these important things about gakuyo.co.jp

1948年創業の出版社。法規集・行政書・学校教育書・法律実務書の専門出版社です。新刊案内、書籍検索、採用情報、会社情報などを提供しています。

Visit gakuyo.co.jp

Key Findings

We analyzed Gakuyo.co.jp page load time and found that the first response time was 1.3 sec and then it took 5.8 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

gakuyo.co.jp performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.434

21/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

gakuyo.co.jp

1333 ms

www.gakuyo.co.jp

3103 ms

_lib.css

513 ms

common.css

854 ms

swiper.min.css

688 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 37% of them (17 requests) were addressed to the original Gakuyo.co.jp, 46% (21 requests) were made to Hondana-image.s3.amazonaws.com and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Gakuyo.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 428.6 kB (37%)

Content Size

1.1 MB

After Optimization

717.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gakuyo.co.jp main page is 1.1 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. 45% of websites need less resources to load. Images take 595.6 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 138.9 kB

  • Original 149.7 kB
  • After minification 70.4 kB
  • After compression 10.8 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. This page needs HTML code to be minified as it can gain 79.3 kB, which is 53% 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 138.9 kB or 93% of the original size.

Image Optimization

-0%

Potential reduce by 68 B

  • Original 595.6 kB
  • After minification 595.6 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. Gakuyo images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 218.6 kB

  • Original 315.5 kB
  • After minification 308.9 kB
  • After compression 97.0 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 218.6 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 71.1 kB

  • Original 84.8 kB
  • After minification 71.4 kB
  • After compression 13.7 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. Gakuyo.co.jp needs all CSS files to be minified and compressed as it can save up to 71.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (27%)

Requests Now

44

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gakuyo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

gakuyo.co.jp

gakuyo.co.jp

1333 ms

www.gakuyo.co.jp

www.gakuyo.co.jp

3103 ms

_lib.css

_lib.css

513 ms

common.css

common.css

854 ms

swiper.min.css

swiper.min.css

688 ms

top.css

top.css

729 ms

js

js

66 ms

widgets.js

widgets.js

100 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

621 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

343 ms

jquery.tile.min.js

jquery.tile.min.js

605 ms

common.js

common.js

605 ms

swiper.min.js

swiper.min.js

862 ms

top.js

top.js

629 ms

analytics.js

analytics.js

119 ms

gakuyo_logo.jpg

gakuyo_logo.jpg

133 ms

normal_d5cd6d5e-781b-4baa-ba20-0a241d615921.jpg

normal_d5cd6d5e-781b-4baa-ba20-0a241d615921.jpg

173 ms

icon_search.svg

icon_search.svg

247 ms

btn_facebook.gif

btn_facebook.gif

246 ms

btn_twitter.gif

btn_twitter.gif

247 ms

btn_instagram.gif

btn_instagram.gif

255 ms

icon_book.png

icon_book.png

255 ms

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normal_e08794d6-eed3-4f2f-ba75-639e39b02df3.jpg

146 ms

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normal_54268cbc-6b3e-4ca4-9e5f-00b5b7515f39.jpg

161 ms

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normal_30ece309-8147-4449-9ba9-abf2bfc7be43.jpeg

153 ms

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normal_647ddcb2-233c-44a5-a974-933c078f512c.jpg

196 ms

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normal_efe7ede2-8ac7-4f8d-b8a7-3d4f3fce0e52.JPG

153 ms

normal_f19c0a4e-eea6-46b5-acfb-4e4cfccf8a1c.jpg

normal_f19c0a4e-eea6-46b5-acfb-4e4cfccf8a1c.jpg

197 ms

normal_d07ee3ba-868a-4b8f-ae14-322240df96db.jpg

normal_d07ee3ba-868a-4b8f-ae14-322240df96db.jpg

196 ms

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204 ms

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195 ms

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normal_6d193dbb-385e-4fc8-a96c-914a41c28aed.jpg

214 ms

normal_89619c0e-f4fd-48ba-83d8-0b29e718139f.JPG

normal_89619c0e-f4fd-48ba-83d8-0b29e718139f.JPG

294 ms

normal_2fd6a690-694c-4008-8082-febecff6b247.JPG

normal_2fd6a690-694c-4008-8082-febecff6b247.JPG

229 ms

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normal_fb57a611-4cf6-49ab-a450-f7fb8b78373f.jpg

221 ms

normal_c30ef717-2a82-4c11-80fd-30d28b2c8c01.jpg

normal_c30ef717-2a82-4c11-80fd-30d28b2c8c01.jpg

229 ms

normal_f1695a35-b4f9-4ed4-8ef1-6a975c9b1b6b.jpg

normal_f1695a35-b4f9-4ed4-8ef1-6a975c9b1b6b.jpg

250 ms

normal_9c3f9b2f-5bdb-4411-a37d-23427f48e4f8.jpg

normal_9c3f9b2f-5bdb-4411-a37d-23427f48e4f8.jpg

269 ms

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normal_ca55b5ee-afaa-44a0-ba73-13ca302601ad.jpg

234 ms

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normal_0bedeb90-87c8-4835-a72b-10d1f948fbdd.jpg

246 ms

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normal_ff025079-bc35-4e74-9424-852515458bcf.jpg

286 ms

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253 ms

collect

collect

14 ms

collect

collect

27 ms

js

js

48 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

59 ms

Accessibility Review

gakuyo.co.jp accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

gakuyo.co.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

gakuyo.co.jp SEO score

91

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Gakuyo.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 Gakuyo.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

gakuyo.co.jp

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