Tools & Wizards About Us
shinanobook.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

shinanobook.com

シナノブックドットコム（shinanobook.com） ｜ 印刷会社の電子書籍サイト

Page Load Speed

12.5 sec in total

First Response

769 ms

Resources Loaded

11.1 sec

Page Rendered

581 ms

shinanobook.com screenshot

About Website

Click here to check amazing Shinanobook content for Japan. Otherwise, check out these important facts you probably never knew about shinanobook.com

シナノブックドットコム（shinanobook.com）は印刷会社が運営する電子書籍販売サイトです。専門書から趣味の本まで様々なジャンルの電子書籍を揃えています。

Visit shinanobook.com

Key Findings

We analyzed Shinanobook.com page load time and found that the first response time was 769 ms and then it took 11.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

shinanobook.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.271

45/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

shinanobook.com

769 ms

www.shinanobook.com

3378 ms

styles.css

646 ms

jquery.js

992 ms

jquery.easing.js

542 ms

Our browser made a total of 244 requests to load all elements on the main page. We found that 95% of them (233 requests) were addressed to the original Shinanobook.com, 1% (3 requests) were made to S7.addthis.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Shinanobook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 605.8 kB (26%)

Content Size

2.3 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shinanobook.com main page is 2.3 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. 65% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 111.7 kB

  • Original 140.6 kB
  • After minification 138.6 kB
  • After compression 28.9 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 111.7 kB or 79% of the original size.

Image Optimization

-9%

Potential reduce by 153.2 kB

  • Original 1.7 MB
  • After minification 1.5 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. Shinanobook images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 318.8 kB

  • Original 505.7 kB
  • After minification 500.8 kB
  • After compression 187.0 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 318.8 kB or 63% of the original size.

CSS Optimization

-83%

Potential reduce by 22.1 kB

  • Original 26.6 kB
  • After minification 20.6 kB
  • After compression 4.5 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. Shinanobook.com needs all CSS files to be minified and compressed as it can save up to 22.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (9%)

Requests Now

240

After Optimization

218

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 240 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shinanobook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

shinanobook.com

shinanobook.com

769 ms

www.shinanobook.com

www.shinanobook.com

3378 ms

styles.css

styles.css

646 ms

jquery.js

jquery.js

992 ms

jquery.easing.js

jquery.easing.js

542 ms

bookshelf.js

bookshelf.js

378 ms

addthis_widget.js

addthis_widget.js

9 ms

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148 ms

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26 ms

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513 ms

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174 ms

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545 ms

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190 ms

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172 ms

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170 ms

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971 ms

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1073 ms

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1048 ms

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1043 ms

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1065 ms

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1014 ms

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973 ms

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1046 ms

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1026 ms

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1044 ms

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1041 ms

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1034 ms

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1021 ms

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1025 ms

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1006 ms

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1044 ms

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1033 ms

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1055 ms

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1048 ms

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1001 ms

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1002 ms

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1022 ms

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1037 ms

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1077 ms

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1075 ms

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997 ms

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977 ms

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1007 ms

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1033 ms

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1092 ms

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1102 ms

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988 ms

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972 ms

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997 ms

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1024 ms

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1092 ms

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1098 ms

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1016 ms

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976 ms

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984 ms

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1028 ms

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1093 ms

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1078 ms

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997 ms

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1026 ms

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973 ms

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1039 ms

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1058 ms

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1082 ms

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995 ms

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1001 ms

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1026 ms

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1043 ms

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1038 ms

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1049 ms

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1024 ms

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1004 ms

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1052 ms

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1043 ms

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1016 ms

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1025 ms

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1004 ms

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1038 ms

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1079 ms

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1040 ms

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1094 ms

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1005 ms

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1016 ms

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1066 ms

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1095 ms

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1063 ms

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1016 ms

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1021 ms

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1054 ms

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1071 ms

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1123 ms

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1083 ms

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1022 ms

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1172 ms

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1046 ms

Accessibility Review

shinanobook.com accessibility score

62

Accessibility Issues

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.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

shinanobook.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

shinanobook.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shinanobook.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Shinanobook.com 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

shinanobook.com

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