Access bookcom.net. 10冊109,800円からの自費出版 | 自費出版の会

bookcom.net screenshot

25

Performance

Renders faster than
44% of other websites
92

Accessibility

Visual factors better than
that of 80% of websites
58

Best Practices

More advanced features
available than in
19% of websites
100

SEO

Google-friendlier than
95% of websites

First Response

612 ms

Resources Loaded

12 sec

Page Rendered

5.8 sec

bookcom.net screenshot

About Website

Click here to check amazing Bookcom content for Japan. Otherwise, check out these important facts you probably never knew about bookcom.net

自費出版の方法や費用、原稿のまとめ方、印刷・出版・著作権の基礎知識、国会図書館への納本制度、役立つリンク先等を紹介。編集やデザインに関するご質問への回答や出版用語の解説も。自費出版の会（東京都新宿区）は経験豊かな編集者があなたをサポートします。

Visit bookcom.net

Key Findings

We analyzed Bookcom.net page load time and found that the first response time was 612 ms and then it took 17.8 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.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.467

19/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

bookcom.net

612 ms

www.bookcom.net

828 ms

bookcom_main.css

515 ms

main_other.css

364 ms

analytics.js

374 ms

Our browser made a total of 292 requests to load all elements on the main page. We found that 99% of them (290 requests) were addressed to the original Bookcom.net, 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Bookcom.net.

Content Size

1.6 MB

After Optimization

1.6 MB

In fact, the total size of Bookcom.net main page is 1.6 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 20.7 kB

Original 26.4 kB
After minification 25.2 kB
After compression 5.7 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 20.7 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 22.8 kB

Original 1.6 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. Bookcom images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 1.1 kB

Original 18.9 kB
After minification 18.7 kB
After compression 17.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-83%

Potential reduce by 24.4 kB

Original 29.3 kB
After minification 21.1 kB
After compression 4.9 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. Bookcom.net needs all CSS files to be minified and compressed as it can save up to 24.4 kB or 83% of the original size.

Requests Now

290

After Optimization

283

The browser has sent 290 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bookcom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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.

High

<frame> or <iframe> elements do not have a title

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

JA
Language Claimed

JA
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bookcom.net 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 Bookcom.net main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

bookcom.net

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