Access bookhodai.jp. 漫画無料読み放題ならブック放題 | 漫画60,000冊・雑誌800誌・旅行ガイド300冊コスパ最強の漫画・雑誌サブスク

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value21.8 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value3,480 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.3 s

0/100

10%

bookhodai.jp

528 ms

bookhodai.jp

3043 ms

style.css

1026 ms

magnific-popup.css

695 ms

cropper.min.css

698 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 74% of them (55 requests) were addressed to the original Bookhodai.jp, 5% (4 requests) were made to Google-analytics.com and 3% (2 requests) were made to Bypass.ad-stir.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Bookhodai.jp.

Content Size

585.0 kB

After Optimization

271.5 kB

In fact, the total size of Bookhodai.jp main page is 585.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. HTML takes 260.5 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 238.2 kB

Original 260.5 kB
After minification 189.0 kB
After compression 22.4 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 71.5 kB, which is 27% 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 238.2 kB or 91% of the original size.

Image Optimization

-31%

Potential reduce by 12.6 kB

Original 40.1 kB
After minification 27.5 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, Bookhodai needs image optimization as it can save up to 12.6 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

-21%

Potential reduce by 34.2 kB

Original 162.1 kB
After minification 162.0 kB
After compression 127.9 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 34.2 kB or 21% of the original size.

CSS Optimization

-23%

Potential reduce by 28.6 kB

Original 122.4 kB
After minification 122.4 kB
After compression 93.8 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. Bookhodai.jp needs all CSS files to be minified and compressed as it can save up to 28.6 kB or 23% of the original size.

Requests Now

After Optimization

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bookhodai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

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 Bookhodai.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 Bookhodai.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

bookhodai.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

漫画無料読み放題ならブック放題 | 漫画60,000冊・雑誌800誌・旅行ガイド300冊 コスパ最強の漫画・雑誌サブスク

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

bookhodai.jp

bookhodai.jp

style.css

magnific-popup.css

cropper.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

bookhodai.jp

bookhodai.jp

style.css

magnific-popup.css

cropper.min.css

terminate-ie-support.js

jquery-1.8.3.min.js

additional.min.js

ua-parser.min.js

jquery.validate.min.js

jquery.cookie.js

jquery.magnific-popup.min.js

cropper.js

app.js

book_slide.js

optimize.js

worker_fdwt.min.js

lp.js

mk

ytag.js

avptg3lxhi

logo.png

search.png

ico_login.png

menu_icon.svg

home_icon_current.png

mag_icon.png

manga_icon.png

ico_type_title2.gif

special_banner.png

flex_mv_sp.webp

bookhodai_cv_button.webp

blank.png

heart.png

booklogo.webp

550.webp

mail_icon.webp

softbank.webp

line.webp

fb.webp

twitter.webp

apple.webp

magazine_nominal_800.webp

漫画無料読み放題ならブック放題 | 漫画60,000冊・雑誌800誌・旅行ガイド300冊コスパ最強の漫画・雑誌サブスク