Access kodansha-novels.jp. 講談社文芸第三出版部｜講談社文芸第三出版部

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value4,380 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value27.3 s

0/100

10%

kodansha-novels.jp

674 ms

reset.css

391 ms

icon.css

396 ms

common_bc_header.css

414 ms

base.css

292 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 61% of them (70 requests) were addressed to the original Kodansha-novels.jp, 16% (18 requests) were made to Platform.twitter.com and 8% (9 requests) were made to Bookclub.kodansha.co.jp. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Kodansha-novels.jp.

Content Size

2.0 MB

After Optimization

1.8 MB

In fact, the total size of Kodansha-novels.jp main page is 2.0 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. 75% 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 45.1 kB

Original 55.7 kB
After minification 48.4 kB
After compression 10.6 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 7.3 kB, which is 13% 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 45.1 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 5.3 kB

Original 1.7 MB
After minification 1.7 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. Kodansha Novels images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 98.9 kB

Original 184.1 kB
After minification 177.3 kB
After compression 85.2 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 98.9 kB or 54% of the original size.

CSS Optimization

-84%

Potential reduce by 76.0 kB

Original 90.4 kB
After minification 71.8 kB
After compression 14.4 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. Kodansha-novels.jp needs all CSS files to be minified and compressed as it can save up to 76.0 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kodansha Novels. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 10 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 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

Form elements do not have associated labels

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>).

High

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

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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 Kodansha-novels.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 Kodansha-novels.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

kodansha-novels.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

講談社文芸第三出版部｜講談社文芸第三出版部｜講談社BOOK倶楽部

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

kodansha-novels.jp

reset.css

icon.css

common_bc_header.css

base.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

kodansha-novels.jp

reset.css

icon.css

common_bc_header.css

base.css

jquery.js

bc_bootstrap.js

js

kodansha-novels.css

kodansha-novels-top.css

jquery.jscrollpane.css

sliderkit-core.css

sliderkit.css

jquery-1.10.2.min.js

novels_common.js

jquery.mousewheel.js

jquery.sliderkit.1.9.2.pack.js

jquery.jscrollpane.min.js

jquery.min.js

reset.css

icon.css

common_bc_header.css

notosansjp.css

common_bookclub.png

btn_submit_02_off.gif

top_novels.png

top_swide.jpg

top_swide.jpg

top_swide.jpg

top_swide.jpg

top_swide.jpg

top_bwide.jpg

top_bwide.jpg

top_bwide.jpg

top_bwide.jpg

top_bwide.jpg

pickup.gif

top_ss.jpg

ico_sp.gif

top_ss.jpg

top_ss.jpg

top_ss.jpg

top_ss.jpg