Tools & Wizards About Us
gentosha-comics.net screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

gentosha-comics.net

幻冬舎コミックス

Page Load Speed

7.4 sec in total

First Response

539 ms

Resources Loaded

6 sec

Page Rendered

841 ms

gentosha-comics.net screenshot

About Website

Visit gentosha-comics.net now to see the best up-to-date Gentosha Comics content for Japan and also check out these interesting facts you probably never knew about gentosha-comics.net

コミックス、小説、写真集などを出版する幻冬舎コミックスの公式サイト。最新情報・特典情報などはこちらから。

Visit gentosha-comics.net

Key Findings

We analyzed Gentosha-comics.net page load time and found that the first response time was 539 ms and then it took 6.9 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

gentosha-comics.net performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value7,880 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.753

6/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

gentosha-comics.net

539 ms

www.gentosha-comics.net

1057 ms

common.css

171 ms

css2

45 ms

swiper.min.css

337 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 86% of them (65 requests) were addressed to the original Gentosha-comics.net, 5% (4 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Gentosha-comics.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 524.7 kB (4%)

Content Size

12.3 MB

After Optimization

11.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gentosha-comics.net main page is 12.3 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. 70% of websites need less resources to load. Images take 11.6 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 286.4 kB

  • Original 311.2 kB
  • After minification 197.1 kB
  • After compression 24.7 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. This page needs HTML code to be minified as it can gain 114.1 kB, which is 37% 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 286.4 kB or 92% of the original size.

Image Optimization

-0%

Potential reduce by 13.5 kB

  • Original 11.6 MB
  • After minification 11.6 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. Gentosha Comics images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 173.2 kB

  • Original 266.7 kB
  • After minification 264.1 kB
  • After compression 93.5 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 173.2 kB or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 51.5 kB

  • Original 63.3 kB
  • After minification 52.8 kB
  • After compression 11.8 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. Gentosha-comics.net needs all CSS files to be minified and compressed as it can save up to 51.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (29%)

Requests Now

73

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gentosha Comics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

gentosha-comics.net

gentosha-comics.net

539 ms

www.gentosha-comics.net

www.gentosha-comics.net

1057 ms

common.css

common.css

171 ms

css2

css2

45 ms

swiper.min.css

swiper.min.css

337 ms

top.css

top.css

487 ms

js

js

67 ms

js

js

123 ms

widgets.js

widgets.js

117 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

864 ms

common.js

common.js

673 ms

loader.min.js

loader.min.js

136 ms

swiper.min.js

swiper.min.js

1035 ms

slider.js

slider.js

673 ms

top.js

top.js

673 ms

js

js

207 ms

analytics.js

analytics.js

221 ms

js

js

236 ms

top-logo.svg

top-logo.svg

286 ms

icon-search.svg

icon-search.svg

273 ms

search-icon.png

search-icon.png

294 ms

facebook.svg

facebook.svg

286 ms

line.svg

line.svg

435 ms

x.svg

x.svg

434 ms

arrow_select.png

arrow_select.png

490 ms

6514.jpg

6514.jpg

1454 ms

5184.jpg

5184.jpg

2144 ms

4487.jpg

4487.jpg

3819 ms

4488.jpg

4488.jpg

1566 ms

4489.jpg

4489.jpg

1286 ms

4490.jpg

4490.jpg

1450 ms

5277.jpg

5277.jpg

1457 ms

6489.jpg

6489.jpg

1622 ms

4494.jpg

4494.jpg

1786 ms

4491.jpg

4491.jpg

1630 ms

6068.jpg

6068.jpg

1730 ms

prev.png

prev.png

1790 ms

next.png

next.png

1798 ms

643555.jpg

643555.jpg

1892 ms

643551.jpg

643551.jpg

1954 ms

643552.jpg

643552.jpg

1957 ms

643553.jpg

643553.jpg

1966 ms

643554.jpg

643554.jpg

2054 ms

643556.jpg

643556.jpg

2122 ms

645402.jpg

645402.jpg

2125 ms

645403.jpg

645403.jpg

2136 ms

645404.jpg

645404.jpg

2216 ms

645405.jpg

645405.jpg

2289 ms

642130.jpg

642130.jpg

2216 ms

643564.jpg

643564.jpg

2226 ms

643560.jpg

643560.jpg

2230 ms

font

font

134 ms

643557.jpg

643557.jpg

2304 ms

collect

collect

79 ms

collect

collect

62 ms

643558.jpg

643558.jpg

2181 ms

643563.jpg

643563.jpg

2184 ms

643559.jpg

643559.jpg

2192 ms

643561.jpg

643561.jpg

2196 ms

643562.jpg

643562.jpg

2278 ms

arrow_more_btn.svg

arrow_more_btn.svg

2196 ms

2560.png

2560.png

2201 ms

2561.png

2561.png

2159 ms

2562.png

2562.png

2163 ms

3174.png

3174.png

1446 ms

2712.png

2712.png

1348 ms

2563.png

2563.png

1350 ms

arrow_blue.svg

arrow_blue.svg

1357 ms

store-banner01.jpg

store-banner01.jpg

1253 ms

3154.jpg

3154.jpg

1273 ms

2923.jpg

2923.jpg

1334 ms

2851.jpg

2851.jpg

1238 ms

2198.jpg

2198.jpg

1196 ms

2197.jpg

2197.jpg

1197 ms

page-top.png

page-top.png

1257 ms

abj.png

abj.png

1242 ms

Accessibility Review

gentosha-comics.net accessibility score

84

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

gentosha-comics.net 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

High

Page has valid source maps

SEO Factors

gentosha-comics.net SEO score

96

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gentosha-comics.net 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 Gentosha-comics.net 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

gentosha-comics.net

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