Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

zenkandokuha.com

全巻読破.COM- 漫画全巻セットの大人買い専門店

Page Load Speed

16 sec in total

First Response

1.5 sec

Resources Loaded

13.7 sec

Page Rendered

829 ms

zenkandokuha.com screenshot

About Website

Visit zenkandokuha.com now to see the best up-to-date Zenkandokuha content for Japan and also check out these interesting facts you probably never knew about zenkandokuha.com

漫画全巻購入は【全巻読破.COM】。漫画・まんが・コミック・DVDの全巻セット専門書店です。中古・新品 選べるのは全巻読破.COMだけ!!お得なポイントバックシステムあり。

Visit zenkandokuha.com

Key Findings

We analyzed Zenkandokuha.com page load time and found that the first response time was 1.5 sec and then it took 14.5 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

zenkandokuha.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value11,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value24.0 s

1/100

10%

Network Requests Diagram

zenkandokuha.com

1453 ms

import.css

306 ms

common.js

324 ms

css.js

325 ms

navi.js

329 ms

Our browser made a total of 195 requests to load all elements on the main page. We found that 81% of them (158 requests) were addressed to the original Zenkandokuha.com, 5% (10 requests) were made to Static.xx.fbcdn.net and 2% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Zenkandokuha.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 332.5 kB (8%)

Content Size

4.2 MB

After Optimization

3.8 MB

In fact, the total size of Zenkandokuha.com main page is 4.2 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 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 81.5 kB

  • Original 98.6 kB
  • After minification 79.7 kB
  • After compression 17.1 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 18.9 kB, which is 19% 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 81.5 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 7.6 kB

  • Original 3.7 MB
  • After minification 3.7 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. Zenkandokuha images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 135.4 kB

  • Original 210.2 kB
  • After minification 182.3 kB
  • After compression 74.9 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 135.4 kB or 64% of the original size.

CSS Optimization

-86%

Potential reduce by 108.0 kB

  • Original 125.7 kB
  • After minification 87.8 kB
  • After compression 17.6 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. Zenkandokuha.com needs all CSS files to be minified and compressed as it can save up to 108.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (27%)

Requests Now

186

After Optimization

136

The browser has sent 186 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zenkandokuha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zenkandokuha.com accessibility score

57

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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

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

zenkandokuha.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

zenkandokuha.com SEO score

54

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Zenkandokuha.com 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 Zenkandokuha.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

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