Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

spd.k-manga.jp

まんが王国|無料漫画・電子コミックが3000作品以上!お得感No.1

Page Load Speed

6.6 sec in total

First Response

601 ms

Resources Loaded

5.5 sec

Page Rendered

536 ms

spd.k-manga.jp screenshot

About Website

Visit spd.k-manga.jp now to see the best up-to-date Spd K Manga content for Japan and also check out these interesting facts you probably never knew about spd.k-manga.jp

無料漫画・電子コミックが3000作品以上!お得感No.1。会員登録不要、アプリ不要ですぐ読める。1冊丸ごと無料、期間限定無料漫画、完結作品から新刊まで多数配信!国内最大級の電子コミックサイト、漫画・電子コミックを読むなら「まんが王国」。

Visit spd.k-manga.jp

Key Findings

We analyzed Spd.k-manga.jp page load time and found that the first response time was 601 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

spd.k-manga.jp performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

index.html

601 ms

comic.k-manga.jp

1178 ms

2a2d897.css

319 ms

ad6c02c.js

596 ms

6d2d21f.js

451 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Spd.k-manga.jp, 11% (8 requests) were made to Comic.k-manga.jp and 11% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Kmsp-img.k-manga.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 225.6 kB (24%)

Content Size

948.0 kB

After Optimization

722.4 kB

In fact, the total size of Spd.k-manga.jp main page is 948.0 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. 50% of websites need less resources to load. Images take 629.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 46.1 kB

  • Original 58.6 kB
  • After minification 52.6 kB
  • After compression 12.5 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 46.1 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 2.9 kB

  • Original 629.0 kB
  • After minification 626.1 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. Spd K Manga images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 125.0 kB

  • Original 197.4 kB
  • After minification 176.9 kB
  • After compression 72.4 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 125.0 kB or 63% of the original size.

CSS Optimization

-82%

Potential reduce by 51.6 kB

  • Original 63.0 kB
  • After minification 62.6 kB
  • After compression 11.4 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. Spd.k-manga.jp needs all CSS files to be minified and compressed as it can save up to 51.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (34%)

Requests Now

71

After Optimization

47

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spd K Manga. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

spd.k-manga.jp accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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.

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

Links do not have a discernible name

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

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

spd.k-manga.jp best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

spd.k-manga.jp SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Spd.k-manga.jp 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 Spd.k-manga.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

Open Graph description is not detected on the main page of Spd K Manga. 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: