Access epub-tw.com. 漫画・書籍を無料試し読み！

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value2,210 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

epub-tw.com

40 ms

epub-tw.com

485 ms

gtm.js

68 ms

style.css

639 ms

top.css

608 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 83% of them (33 requests) were addressed to the original Epub-tw.com, 5% (2 requests) were made to Js.ptengine.jp and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Epub-tw.com.

Content Size

439.3 kB

After Optimization

422.1 kB

In fact, the total size of Epub-tw.com main page is 439.3 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. 35% of websites need less resources to load. Images take 298.6 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 13.2 kB

Original 18.5 kB
After minification 16.2 kB
After compression 5.3 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 2.3 kB, which is 12% 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 13.2 kB or 71% of the original size.

Image Optimization

-1%

Potential reduce by 1.7 kB

Original 298.6 kB
After minification 296.9 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. EPub Tw images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 632 B

Original 115.4 kB
After minification 115.4 kB
After compression 114.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-26%

Potential reduce by 1.8 kB

Original 6.9 kB
After minification 6.9 kB
After compression 5.1 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. Epub-tw.com needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 26% of the original size.

Requests Now

After Optimization

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EPub Tw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Links do not have a discernible name

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

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 doesn't use legible font sizes

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 Epub-tw.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 Epub-tw.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

epub-tw.com

Open Graph description is not detected on the main page of EPub Tw. 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

漫画・書籍を無料試し読み！ | ePub-Tw

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

epub-tw.com

epub-tw.com

gtm.js

style.css

top.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

epub-tw.com

epub-tw.com

gtm.js

style.css

top.css

adsbygoogle.js

jquery-1.10.2.min.js

jquery.carouFredSel-6.2.1-packed.js

jquery.mousewheel.min.js

jquery.lazyload.min.js

common.js

oct.js

pta.js

logo.gif

icon_beginner.gif

bg_navi.gif

home.gif

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site-l.jpg

btn_twitter_w.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

thumbnail-site.jpg

glyphicons-halflings-regular.woff

780f7afb.js

bg.png

adsct

adsct

Accessibility Review

Accessibility Issues

Best Practices