Access i-bookcenter.com. いい本買取おすすめ

Report Summary

About Website

Welcome to i-bookcenter.com homepage info - get ready to check I Bookcenter best content for Japan right away, or after learning these important things about i-bookcenter.com

いい本買取おすすめの注目情報を調べている方には、勿論当サイトが利用価値大です！利用者の立場に立って、ホットな情報を丁寧にご紹介していますから、あなたが探していたいい本買取おすすめの情報を楽に確保できるでしょう。

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

ww12.i-bookcenter.com

287 ms

enhance.js

97 ms

arrows.png

7 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original I-bookcenter.com, 33% (1 request) were made to Parking.parklogic.com and 33% (1 request) were made to D38psrni17bvxu.cloudfront.net. The less responsive or slowest element that took the longest time to load (287 ms) relates to the external source Ww12.i-bookcenter.com.

Content Size

28.1 kB

After Optimization

17.1 kB

In fact, the total size of I-bookcenter.com main page is 28.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 15.1 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 9.9 kB

Original 15.1 kB
After minification 15.0 kB
After compression 5.2 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 9.9 kB or 65% of the original size.

Image Optimization

-2%

Potential reduce by 239 B

Original 11.4 kB
After minification 11.1 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. I Bookcenter images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 842 B

Original 1.6 kB
After minification 1.6 kB
After compression 775 B

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 842 B or 52% of the original size.

Requests Now

After Optimization

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I Bookcenter. According to our analytics all requests are already optimized.

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

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

Search Engine Optimization Advices

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

High

Page is blocked from indexing

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

Language and Encoding

Language Detected

JA
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise I-bookcenter.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that I-bookcenter.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

i-bookcenter.com

Open Graph description is not detected on the main page of I Bookcenter. 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: