Access netoff.co.jp. 【公式】ネットオフ｜本・ゲーム・DVD・CDの中古通販/買取

netoff.co.jp screenshot

9

Performance

Renders faster than
23% of other websites
72

Accessibility

Visual factors better than
that of 37% of websites
67

Best Practices

More advanced features
available than in
24% of websites
85

SEO

Google-friendlier than
55% of websites

First Response

584 ms

Resources Loaded

17.2 sec

Page Rendered

579 ms

netoff.co.jp screenshot

About Website

Visit netoff.co.jp now to see the best up-to-date Netoff content for Japan and also check out these interesting facts you probably never knew about netoff.co.jp

古本、中古コミック、中古漫画の買取や購入はコミック通販サイトネットオフをご利用ください。ご自宅で本の買取が依頼できる『本&ゲーム買取コース』や『ポストにポン買取』など宅配買取サービスも充実。コミックのほかにも中古CD／DVD、中古ゲームなど60万タイトル／120万点の品揃えで、1,500円以上で送料無料！

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Key Findings

We analyzed Netoff.co.jp page load time and found that the first response time was 584 ms and then it took 17.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value5,020 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.235

53/100

15%

TTI (Time to Interactive)

Value29.2 s

0/100

10%

netoff.co.jp

584 ms

netoff.co.jp

684 ms

www.netoff.co.jp

376 ms

www.netoff.co.jp

1422 ms

index.css

15 ms

Our browser made a total of 167 requests to load all elements on the main page. We found that 69% of them (115 requests) were addressed to the original Netoff.co.jp, 5% (8 requests) were made to Googletagmanager.com and 2% (3 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Netoff.co.jp.

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of Netoff.co.jp main page is 1.5 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. 65% of websites need less resources to load. Images take 843.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 142.8 kB

Original 175.5 kB
After minification 151.8 kB
After compression 32.6 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 23.7 kB, which is 13% 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 142.8 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 33.2 kB

Original 843.1 kB
After minification 810.0 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. Netoff images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 195.9 kB

Original 386.9 kB
After minification 356.0 kB
After compression 191.0 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 195.9 kB or 51% of the original size.

CSS Optimization

-84%

Potential reduce by 77.5 kB

Original 92.1 kB
After minification 75.5 kB
After compression 14.6 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. Netoff.co.jp needs all CSS files to be minified and compressed as it can save up to 77.5 kB or 84% of the original size.

Requests Now

161

After Optimization

45

The browser has sent 161 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Netoff. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 4 to 1 for CSS 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

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 Netoff.co.jp 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 Netoff.co.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

netoff.co.jp

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