Tools & Wizards About Us
wonder.co.jp screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

wonder.co.jp

WonderGOO

Page Load Speed

8.7 sec in total

First Response

539 ms

Resources Loaded

7.7 sec

Page Rendered

479 ms

wonder.co.jp screenshot

About Website

Welcome to wonder.co.jp homepage info - get ready to check Wonder best content for Japan right away, or after learning these important things about wonder.co.jp

WonderGOOはゲームソフト、音楽CD、DVD、書籍、携帯電話などを扱う、エンタテインメント専門店です。WonderGOO は全国のそれぞれの地域で最も販売力のある「一番店」を目指します。

Visit wonder.co.jp

Key Findings

We analyzed Wonder.co.jp page load time and found that the first response time was 539 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

wonder.co.jp performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value1.147

1/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

wonder.co.jp

539 ms

www.wonder.co.jp

1706 ms

common.css

162 ms

home.css

321 ms

jquery.min.js

29 ms

Our browser made a total of 179 requests to load all elements on the main page. We found that 83% of them (148 requests) were addressed to the original Wonder.co.jp, 8% (15 requests) were made to Pbs.twimg.com and 4% (7 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Wonder.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (9%)

Content Size

11.0 MB

After Optimization

10.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wonder.co.jp main page is 11.0 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 10.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 65.3 kB

  • Original 79.1 kB
  • After minification 70.5 kB
  • After compression 13.8 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 8.6 kB, which is 11% 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 65.3 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 801.6 kB

  • Original 10.7 MB
  • After minification 9.9 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. Wonder images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 45.7 kB

  • Original 73.4 kB
  • After minification 69.0 kB
  • After compression 27.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 45.7 kB or 62% of the original size.

CSS Optimization

-83%

Potential reduce by 93.7 kB

  • Original 113.1 kB
  • After minification 112.8 kB
  • After compression 19.4 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. Wonder.co.jp needs all CSS files to be minified and compressed as it can save up to 93.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (9%)

Requests Now

175

After Optimization

159

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 175 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wonder. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wonder.co.jp

wonder.co.jp

539 ms

www.wonder.co.jp

www.wonder.co.jp

1706 ms

common.css

common.css

162 ms

home.css

home.css

321 ms

jquery.min.js

jquery.min.js

29 ms

jquery.droppy.js

jquery.droppy.js

370 ms

jquery.maphilight.js

jquery.maphilight.js

372 ms

trunk8.js

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370 ms

common.js

common.js

372 ms

jquery.slides.min.js

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372 ms

jquery.cookie.js

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468 ms

home.js

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466 ms

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syndication

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103 ms

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284 ms

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Accessibility Review

wonder.co.jp accessibility score

83

Accessibility Issues

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

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

wonder.co.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

wonder.co.jp SEO score

100

Search Engine Optimization Advices

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

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 Wonder.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 Wonder.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

wonder.co.jp

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