Tools & Wizards About Us
ato-shoten.co.jp screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ato-shoten.co.jp

中国書籍の亜東書店 | 中国、台湾、香港、韓国の輸入図書販売

Page Load Speed

6 sec in total

First Response

353 ms

Resources Loaded

5.5 sec

Page Rendered

158 ms

ato-shoten.co.jp screenshot

About Website

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

中国書籍の亜東書店 | 中国、台湾、香港、韓国の輸入図書販売

Visit ato-shoten.co.jp

Key Findings

We analyzed Ato-shoten.co.jp page load time and found that the first response time was 353 ms and then it took 5.7 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

ato-shoten.co.jp performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

ato-shoten.co.jp

353 ms

www.ato-shoten.co.jp

1521 ms

js

80 ms

lang.js

289 ms

framework.css

573 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 73% of them (103 requests) were addressed to the original Ato-shoten.co.jp, 13% (18 requests) were made to Static.xx.fbcdn.net and 6% (8 requests) were made to Scontent-iad3-2.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Ato-shoten.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 311.3 kB (15%)

Content Size

2.1 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ato-shoten.co.jp main page is 2.1 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. 70% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 72.1 kB

  • Original 90.5 kB
  • After minification 80.8 kB
  • After compression 18.3 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 9.7 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 72.1 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 43.4 kB

  • Original 1.6 MB
  • After minification 1.6 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. Ato Shoten images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 4.5 kB

  • Original 93.8 kB
  • After minification 93.8 kB
  • After compression 89.3 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

-83%

Potential reduce by 191.2 kB

  • Original 231.4 kB
  • After minification 191.1 kB
  • After compression 40.2 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. Ato-shoten.co.jp needs all CSS files to be minified and compressed as it can save up to 191.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (26%)

Requests Now

138

After Optimization

102

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 138 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ato Shoten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ato-shoten.co.jp

ato-shoten.co.jp

353 ms

www.ato-shoten.co.jp

www.ato-shoten.co.jp

1521 ms

js

js

80 ms

lang.js

lang.js

289 ms

framework.css

framework.css

573 ms

moo_min.js

moo_min.js

723 ms

broswerstore.js

broswerstore.js

437 ms

formplus.js

formplus.js

583 ms

patch.js

patch.js

437 ms

popup.js

popup.js

584 ms

mbox.js

mbox.js

740 ms

shop_min.css

shop_min.css

1020 ms

lang.js

lang.js

715 ms

lang.css

lang.css

740 ms

style.css

style.css

875 ms

mbox.css

mbox.css

857 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

1011 ms

v0.js

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24 ms

mt.js

mt.js

730 ms

common.js

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731 ms

layer.js

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859 ms

base.css

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146 ms

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146 ms

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63 ms

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64 ms

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872 ms

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Accessibility Review

ato-shoten.co.jp accessibility score

50

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

ato-shoten.co.jp best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ato-shoten.co.jp SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 Ato-shoten.co.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 Ato-shoten.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

ato-shoten.co.jp

Open Graph description is not detected on the main page of Ato Shoten. 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: