Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

futonten.co.jp

羽毛布団通販 こだわり安眠館 本店

Page Load Speed

10.4 sec in total

First Response

577 ms

Resources Loaded

9.1 sec

Page Rendered

725 ms

futonten.co.jp screenshot

About Website

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

羽毛布団は激安布団から西川の高級羽毛布団まで、日本最大級の品揃え!羽毛布団・枕・布団カバー・カーテン・マットレスの新着アイテムが続々登場!高橋ふとん店の通販ショップ、こだわり安眠館本店。会員登録でいつでも10%OFF【土日祝も営業】

Visit futonten.co.jp

Key Findings

We analyzed Futonten.co.jp page load time and found that the first response time was 577 ms and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

futonten.co.jp performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value1,100 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value1.002

2/100

15%

TTI (Time to Interactive)

Value13.7 s

11/100

10%

Network Requests Diagram

futonten.co.jp

577 ms

www.futonten.co.jp

950 ms

system_preset.css

573 ms

system_DesignSettings.css

772 ms

system_SizeColorSettings.css

393 ms

Our browser made a total of 174 requests to load all elements on the main page. We found that 74% of them (128 requests) were addressed to the original Futonten.co.jp, 13% (22 requests) were made to C19.future-shop.jp and 6% (10 requests) were made to Rakuten.ne.jp. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Futonten.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 400.9 kB (15%)

Content Size

2.7 MB

After Optimization

2.3 MB

In fact, the total size of Futonten.co.jp main page is 2.7 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. 55% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 67.0 kB

  • Original 80.7 kB
  • After minification 64.5 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 16.2 kB, which is 20% 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 67.0 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 41.9 kB

  • Original 2.2 MB
  • After minification 2.2 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. Futonten images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 169.6 kB

  • Original 300.8 kB
  • After minification 299.4 kB
  • After compression 131.2 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 169.6 kB or 56% of the original size.

CSS Optimization

-88%

Potential reduce by 122.5 kB

  • Original 139.1 kB
  • After minification 83.9 kB
  • After compression 16.7 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. Futonten.co.jp needs all CSS files to be minified and compressed as it can save up to 122.5 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (14%)

Requests Now

167

After Optimization

143

The browser has sent 167 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Futonten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

futonten.co.jp accessibility score

79

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

futonten.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

futonten.co.jp SEO score

92

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 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 Futonten.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 Futonten.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

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