Access chair-kingdom.com. プレミアムチェア専門店 | 椅子王国 chair-kingdom.com

chair-kingdom.com screenshot

46

Performance

Renders faster than
65% of other websites
63

Accessibility

Visual factors better than
that of 28% of websites
75

Best Practices

More advanced features
available than in
35% of websites
76

SEO

Google-friendlier than
35% of websites

First Response

769 ms

Resources Loaded

11.2 sec

Page Rendered

1.7 sec

chair-kingdom.com screenshot

About Website

Visit chair-kingdom.com now to see the best up-to-date Chair Kingdom content for Japan and also check out these interesting facts you probably never knew about chair-kingdom.com

オカムラコンテッサセコンダ（ContessaⅡ）シルフィー（Sylphy）,コクヨイング（ing）デュオラ2（Duora2）等有名メーカーオフィスチェアを業界最安クラスで販売する通販サイトです。

Visit chair-kingdom.com

Key Findings

We analyzed Chair-kingdom.com page load time and found that the first response time was 769 ms and then it took 13 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

chair-kingdom.com

769 ms

slide.css

370 ms

jquery.min.js

34 ms

slide.js

384 ms

import.css

385 ms

Our browser made a total of 216 requests to load all elements on the main page. We found that 87% of them (187 requests) were addressed to the original Chair-kingdom.com, 9% (19 requests) were made to Bsdbiz.net and 1% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Chair-kingdom.com.

Content Size

10.4 MB

After Optimization

6.5 MB

In fact, the total size of Chair-kingdom.com main page is 10.4 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 10.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.0 kB

Original 55.0 kB
After minification 53.5 kB
After compression 10.1 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 45.0 kB or 82% of the original size.

Image Optimization

-36%

Potential reduce by 3.6 MB

Original 10.1 MB
After minification 6.4 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. Obviously, Chair Kingdom needs image optimization as it can save up to 3.6 MB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 120.6 kB

Original 204.4 kB
After minification 193.8 kB
After compression 83.8 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 120.6 kB or 59% of the original size.

CSS Optimization

-85%

Potential reduce by 48.7 kB

Original 57.1 kB
After minification 40.2 kB
After compression 8.5 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. Chair-kingdom.com needs all CSS files to be minified and compressed as it can save up to 48.7 kB or 85% of the original size.

Requests Now

211

After Optimization

189

The browser has sent 211 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chair Kingdom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

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

Links do not have a discernible name

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

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.

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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 Chair-kingdom.com 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 Chair-kingdom.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

chair-kingdom.com

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