Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cbon.co.jp

【公式】シーボン(C'BON)│ホームケア(化粧品)とサロンケア(フェイシャルケア)で美肌へと導く化粧品メーカーの公式サイト

Page Load Speed

26.9 sec in total

First Response

517 ms

Resources Loaded

25.2 sec

Page Rendered

1.1 sec

cbon.co.jp screenshot

About Website

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

ホームケア(化粧品)とサロンケア(フェイシャルケア)で美肌へと導く化粧品メーカー シーボン(C'BON)の公式サイト。人気のクレンジングクリーム「トリートメントマセ」や、保湿、美白、エイジングケアラインをご用意

Visit cbon.co.jp

Key Findings

We analyzed Cbon.co.jp page load time and found that the first response time was 517 ms and then it took 26.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

cbon.co.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value21.2 s

0/100

25%

SI (Speed Index)

Value33.1 s

0/100

10%

TBT (Total Blocking Time)

Value49,750 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value281.2 s

0/100

10%

Network Requests Diagram

cbon.co.jp

517 ms

www.cbon.co.jp

870 ms

1024 ms

style.css

682 ms

font_size.css

695 ms

Our browser made a total of 358 requests to load all elements on the main page. We found that 48% of them (171 requests) were addressed to the original Cbon.co.jp, 13% (47 requests) were made to Use.typekit.net and 8% (30 requests) were made to Video.visumo.jp. The less responsive or slowest element that took the longest time to load (11.4 sec) belongs to the original domain Cbon.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 571.3 kB (12%)

Content Size

4.7 MB

After Optimization

4.1 MB

In fact, the total size of Cbon.co.jp main page is 4.7 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. Only a small number of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 182.7 kB

  • Original 216.7 kB
  • After minification 198.1 kB
  • After compression 33.9 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 182.7 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 69.2 kB

  • Original 3.1 MB
  • After minification 3.0 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. C BON images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 274.5 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 869.4 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 274.5 kB or 24% of the original size.

CSS Optimization

-24%

Potential reduce by 44.8 kB

  • Original 188.5 kB
  • After minification 187.7 kB
  • After compression 143.7 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. Cbon.co.jp needs all CSS files to be minified and compressed as it can save up to 44.8 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 159 (54%)

Requests Now

294

After Optimization

135

The browser has sent 294 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C BON. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 72 to 1 for JavaScripts and from 61 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cbon.co.jp accessibility score

81

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

cbon.co.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

cbon.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

Links are not crawlable

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

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cbon.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 Cbon.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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