Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

sosei.co.jp

そせいスキンケアシリーズ|年齢肌が気になる大人女性の基礎化粧品【SOSEI Online】

Page Load Speed

10.3 sec in total

First Response

1.1 sec

Resources Loaded

7.8 sec

Page Rendered

1.3 sec

sosei.co.jp screenshot

About Website

Welcome to sosei.co.jp homepage info - get ready to check SOSEI best content right away, or after learning these important things about sosei.co.jp

保湿クリームや化粧水など、エイジングケア化粧品の通販ならソセイオンライン。化粧下地や美容液、健康食品やサプリメントなども取り扱っております。ぜひご利用ください。

Visit sosei.co.jp

Key Findings

We analyzed Sosei.co.jp page load time and found that the first response time was 1.1 sec and then it took 9.2 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

sosei.co.jp performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.285

42/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

www.sosei.co.jp

1123 ms

cross-border-cart.css

330 ms

index.css

698 ms

top.css

618 ms

jquery.min.js

25 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 8% of them (8 requests) were addressed to the original Sosei.co.jp, 74% (71 requests) were made to Img11.shop-pro.jp and 6% (6 requests) were made to Img.shop-pro.jp. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Img11.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 448.9 kB (24%)

Content Size

1.9 MB

After Optimization

1.4 MB

In fact, the total size of Sosei.co.jp main page is 1.9 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. 50% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 38.6 kB

  • Original 46.8 kB
  • After minification 36.1 kB
  • After compression 8.3 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 10.8 kB, which is 23% 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 38.6 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 22.0 kB

  • Original 1.3 MB
  • After minification 1.2 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. SOSEI images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 159.6 kB

  • Original 274.0 kB
  • After minification 270.1 kB
  • After compression 114.4 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 159.6 kB or 58% of the original size.

CSS Optimization

-83%

Potential reduce by 228.8 kB

  • Original 275.8 kB
  • After minification 266.3 kB
  • After compression 47.0 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. Sosei.co.jp needs all CSS files to be minified and compressed as it can save up to 228.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (24%)

Requests Now

93

After Optimization

71

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SOSEI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sosei.co.jp accessibility score

84

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 input fields do not have accessible names

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

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>).

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

sosei.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sosei.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 uses legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sosei.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 Sosei.co.jp main page’s claimed encoding is euc-jp. 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 SOSEI. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: