Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

st-online.jp

st-online.jp – このドメインはお名前.comで取得されています。

Page Load Speed

6.9 sec in total

First Response

713 ms

Resources Loaded

5.9 sec

Page Rendered

276 ms

st-online.jp screenshot

About Website

Visit st-online.jp now to see the best up-to-date St Online content for Japan and also check out these interesting facts you probably never knew about st-online.jp

SUPRA TOKYOの公式通販サイト。スニーカー、アパレル、レディース販売。スープラのアジア発となるオフィシャルオンラインストア。

Visit st-online.jp

Key Findings

We analyzed St-online.jp page load time and found that the first response time was 713 ms and then it took 6.1 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

st-online.jp performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value250 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value3.3 s

93/100

10%

Network Requests Diagram

713 ms

normalize.css

176 ms

common.css

315 ms

element.css

347 ms

bootstrap.min.css

525 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 63% of them (69 requests) were addressed to the original St-online.jp, 18% (20 requests) were made to Scontent.cdninstagram.com and 13% (14 requests) were made to Img21.shop-pro.jp. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain St-online.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 404.3 kB (15%)

Content Size

2.6 MB

After Optimization

2.2 MB

In fact, the total size of St-online.jp main page is 2.6 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

-84%

Potential reduce by 35.9 kB

  • Original 43.0 kB
  • After minification 34.5 kB
  • After compression 7.1 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. This page needs HTML code to be minified as it can gain 8.5 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 35.9 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 53.7 kB

  • Original 2.2 MB
  • After minification 2.1 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. St Online images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 139.1 kB

  • Original 216.9 kB
  • After minification 205.5 kB
  • After compression 77.8 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 139.1 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 175.6 kB

  • Original 209.4 kB
  • After minification 182.3 kB
  • After compression 33.8 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. St-online.jp needs all CSS files to be minified and compressed as it can save up to 175.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (30%)

Requests Now

106

After Optimization

74

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of St Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

st-online.jp accessibility score

76

Accessibility Issues

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

st-online.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

st-online.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise St-online.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 St-online.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 St Online. 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: