Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

go-go-jb.co.jp

株式会社ジェイ・ビー | J.B.CO., LTD.

Page Load Speed

2.5 sec in total

First Response

511 ms

Resources Loaded

1.9 sec

Page Rendered

107 ms

go-go-jb.co.jp screenshot

About Website

Welcome to go-go-jb.co.jp homepage info - get ready to check Go Jb best content right away, or after learning these important things about go-go-jb.co.jp

J.B.CO., LTD.(株式会社ジェイ・ビー)は、レディースシューズや服飾雑貨の企画・小売を行っています。主なブランドは、RANDA、CAMILLE BIS RANDA、Lucca llena、A de Vivre。

Visit go-go-jb.co.jp

Key Findings

We analyzed Go-go-jb.co.jp page load time and found that the first response time was 511 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

go-go-jb.co.jp performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value30.8 s

0/100

25%

SI (Speed Index)

Value19.3 s

0/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.433

22/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

go-go-jb.co.jp

511 ms

reset.css

320 ms

base.css

335 ms

swfobject_modified.js

739 ms

get_flash_player.gif

10 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 92% of them (12 requests) were addressed to the original Go-go-jb.co.jp, 8% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (739 ms) belongs to the original domain Go-go-jb.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.0 kB (78%)

Content Size

28.0 kB

After Optimization

6.1 kB

In fact, the total size of Go-go-jb.co.jp main page is 28.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 21.7 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 3.2 kB

  • Original 4.7 kB
  • After minification 3.9 kB
  • After compression 1.5 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 744 B, which is 16% 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 3.2 kB or 68% of the original size.

JavaScript Optimization

-81%

Potential reduce by 17.7 kB

  • Original 21.7 kB
  • After minification 13.2 kB
  • After compression 4.0 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 17.7 kB or 81% of the original size.

CSS Optimization

-68%

Potential reduce by 1.1 kB

  • Original 1.7 kB
  • After minification 1.0 kB
  • After compression 542 B

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. Go-go-jb.co.jp needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 68% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Go Jb. According to our analytics all requests are already optimized.

Accessibility Review

go-go-jb.co.jp accessibility score

71

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.

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

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

go-go-jb.co.jp best practices score

83

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

Page has valid source maps

SEO Factors

go-go-jb.co.jp SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Go-go-jb.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Go-go-jb.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 Go Jb. 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: