Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

rustees.jp

オリジナルTシャツのプリント【ラスティーズ】

Page Load Speed

6.6 sec in total

First Response

500 ms

Resources Loaded

5.5 sec

Page Rendered

527 ms

rustees.jp screenshot

About Website

Welcome to rustees.jp homepage info - get ready to check Rustees best content for Japan right away, or after learning these important things about rustees.jp

オリジナルTシャツのプリント制作なら【ラスティーズ】におまかせ!最大70%OFFも夢じゃない!自社工場完備で業界No.1の品質・低価格・納品スピードを実現しています。ぜひ一度お問い合わせください。

Visit rustees.jp

Key Findings

We analyzed Rustees.jp page load time and found that the first response time was 500 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

rustees.jp performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.21

59/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

rustees.jp

500 ms

index.css

487 ms

jquery-1.10.2.min.js

606 ms

jquery.biggerlink.js

297 ms

s_retargeting.js

621 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 85% of them (112 requests) were addressed to the original Rustees.jp, 2% (3 requests) were made to Googleads.g.doubleclick.net and 2% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Rustees.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 233.5 kB (14%)

Content Size

1.7 MB

After Optimization

1.5 MB

In fact, the total size of Rustees.jp main page is 1.7 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. 60% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 34.2 kB

  • Original 41.0 kB
  • After minification 34.0 kB
  • After compression 6.7 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 7.0 kB, which is 17% 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 34.2 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 61.8 kB

  • Original 1.4 MB
  • After minification 1.4 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. Rustees images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 93.0 kB

  • Original 181.8 kB
  • After minification 179.9 kB
  • After compression 88.8 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 93.0 kB or 51% of the original size.

CSS Optimization

-84%

Potential reduce by 44.4 kB

  • Original 53.0 kB
  • After minification 40.9 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. Rustees.jp needs all CSS files to be minified and compressed as it can save up to 44.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (13%)

Requests Now

127

After Optimization

111

The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rustees. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

rustees.jp accessibility score

77

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

Best Practices

rustees.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

SEO Factors

rustees.jp SEO score

97

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

High

Tap targets are not sized appropriately

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 Rustees.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 Rustees.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 Rustees. 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: