Report Summary

  • 18

    Performance

    Renders faster than
    35% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

jrpropo.co.jp

Twin Casino

Page Load Speed

1.9 sec in total

First Response

579 ms

Resources Loaded

1.3 sec

Page Rendered

97 ms

jrpropo.co.jp screenshot

About Website

Click here to check amazing Jrpropo content for Russia. Otherwise, check out these important facts you probably never knew about jrpropo.co.jp

ラジコン操縦無線機、ラジコンヘリコプターの分野で内外の高い信頼を得、「JR PROPO」のブランドネームは世界的に知られています。模型用ラジオコントロールシステム、産業用リモコン装置模型のヘリコプター・飛行機、ロボット

Visit jrpropo.co.jp

Key Findings

We analyzed Jrpropo.co.jp page load time and found that the first response time was 579 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

jrpropo.co.jp performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value3,070 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value17.9 s

3/100

10%

Network Requests Diagram

jrpropo.co.jp

579 ms

design.css

480 ms

page.css

324 ms

logo.png

671 ms

f.svg

493 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Jrpropo.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (671 ms) belongs to the original domain Jrpropo.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.1 kB (40%)

Content Size

30.4 kB

After Optimization

18.2 kB

In fact, the total size of Jrpropo.co.jp main page is 30.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 14.8 kB which makes up the majority of the site volume.

HTML Optimization

-51%

Potential reduce by 1.1 kB

  • Original 2.2 kB
  • After minification 2.0 kB
  • After compression 1.1 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. 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 1.1 kB or 51% of the original size.

Image Optimization

-2%

Potential reduce by 335 B

  • Original 14.8 kB
  • After minification 14.5 kB

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. Jrpropo images are well optimized though.

CSS Optimization

-80%

Potential reduce by 10.7 kB

  • Original 13.3 kB
  • After minification 10.4 kB
  • After compression 2.7 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. Jrpropo.co.jp needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jrpropo. According to our analytics all requests are already optimized.

Accessibility Review

jrpropo.co.jp accessibility score

48

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

jrpropo.co.jp best practices score

67

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

Displays images with incorrect aspect ratio

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

jrpropo.co.jp SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jrpropo.co.jp can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Jrpropo.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 description is not detected on the main page of Jrpropo. 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: