Report Summary

  • 20

    Performance

    Renders faster than
    40% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 85

    SEO

    Google-friendlier than
    62% of websites

rad-ar.or.jp

くすりの適正使用協議会

Page Load Speed

11.5 sec in total

First Response

572 ms

Resources Loaded

10.7 sec

Page Rendered

176 ms

rad-ar.or.jp screenshot

About Website

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

description from props

Visit rad-ar.or.jp

Key Findings

We analyzed Rad-ar.or.jp page load time and found that the first response time was 572 ms and then it took 10.9 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

rad-ar.or.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value30.0 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value1,180 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.106

88/100

15%

TTI (Time to Interactive)

Value19.2 s

2/100

10%

Network Requests Diagram

rad-ar.or.jp

572 ms

import.css

325 ms

top.css

326 ms

jquery.js

837 ms

jquery.cookie.js

360 ms

Our browser made a total of 167 requests to load all elements on the main page. We found that 99% of them (165 requests) were addressed to the original Rad-ar.or.jp, 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Rad-ar.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 249.3 kB (18%)

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Rad-ar.or.jp main page is 1.4 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 19.8 kB

  • Original 24.7 kB
  • After minification 20.7 kB
  • After compression 4.9 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 4.0 kB, 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 19.8 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 47.4 kB

  • Original 1.1 MB
  • After minification 1.1 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. Rad Ar images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 127.2 kB

  • Original 187.6 kB
  • After minification 174.8 kB
  • After compression 60.4 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 127.2 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 54.8 kB

  • Original 63.8 kB
  • After minification 54.0 kB
  • After compression 8.9 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. Rad-ar.or.jp needs all CSS files to be minified and compressed as it can save up to 54.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (8%)

Requests Now

166

After Optimization

153

The browser has sent 166 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rad Ar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rad-ar.or.jp accessibility score

76

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rad-ar.or.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rad-ar.or.jp SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rad-ar.or.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 Rad-ar.or.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 Rad Ar. 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: