Report Summary

  • 45

    Performance

    Renders faster than
    63% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

radwimps.jp

RADWIMPS OFFICIAL SITE

Page Load Speed

6.2 sec in total

First Response

587 ms

Resources Loaded

5.5 sec

Page Rendered

98 ms

radwimps.jp screenshot

About Website

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

RADWIMPS Official Website

Visit radwimps.jp

Key Findings

We analyzed Radwimps.jp page load time and found that the first response time was 587 ms and then it took 5.6 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

radwimps.jp performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

radwimps.jp

587 ms

www.radwimps.jp

2090 ms

default.css

532 ms

jquery.js

859 ms

jquery.cookie.js

543 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 28% of them (11 requests) were addressed to the original Radwimps.jp, 64% (25 requests) were made to Web-cache.stream.ne.jp and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Radwimps.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.4 kB (55%)

Content Size

164.2 kB

After Optimization

73.8 kB

In fact, the total size of Radwimps.jp main page is 164.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 112.3 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.7 kB

  • Original 8.5 kB
  • After minification 7.2 kB
  • After compression 2.8 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 1.3 kB, which is 15% 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 5.7 kB or 67% of the original size.

Image Optimization

-11%

Potential reduce by 3.9 kB

  • Original 35.6 kB
  • After minification 31.7 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. Obviously, RADWIMPS needs image optimization as it can save up to 3.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 74.6 kB

  • Original 112.3 kB
  • After minification 106.8 kB
  • After compression 37.7 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 74.6 kB or 66% of the original size.

CSS Optimization

-78%

Potential reduce by 6.1 kB

  • Original 7.7 kB
  • After minification 6.5 kB
  • After compression 1.7 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. Radwimps.jp needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (22%)

Requests Now

37

After Optimization

29

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RADWIMPS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

radwimps.jp accessibility score

84

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

radwimps.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

radwimps.jp SEO score

93

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

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radwimps.jp can be misinterpreted by Google and other search engines. Our service has detected that English 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 Radwimps.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 RADWIMPS. 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: