Tools & Wizards About Us
radioboy.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

radioboy.org

ラジオ少年

Page Load Speed

2.7 sec in total

First Response

892 ms

Resources Loaded

1.5 sec

Page Rendered

377 ms

radioboy.org screenshot

About Website

Click here to check amazing Radioboy content for Japan. Otherwise, check out these important facts you probably never knew about radioboy.org

ラジオ部品を格安で頒布しています

Visit radioboy.org

Key Findings

We analyzed Radioboy.org page load time and found that the first response time was 892 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

radioboy.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

radioboy.org

892 ms

table.css

346 ms

DSC_022421111.jpg

910 ms

DSC_051811.jpg

353 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Radioboy.org and no external sources were called. The less responsive or slowest element that took the longest time to load (910 ms) belongs to the original domain Radioboy.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.7 kB (20%)

Content Size

66.9 kB

After Optimization

53.2 kB

  • HTML
  • Images

In fact, the total size of Radioboy.org main page is 66.9 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. Images take 51.1 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 11.1 kB

  • Original 15.8 kB
  • After minification 14.9 kB
  • After compression 4.7 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. 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 11.1 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 2.6 kB

  • Original 51.1 kB
  • After minification 48.6 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. Radioboy images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • Images

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radioboy. According to our analytics all requests are already optimized.

Network Requests Diagram

radioboy.org

radioboy.org

892 ms

table.css

table.css

346 ms

DSC_022421111.jpg

DSC_022421111.jpg

910 ms

DSC_051811.jpg

DSC_051811.jpg

353 ms

Accessibility Review

radioboy.org accessibility score

61

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

radioboy.org best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

radioboy.org SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radioboy.org 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 Radioboy.org main page’s claimed encoding is shift_jis. 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

radioboy.org

Open Graph description is not detected on the main page of Radioboy. 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: