Tools & Wizards About Us
radio-part.com screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% 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

radio-part.com

ラジオパーツジャパン 本店

Page Load Speed

6.4 sec in total

First Response

1.1 sec

Resources Loaded

5 sec

Page Rendered

311 ms

radio-part.com screenshot

About Website

Visit radio-part.com now to see the best up-to-date Radio Part content for Japan and also check out these interesting facts you probably never knew about radio-part.com

アマチュア無線,アンテナ,アンプ,アンテナチューナ機器類ならラジオパーツジャパン

Visit radio-part.com

Key Findings

We analyzed Radio-part.com page load time and found that the first response time was 1.1 sec and then it took 5.3 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

radio-part.com performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value3.0 s

95/100

10%

Network Requests Diagram

www.radio-part.com

1107 ms

594183-s.css

1551 ms

rateit.css

98 ms

js

57 ms

cart-pc.js

295 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 10% of them (6 requests) were addressed to the original Radio-part.com, 40% (25 requests) were made to Thumb-cart.fc2img.com and 35% (22 requests) were made to Cart.fc2img.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Thumb-cart.fc2img.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 87.3 kB (18%)

Content Size

489.0 kB

After Optimization

401.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radio-part.com main page is 489.0 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. 45% of websites need less resources to load. Images take 381.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 46.9 kB

  • Original 57.9 kB
  • After minification 46.2 kB
  • After compression 11.0 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 11.7 kB, which is 20% 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 46.9 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 35.9 kB

  • Original 381.0 kB
  • After minification 345.1 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. Radio Part images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 579 B

  • Original 41.0 kB
  • After minification 41.0 kB
  • After compression 40.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-44%

Potential reduce by 4.0 kB

  • Original 9.1 kB
  • After minification 9.1 kB
  • After compression 5.1 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. Radio-part.com needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 44% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (8%)

Requests Now

59

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Part. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.radio-part.com

www.radio-part.com

1107 ms

594183-s.css

594183-s.css

1551 ms

rateit.css

rateit.css

98 ms

js

js

57 ms

cart-pc.js

cart-pc.js

295 ms

widgets.js

widgets.js

17 ms

gallery-lightbox.js

gallery-lightbox.js

283 ms

jquery.masonry.min.js

jquery.masonry.min.js

285 ms

42615307211fc272cca01523973bf77a.jpg

42615307211fc272cca01523973bf77a.jpg

823 ms

solarbrief.php

solarbrief.php

127 ms

YahooKanban210208.jpg

YahooKanban210208.jpg

822 ms

cart.png

cart.png

505 ms

image1.jpg

image1.jpg

506 ms

image2.jpg

image2.jpg

569 ms

image3.jpg

image3.jpg

570 ms

horizontal_solution_4_jcb.gif

horizontal_solution_4_jcb.gif

591 ms

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CGAntennalogo.JPG

677 ms

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CG3000Front-S.jpg

673 ms

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IMG_2898CTU-S.jpg

758 ms

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IMG_2941-S.jpg

762 ms

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787 ms

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WiMoUkeraineLogo.png

851 ms

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850 ms

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949 ms

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954 ms

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1009 ms

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1042 ms

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1019 ms

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1039 ms

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1155 ms

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1145 ms

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998 ms

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1160 ms

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1306 ms

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1322 ms

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1384 ms

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1380 ms

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1486 ms

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1469 ms

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1491 ms

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1568 ms

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1573 ms

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1573 ms

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1644 ms

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1650 ms

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1820 ms

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1963 ms

solarbrief.php

solarbrief.php

23 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

34 ms

jquery.lightbox.css

jquery.lightbox.css

97 ms

settings

settings

69 ms

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button.856debeac157d9669cf51e73a08fbc93.js

5 ms

embeds

embeds

24 ms

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14 ms

Accessibility Review

radio-part.com 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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

radio-part.com best practices score

67

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

radio-part.com 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

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radio-part.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Radio-part.com 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

radio-part.com

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