Access amro-net.jp. 流星電波観測国際プロジェクト

Report Summary

About Website

Welcome to amro-net.jp homepage info - get ready to check Amro Net best content for Japan right away, or after learning these important things about amro-net.jp

流星をアマチュア無線やＦＭ放送の電波を用いて観測し、天候や日中に左右されず、流星群の解析を行っています。

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name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.14

79/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

amro-net.jp

547 ms

www.amro-net.jp

1281 ms

dashicons.min.css

832 ms

thickbox.css

503 ms

style.min.css

844 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 86% of them (55 requests) were addressed to the original Amro-net.jp, 5% (3 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Amro-net.jp.

Content Size

1.2 MB

After Optimization

613.6 kB

In fact, the total size of Amro-net.jp main page is 1.2 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. 40% of websites need less resources to load. CSS take 391.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 75.5 kB

Original 87.3 kB
After minification 80.3 kB
After compression 11.8 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. 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 75.5 kB or 86% of the original size.

Image Optimization

-8%

Potential reduce by 28.9 kB

Original 374.1 kB
After minification 345.3 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. Amro Net images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 168.2 kB

Original 338.5 kB
After minification 335.1 kB
After compression 170.4 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 168.2 kB or 50% of the original size.

CSS Optimization

-78%

Potential reduce by 304.9 kB

Original 391.1 kB
After minification 389.4 kB
After compression 86.2 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. Amro-net.jp needs all CSS files to be minified and compressed as it can save up to 304.9 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amro Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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/).

High

Document uses 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 Amro-net.jp 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 Amro-net.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

amro-net.jp

Open Graph data is detected on the main page of Amro Net. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

流星電波観測国際プロジェクト

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)