Tools & Wizards About Us

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

utyuu-tanosimu.net

宇宙の星雲、惑星など、ワクワクする楽しみ方

Page Load Speed

23.3 sec in total

First Response

523 ms

Resources Loaded

22.3 sec

Page Rendered

462 ms

About Website

Welcome to utyuu-tanosimu.net homepage info - get ready to check Utyuu Tanosimu best content for Japan right away, or after learning these important things about utyuu-tanosimu.net

宇宙に存在する星雲や惑星をはじめとする様々な星を観察したり撮影したりと、それぞれの楽しみ方について初心者でもわかりやすく書いています。

Visit utyuu-tanosimu.net

Key Findings

We analyzed Utyuu-tanosimu.net page load time and found that the first response time was 523 ms and then it took 22.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

utyuu-tanosimu.net performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

utyuu-tanosimu.net

523 ms

utyuu-tanosimu.net

1163 ms

style.min.css

175 ms

view.css

345 ms

mediaelementplayer-legacy.min.css

511 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 86% of them (42 requests) were addressed to the original Utyuu-tanosimu.net, 8% (4 requests) were made to I0.wp.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Ir-jp.amazon-adsystem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.4 kB (15%)

Content Size

646.2 kB

After Optimization

548.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Utyuu-tanosimu.net main page is 646.2 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. 35% of websites need less resources to load. Images take 410.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 63.2 kB

  • Original 81.6 kB
  • After minification 78.1 kB
  • After compression 18.4 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 63.2 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 410.9 kB
  • After minification 409.8 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. Utyuu Tanosimu images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 8.5 kB

  • Original 65.1 kB
  • After minification 65.1 kB
  • After compression 56.5 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 8.5 kB or 13% of the original size.

CSS Optimization

-28%

Potential reduce by 24.6 kB

  • Original 88.7 kB
  • After minification 88.2 kB
  • After compression 64.1 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. Utyuu-tanosimu.net needs all CSS files to be minified and compressed as it can save up to 24.6 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (52%)

Requests Now

44

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Utyuu Tanosimu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

utyuu-tanosimu.net accessibility score

69

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

utyuu-tanosimu.net best practices score

75

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

utyuu-tanosimu.net SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Utyuu-tanosimu.net 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 Utyuu-tanosimu.net 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 data is detected on the main page of Utyuu Tanosimu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: