Tools & Wizards About Us
stellartheater.jp screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

stellartheater.jp

河口湖ステラシアター & 河口湖円形ホール | 公式サイト

Page Load Speed

10.8 sec in total

First Response

2.3 sec

Resources Loaded

8.3 sec

Page Rendered

157 ms

stellartheater.jp screenshot

About Website

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

富士山の麓、山梨富士五湖のひとつ河口湖にある、二つのコンサートホールの公式サイト。古代ローマ劇場のような可動屋根付き野外ホールの河口湖ステラシアター。逆さ富士で有名な河口湖北岸に佇む、アコースティックコンサートに特化した河口湖円形ホール。公演情報、施設情報、アクセス情報など。

Visit stellartheater.jp

Key Findings

We analyzed Stellartheater.jp page load time and found that the first response time was 2.3 sec and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

stellartheater.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value34.1 s

0/100

25%

SI (Speed Index)

Value23.3 s

0/100

10%

TBT (Total Blocking Time)

Value2,920 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value35.1 s

0/100

10%

Network Requests Diagram

stellartheater.jp

2314 ms

js

71 ms

style.min.css

394 ms

css

44 ms

bdt-uikit.css

793 ms

Our browser made a total of 146 requests to load all elements on the main page. We found that 77% of them (113 requests) were addressed to the original Stellartheater.jp, 12% (18 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Member.fantasyworks.jp. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Stellartheater.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 578.3 kB (25%)

Content Size

2.3 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stellartheater.jp main page is 2.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 847.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 286.7 kB

  • Original 340.1 kB
  • After minification 335.7 kB
  • After compression 53.3 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 286.7 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 8.7 kB

  • Original 847.4 kB
  • After minification 838.7 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. Stellartheater images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 105.7 kB

  • Original 643.2 kB
  • After minification 643.2 kB
  • After compression 537.5 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 105.7 kB or 16% of the original size.

CSS Optimization

-37%

Potential reduce by 177.2 kB

  • Original 480.2 kB
  • After minification 467.9 kB
  • After compression 303.1 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. Stellartheater.jp needs all CSS files to be minified and compressed as it can save up to 177.2 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 98 (79%)

Requests Now

124

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stellartheater. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 59 to 1 for JavaScripts and from 41 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stellartheater.jp

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Accessibility Review

stellartheater.jp accessibility score

98

Accessibility Issues

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

stellartheater.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

stellartheater.jp SEO score

92

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

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 Stellartheater.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 Stellartheater.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

stellartheater.jp

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