Tools & Wizards About Us
yokosuka-arts.or.jp screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

yokosuka-arts.or.jp

横須賀芸術劇場

Page Load Speed

8 sec in total

First Response

554 ms

Resources Loaded

7.1 sec

Page Rendered

369 ms

yokosuka-arts.or.jp screenshot

About Website

Click here to check amazing Yokosuka Arts content for Japan. Otherwise, check out these important facts you probably never knew about yokosuka-arts.or.jp

横須賀芸術劇場は、大・小2つの異なる顔を持つ劇場からなり、活力のある街横須賀のシンボルとして芸術文化と賑わいの拠点となっています。

Visit yokosuka-arts.or.jp

Key Findings

We analyzed Yokosuka-arts.or.jp page load time and found that the first response time was 554 ms and then it took 7.4 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

yokosuka-arts.or.jp performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value24.2 s

0/100

10%

TBT (Total Blocking Time)

Value17,110 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.361

30/100

15%

TTI (Time to Interactive)

Value29.3 s

0/100

10%

Network Requests Diagram

yokosuka-arts.or.jp

554 ms

www.yokosuka-arts.or.jp

1400 ms

js

57 ms

js

107 ms

gtm.js

152 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 67% of them (56 requests) were addressed to the original Yokosuka-arts.or.jp, 22% (18 requests) were made to Platform.twitter.com and 5% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Yokosuka-arts.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 612.8 kB (6%)

Content Size

9.6 MB

After Optimization

9.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yokosuka-arts.or.jp main page is 9.6 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. 70% of websites need less resources to load. Images take 8.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.8 kB

  • Original 55.5 kB
  • After minification 45.3 kB
  • After compression 9.8 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. This page needs HTML code to be minified as it can gain 10.2 kB, which is 18% 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 45.8 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 54.9 kB

  • Original 8.9 MB
  • After minification 8.9 MB

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. Yokosuka Arts images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 329.8 kB

  • Original 411.0 kB
  • After minification 239.5 kB
  • After compression 81.2 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 329.8 kB or 80% of the original size.

CSS Optimization

-84%

Potential reduce by 182.4 kB

  • Original 216.0 kB
  • After minification 155.8 kB
  • After compression 33.7 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. Yokosuka-arts.or.jp needs all CSS files to be minified and compressed as it can save up to 182.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (53%)

Requests Now

81

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yokosuka Arts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yokosuka-arts.or.jp

yokosuka-arts.or.jp

554 ms

www.yokosuka-arts.or.jp

www.yokosuka-arts.or.jp

1400 ms

js

js

57 ms

js

js

107 ms

gtm.js

gtm.js

152 ms

reset.css

reset.css

460 ms

icon-fonts.css

icon-fonts.css

812 ms

jquery.slick.css

jquery.slick.css

494 ms

base.css

base.css

656 ms

module.css

module.css

1063 ms

parts.css

parts.css

533 ms

sp_base.css

sp_base.css

644 ms

sp_module.css

sp_module.css

819 ms

sp_parts.css

sp_parts.css

709 ms

jquery.js

jquery.js

1758 ms

viewport.js

viewport.js

817 ms

jquery.responsive_elements.js

jquery.responsive_elements.js

886 ms

jquery.cookie.js

jquery.cookie.js

971 ms

jquery.accessible.js

jquery.accessible.js

980 ms

jquery.ah_placeholder.js

jquery.ah_placeholder.js

979 ms

jquery.sidr.min.js

jquery.sidr.min.js

1067 ms

common.js

common.js

1132 ms

jquery.slick.js

jquery.slick.js

1466 ms

parts.js

parts.js

1142 ms

index.js

index.js

1236 ms

index.js

index.js

1238 ms

index.js

index.js

1292 ms

js

js

111 ms

analytics.js

analytics.js

105 ms

widgets.js

widgets.js

132 ms

collect

collect

19 ms

logo.png

logo.png

187 ms

social-btn-fb.png

social-btn-fb.png

182 ms

social-btn-tw.png

social-btn-tw.png

186 ms

social-btn-yb.png

social-btn-yb.png

181 ms

social-btn-ig.png

social-btn-ig.png

180 ms

nojimamWEBTOPbanner-pc.png

nojimamWEBTOPbanner-pc.png

1058 ms

bunkakaikanwebtopbanner-pc.png

bunkakaikanwebtopbanner-pc.png

2420 ms

img-mainvisual-2024lineup-pc.png

img-mainvisual-2024lineup-pc.png

1303 ms

img-mainvisual-01-pc.png

img-mainvisual-01-pc.png

2603 ms

img-mainvisual-02-pc.png

img-mainvisual-02-pc.png

2822 ms

img-mainvisual-03-pc.png

img-mainvisual-03-pc.png

1672 ms

img-mainvisual-04-pc.png

img-mainvisual-04-pc.png

3172 ms

img-mainvisual-05-pc.png

img-mainvisual-05-pc.png

3256 ms

bnr_2024lineup.jpg

bnr_2024lineup.jpg

1877 ms

bnr_yokosuka_news.jpg

bnr_yokosuka_news.jpg

2047 ms

bnr_yokogei.jpg

bnr_yokogei.jpg

2233 ms

newswebbanner.jpg

newswebbanner.jpg

2419 ms

DSC00442%EF%BC%88%E3%82%A2%E3%82%A4%E3%82%AD%E3%83%A3%E3%83%83%E3%83%81%EF%BC%89.jpg

DSC00442%EF%BC%88%E3%82%A2%E3%82%A4%E3%82%AD%E3%83%A3%E3%83%83%E3%83%81%EF%BC%89.jpg

2581 ms

%E6%96%B0%E8%A6%8F%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88-65.jpg

%E6%96%B0%E8%A6%8F%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88-65.jpg

2606 ms

%E6%96%B0%E8%A6%8F%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88-55.jpg

%E6%96%B0%E8%A6%8F%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88-55.jpg

2744 ms

%E3%82%A2%E3%82%A4%E3%82%AD%E3%83%A3%E3%83%83%E3%83%81%E7%B4%A0%E6%9D%90_%E3%82%A2%E3%83%BC%E3%83%88%E3%83%9C%E3%83%BC%E3%83%89-1-scaled.jpg

%E3%82%A2%E3%82%A4%E3%82%AD%E3%83%A3%E3%83%83%E3%83%81%E7%B4%A0%E6%9D%90_%E3%82%A2%E3%83%BC%E3%83%88%E3%83%9C%E3%83%BC%E3%83%89-1-scaled.jpg

3579 ms

blogeyecatch.jpg

blogeyecatch.jpg

2792 ms

bnr_popcircusbanner.png

bnr_popcircusbanner.png

2905 ms

bnr_yokosukaichiban.png

bnr_yokosukaichiban.png

2979 ms

bnr_baysquare.png

bnr_baysquare.png

2998 ms

bnr_yokosukaseniorcompany.png

bnr_yokosukaseniorcompany.png

3068 ms

bnr_ycch.png

bnr_ycch.png

3165 ms

bnr_ychh.png

bnr_ychh.png

3175 ms

footerlogo.png

footerlogo.png

3229 ms

icn-foot.png

icn-foot.png

3351 ms

icn-link.png

icn-link.png

3223 ms

logo-scroll.png

logo-scroll.png

3227 ms

fbevents.js

fbevents.js

22 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

61 ms

settings

settings

95 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

23 ms

yat_twi

yat_twi

1315 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

34 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

54 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

75 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

86 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

108 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

110 ms

_buildManifest.js

_buildManifest.js

126 ms

_ssgManifest.js

_ssgManifest.js

126 ms

8526.0c32a8f0cfc5749221a3.js

8526.0c32a8f0cfc5749221a3.js

23 ms

1755.07a49c40b12af4f75780.js

1755.07a49c40b12af4f75780.js

25 ms

8283.f3e5048cca7cef5eed7f.js

8283.f3e5048cca7cef5eed7f.js

26 ms

3077.44bfeb00af01bc4020f6.js

3077.44bfeb00af01bc4020f6.js

45 ms

1362.42d432e02f7980bca032.js

1362.42d432e02f7980bca032.js

56 ms

4956.c4e51ef593974b9db0bb.js

4956.c4e51ef593974b9db0bb.js

63 ms

5893.d500bd2a89ded806aa73.js

5893.d500bd2a89ded806aa73.js

23 ms

Accessibility Review

yokosuka-arts.or.jp accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

yokosuka-arts.or.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

yokosuka-arts.or.jp SEO score

89

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

Links do not have descriptive text

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 Yokosuka-arts.or.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 Yokosuka-arts.or.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

yokosuka-arts.or.jp

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