Tools & Wizards About Us
o-museum.or.jp screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

o-museum.or.jp

大塚国際美術館｜徳島県鳴門市にある陶板名画美術館

Page Load Speed

8.3 sec in total

First Response

1.1 sec

Resources Loaded

6.8 sec

Page Rendered

400 ms

o-museum.or.jp screenshot

About Website

Visit o-museum.or.jp now to see the best up-to-date O Museum content for Japan and also check out these interesting facts you probably never knew about o-museum.or.jp

「大塚国際美術館」は、大塚グループが創立75周年記念事業として徳島県鳴門市に設立した日本最大級の常設展示スペース（延床面積29,412平米）を有する「陶板名画美術館」です。

Visit o-museum.or.jp

Key Findings

We analyzed O-museum.or.jp page load time and found that the first response time was 1.1 sec and then it took 7.2 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

o-museum.or.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value4,490 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value23.0 s

1/100

10%

Network Requests Diagram

o-museum.or.jp

1053 ms

reset.css

335 ms

font-awesome.css

511 ms

style.css

515 ms

pc.css

516 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 78% of them (60 requests) were addressed to the original O-museum.or.jp, 9% (7 requests) were made to Youtube.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain O-museum.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (35%)

Content Size

3.4 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of O-museum.or.jp main page is 3.4 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 79.4 kB

  • Original 99.7 kB
  • After minification 99.4 kB
  • After compression 20.3 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 79.4 kB or 80% of the original size.

Image Optimization

-40%

Potential reduce by 1.1 MB

  • Original 2.7 MB
  • After minification 1.6 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. Obviously, O Museum needs image optimization as it can save up to 1.1 MB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 51.5 kB

  • Original 536.6 kB
  • After minification 534.6 kB
  • After compression 485.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 7.3 kB

  • Original 109.2 kB
  • After minification 109.1 kB
  • After compression 101.8 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. O-museum.or.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 41 (56%)

Requests Now

73

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O Museum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

o-museum.or.jp

o-museum.or.jp

1053 ms

reset.css

reset.css

335 ms

font-awesome.css

font-awesome.css

511 ms

style.css

style.css

515 ms

pc.css

pc.css

516 ms

jquery-3.5.1.js

jquery-3.5.1.js

1219 ms

jquery-migrate-1.4.1.js

jquery-migrate-1.4.1.js

528 ms

resize_img.js

resize_img.js

669 ms

pcFixedMenu.css

pcFixedMenu.css

677 ms

design_pc.css

design_pc.css

679 ms

froala_editor.pkgd.min.css

froala_editor.pkgd.min.css

683 ms

custom.css

custom.css

700 ms

design_detail.css

design_detail.css

837 ms

msg.js

msg.js

845 ms

jquery.cookie.js

jquery.cookie.js

846 ms

animate.css

animate.css

850 ms

vegas.min.css

vegas.min.css

873 ms

sp_shape.css

sp_shape.css

1003 ms

js

js

84 ms

normal-heder.css

normal-heder.css

1012 ms

header.css

header.css

1014 ms

page.css

page.css

1017 ms

picturefill.min.js

picturefill.min.js

884 ms

jquery.ba-throttle-debounce.js

jquery.ba-throttle-debounce.js

1011 ms

three.min.js

three.min.js

1916 ms

theta_bg.js

theta_bg.js

1021 ms

covervid.js

covervid.js

1025 ms

jquery.tubular.1.0.js

jquery.tubular.1.0.js

1831 ms

vegas.js

vegas.js

1835 ms

marquee.min.js

marquee.min.js

1834 ms

jquery.easing.min.js

jquery.easing.min.js

1835 ms

sp_onload.js

sp_onload.js

1835 ms

scrollmenu.js

scrollmenu.js

1835 ms

fontplus.js

fontplus.js

886 ms

analysis.js

analysis.js

1835 ms

header.png

header.png

182 ms

header.css

header.css

181 ms

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201907121359008364.png

181 ms

sprite.png

sprite.png

182 ms

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3027 ms

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210 ms

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530 ms

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529 ms

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673 ms

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748 ms

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675 ms

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677 ms

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678 ms

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737 ms

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738 ms

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737 ms

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746 ms

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1061 ms

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950 ms

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949 ms

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201907291129333152.png

951 ms

fixed.png

fixed.png

950 ms

LEyrNOJGjGQ

LEyrNOJGjGQ

203 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1198 ms

201908081447121033.png

201908081447121033.png

850 ms

f_bgimage.png

f_bgimage.png

881 ms

ptop_bgimage.png

ptop_bgimage.png

882 ms

iframe_api

iframe_api

55 ms

www-player.css

www-player.css

10 ms

www-embed-player.js

www-embed-player.js

29 ms

base.js

base.js

58 ms

www-widgetapi.js

www-widgetapi.js

332 ms

ad_status.js

ad_status.js

275 ms

LvMrC3vzHFP8SzxjvqNWRksbkOPiJTf11ILX4Pq8Ybc.js

LvMrC3vzHFP8SzxjvqNWRksbkOPiJTf11ILX4Pq8Ybc.js

208 ms

embed.js

embed.js

98 ms

AIdro_k5uvq92jk9DY8iKby8xK2DpWowiq5LDJq2SMpvqCCBcw=s68-c-k-c0x00ffffff-no-rj

AIdro_k5uvq92jk9DY8iKby8xK2DpWowiq5LDJq2SMpvqCCBcw=s68-c-k-c0x00ffffff-no-rj

273 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

68 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

70 ms

id

id

47 ms

Create

Create

148 ms

GenerateIT

GenerateIT

16 ms

Accessibility Review

o-museum.or.jp accessibility score

71

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

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

o-museum.or.jp 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

o-museum.or.jp SEO score

86

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 uses legible font sizes

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 O-museum.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 O-museum.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

o-museum.or.jp

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