Access 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

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value3,010 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

o-museum.or.jp

1050 ms

default.css

532 ms

style.css

358 ms

design.css

364 ms

page.css

360 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 91% of them (109 requests) were addressed to the original O-museum.or.jp, 4% (5 requests) were made to Maps.googleapis.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain O-museum.or.jp.

Content Size

11.7 MB

After Optimization

10.9 MB

In fact, the total size of O-museum.or.jp main page is 11.7 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. 65% of websites need less resources to load. Images take 10.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 77.1 kB

Original 92.1 kB
After minification 80.8 kB
After compression 15.1 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 11.4 kB, which is 12% 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 77.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 40.4 kB

Original 10.6 MB
After minification 10.6 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. O Museum images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 648.9 kB

Original 924.0 kB
After minification 857.5 kB
After compression 275.1 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 648.9 kB or 70% of the original size.

CSS Optimization

-86%

Potential reduce by 63.1 kB

Original 73.7 kB
After minification 45.9 kB
After compression 10.6 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 needs all CSS files to be minified and compressed as it can save up to 63.1 kB or 86% of the original size.

Requests Now

119

After Optimization

The browser has sent 119 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 20 to 1 for JavaScripts and from 15 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

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)

Network Requests Diagram

o-museum.or.jp

default.css

style.css

design.css

page.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

o-museum.or.jp

default.css

style.css

design.css

page.css

sexyalertbox.css

jquery-1.4.2.min.js

jquery-ui-1.8.6.custom.min.js

font01.css

pc.css

jquery.cycle.all.js

jquery.jcarousel.js

skin.css

jquery.jcarousel.css

jquery.easing.1.3.js

pc.css

thickbox.js

thickbox.css

imgpreview.js

pc.css

pc.css

pc.css

ja.css

js

widgets.js

jquery.cookie.js

marquee.js

jquery.corner.js

pc_onload_hmenu.js

twitter.fix.js

analytics.js

back.jpg

201504031850126841.jpg

logo-trans.png

logo2-trans.png

20150411104903631.png

201503271753034142.jpg

201503262050174496.jpg

201510221255015691.jpg

201504092157092230.jpg

201504051028231571.jpg

201504051029054030.jpg

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