Access aquarium.co.jp. 鳥羽水族館公式サイト

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

aquarium.co.jp

552 ms

index.php

200 ms

jquery.min.js

379 ms

styles.css

366 ms

slick.css

357 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 71% of them (80 requests) were addressed to the original Aquarium.co.jp, 7% (8 requests) were made to Snapwidget.com and 6% (7 requests) were made to Tripadvisor.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Aquarium.co.jp.

Content Size

9.6 MB

After Optimization

9.2 MB

In fact, the total size of Aquarium.co.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 9.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 32.8 kB

Original 41.2 kB
After minification 33.1 kB
After compression 8.4 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. This page needs HTML code to be minified as it can gain 8.1 kB, which is 20% 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 32.8 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 264.6 kB

Original 9.3 MB
After minification 9.1 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. Aquarium images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 34.8 kB

Original 186.5 kB
After minification 186.5 kB
After compression 151.8 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 34.8 kB or 19% of the original size.

CSS Optimization

-16%

Potential reduce by 5.2 kB

Original 32.0 kB
After minification 32.0 kB
After compression 26.8 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. Aquarium.co.jp needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 16% of the original size.

Requests Now

108

After Optimization

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aquarium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

ARIA input fields do not have accessible names

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 the experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

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 doesn't use legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aquarium.co.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Aquarium.co.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

aquarium.co.jp

Open Graph description is not detected on the main page of Aquarium. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

鳥羽水族館 公式サイト

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

aquarium.co.jp

index.php

jquery.min.js

styles.css

slick.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

aquarium.co.jp

index.php

jquery.min.js

styles.css

slick.css

slick-theme.css

lightbox.min.css

lity.min.css

lity.min.js

html5shiv.min.js

respond.min.js

aos.css

js

snapwidget.js

slick.min.js

jquery.matchHeight-min.js

lightbox.min.js

aos.js

TweenMax.min.js

wavify.js

jquery.wavify.js

jquery-ui.min.js

jquery.simplesidebar.js

common.js

css

wejs

wejs

150_logo-11900-2.png

CoE2017_WidgetAsset-14348-2.png

logo.png

movie_poster.jpg

toggle_btn.png

en-pctb.png

en-sp.png

news_arrow.png

more_icon.png

main_contens_btn_back.jpg

main_contents_btn_triangle.png

main_info_icon.png

main_map_icon.png

main_ticket_icon.png

slide01.jpg

slide_caption_back.png

鳥羽水族館公式サイト