Access kyoto-aquarium.com. 梅小路京都西駅からすぐ「京都水族館」【公式サイト】

name

value

score

weighting

FCP (First Contentful Paint)

Value9.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value43.5 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.385

27/100

15%

TTI (Time to Interactive)

Value41.6 s

0/100

10%

kyoto-aquarium.com

546 ms

www.kyoto-aquarium.com

555 ms

index.css

194 ms

jquery.min.js

31 ms

rollover.js

368 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 94% of them (104 requests) were addressed to the original Kyoto-aquarium.com, 3% (3 requests) were made to Tg.socdm.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Kyoto-aquarium.com.

Content Size

884.5 kB

After Optimization

709.2 kB

In fact, the total size of Kyoto-aquarium.com main page is 884.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 676.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 40.3 kB

Original 48.6 kB
After minification 43.4 kB
After compression 8.3 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. This page needs HTML code to be minified as it can gain 5.3 kB, which is 11% 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 40.3 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 11.5 kB

Original 676.4 kB
After minification 664.9 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. Kyoto Aquarium images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 105.4 kB

Original 137.2 kB
After minification 94.0 kB
After compression 31.8 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 105.4 kB or 77% of the original size.

CSS Optimization

-81%

Potential reduce by 18.0 kB

Original 22.3 kB
After minification 18.7 kB
After compression 4.3 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. Kyoto-aquarium.com needs all CSS files to be minified and compressed as it can save up to 18.0 kB or 81% 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 Kyoto 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 16 to 1 for JavaScripts 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-*] attributes do not match their roles

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.

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

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

High

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

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

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 Kyoto-aquarium.com 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 Kyoto-aquarium.com 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

kyoto-aquarium.com

Open Graph description is not detected on the main page of Kyoto 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

梅小路京都西駅からすぐ「京都水族館」【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

kyoto-aquarium.com

www.kyoto-aquarium.com

index.css

jquery.min.js

rollover.js

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

kyoto-aquarium.com

www.kyoto-aquarium.com

index.css

jquery.min.js

rollover.js

scrollsmoothly.js

jquery.cookie.js

jquery.fontsize.js

jcarousellite_1.0.1.min.js

jquery.easing.1.3.js

jquery.skitter.js

jquery.dropdownPlain.js

contents_shift.js

swap.js

bubbleInfo.js

common.css

ga.js

bg_body.jpg

bg_wrap.png

bg_footer.jpg

bg_header2.jpg

head_logo.jpg

head_copy.gif

head_lang01_off.gif

head_lang02_off.gif

head_lang03_off.gif

head_lang04_off.gif

head_lang05_off.gif

head_txt01.gif

fontsize-s.jpg

fontsize-m.jpg

fontsize-l.jpg

head_fb.jpg

head_twitter.jpg

head_youtube.jpg

head_btn01.jpg

head_btn05_off.jpg

head_btn02_off.jpg

head_btn03_off.jpg

head_btn04_off.jpg

bg_gnavi.jpg

gnavi.png

gnavi_bg.jpg