Access osaka-johall.com. 大阪城ホール

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value10.8 s

7/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

osaka-johall.com

555 ms

osaka-johall.com

666 ms

www.osaka-johall.com

1037 ms

common.css

656 ms

slick.css

495 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 82% of them (108 requests) were addressed to the original Osaka-johall.com, 9% (12 requests) were made to Static.xx.fbcdn.net and 3% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (9.6 sec) belongs to the original domain Osaka-johall.com.

Content Size

8.5 MB

After Optimization

8.3 MB

In fact, the total size of Osaka-johall.com main page is 8.5 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. 60% of websites need less resources to load. Images take 8.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 84.5 kB

Original 98.7 kB
After minification 80.7 kB
After compression 14.2 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 18.0 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 84.5 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 98.8 kB

Original 8.1 MB
After minification 8.0 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. Osaka Johall images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 15.2 kB

Original 233.6 kB
After minification 233.6 kB
After compression 218.4 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

-26%

Potential reduce by 14.0 kB

Original 54.3 kB
After minification 54.3 kB
After compression 40.3 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. Osaka-johall.com needs all CSS files to be minified and compressed as it can save up to 14.0 kB or 26% of the original size.

Requests Now

127

After Optimization

The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osaka Johall. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 7 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

High

Browser errors were logged to the console

Search Engine Optimization Advices

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 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 Osaka-johall.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 Osaka-johall.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

osaka-johall.com

Open Graph data is detected on the main page of Osaka Johall. 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

大阪城ホール

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

osaka-johall.com

osaka-johall.com

www.osaka-johall.com

common.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

osaka-johall.com

osaka-johall.com

www.osaka-johall.com

common.css

slick.css

iziModal.min.css

style.css

js

jquery-3.2.1.min.js

imagesloaded.pkgd.min.js

ofi.min.js

jquery.inview.min.js

app_rsp.js

slick.min.js

jquery.matchHeight-min.js

iziModal.min.js

script.js

main.js

common.js

header_logo.png

icon_search.png

icon_qa.png

icon_global.png

ttl-2.gif

ttl-2.png

pc_sub.png

main_sp.png

usagi.png

ttl_today.png

10546.jpg

icon_zoom.png

bnr_ohtani.png

bnr_miyako.png

guide_img_seat.jpg

guide_img_floorguide.jpg

guide_img_access.jpg

guide_icon_seat.png

guide_icon_seat_hover.png

guide_icon_floorguide.png

guide_icon_floorguide_hover.png

guide_icon_access.png

guide_icon_access_hover.png

sarasa1.jpg