Access nagoya-dome.co.jp. バンテリンドームナゴヤ公式サイト

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.102

89/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

nagoya-dome.co.jp

516 ms

www.nagoya-dome.co.jp

1004 ms

js

56 ms

sc_import.css

514 ms

index.css

518 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 93% of them (79 requests) were addressed to the original Nagoya-dome.co.jp, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Nagoya-dome.co.jp.

Content Size

1.5 MB

After Optimization

1.4 MB

In fact, the total size of Nagoya-dome.co.jp main page is 1.5 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 28.5 kB

Original 33.9 kB
After minification 25.3 kB
After compression 5.4 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 8.6 kB, which is 25% 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 28.5 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 121.0 kB

Original 1.4 MB
After minification 1.3 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. Nagoya Dome images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.1 kB

Original 63.2 kB
After minification 63.2 kB
After compression 61.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 1.8 kB

Original 7.9 kB
After minification 7.9 kB
After compression 6.1 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. Nagoya-dome.co.jp needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 23% of the original size.

Requests Now

After Optimization

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nagoya Dome. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 11 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

[role]s do not have all required [aria-*] attributes

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

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

Low

Detected JavaScript libraries

High

Page has valid source maps

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nagoya-dome.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nagoya-dome.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

nagoya-dome.co.jp

Open Graph description is not detected on the main page of Nagoya Dome. 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

バンテリンドーム ナゴヤ公式サイト

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

nagoya-dome.co.jp

www.nagoya-dome.co.jp

js

sc_import.css

index.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

nagoya-dome.co.jp

www.nagoya-dome.co.jp

js

sc_import.css

index.css

jquery.min.js

jMenu.jquery.js

jmenu.css

jquery.bxslider.min.js

jquery.bxslider.css

libs.js

jquery.Pc2Sp.js

js

analytics.js

collect

collect

sc_tag.css

sc_layout.css

sc_header.css

sc_navigation.css

sc_contents.css

sc_footer.css

bunner_bottom.php

background.jpg

background_header.jpg

logo_vdn.jpg

navi_access.jpg

navi_faq.jpg

navi_otoiawase.jpg

navi_sitemap.jpg

back_moji.jpg

moji_small.jpg

moji_medium.jpg

moji_large.jpg

back_navi.jpg

navi_probaseball.jpg

navi_domeenjoy.jpg

navi_domeuse.jpg

navi_aboutdome.jpg

background_layoutBody.jpg

contents_top.png

contents_mid.png

background_main.png

バンテリンドームナゴヤ公式サイト