Access dance-schoolgv.net. ダンススクール・ダンス教室の口コミやレッスン情報探すなら口コミ検索ネット

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value7,760 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value23.9 s

1/100

10%

dance-schoolgv.net

314 ms

www.dance-schoolgv.net

1189 ms

ga.js

18 ms

reset.css

440 ms

genericons.css

592 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 56% of them (47 requests) were addressed to the original Dance-schoolgv.net, 12% (10 requests) were made to S3-ap-northeast-1.amazonaws.com and 10% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source S3-ap-northeast-1.amazonaws.com.

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Dance-schoolgv.net main page is 1.6 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. 60% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 59.6 kB

Original 72.9 kB
After minification 63.4 kB
After compression 13.3 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 9.4 kB, which is 13% 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 59.6 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 83.1 kB

Original 1.2 MB
After minification 1.2 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. Dance Schoolgv images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 142.6 kB

Original 225.4 kB
After minification 211.8 kB
After compression 82.8 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 142.6 kB or 63% of the original size.

CSS Optimization

-72%

Potential reduce by 82.3 kB

Original 113.8 kB
After minification 99.5 kB
After compression 31.5 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. Dance-schoolgv.net needs all CSS files to be minified and compressed as it can save up to 82.3 kB or 72% of the original size.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dance Schoolgv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 10 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-*] attributes do not match their roles

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

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 interpretation of your content by users in different locales.

High

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

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

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

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 Dance-schoolgv.net 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 Dance-schoolgv.net 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

dance-schoolgv.net

Open Graph description is not detected on the main page of Dance Schoolgv. 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

ダンススクール・ダンス教室の口コミやレッスン情報探すなら口コミ検索ネット

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

dance-schoolgv.net

www.dance-schoolgv.net

ga.js

reset.css

genericons.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

dance-schoolgv.net

www.dance-schoolgv.net

ga.js

reset.css

genericons.css

flexslider.css

image_navigation.css

ie.css

jquery.powertip.min.css

jquery-ui-1.10.3.custom.min.css

responsive-gs-24col.css

jquery-1.9.1.min.js

yuga.js

jquery.flexslider-min.js

jquery.tile.js

jquery.imageNavigation.js

jquery.powertip.min.js

jquery-ui-1.10.3.custom.min.js

jquery.ui.datepicker-ja.js

easySlider1.7.js

Sgvlib.js

__utm.gif

androidBugFix.png

400x300.jpg

400x300.png

400x300.jpg

400x300.jpg

400x300.jpg

400x300.jpg

400x300.jpg

400x300.jpg

3.jpg

1.jpg

logo.png

eyecatch.jpg

nav_top.png

nav_schoolList.png

nav_voice.png

nav_event.png

nav_forSchool.png

splite.png

bg_fitImage.jpg

bg_pointed.png