Access a-juutaku.com. 一般社団法人あんしん住宅普及促進協会

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.486

17/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

a-juutaku.com

542 ms

www.a-juutaku.com

1207 ms

master.css

198 ms

import.js

390 ms

w_js.php

372 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that all of those requests were addressed to A-juutaku.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain A-juutaku.com.

Content Size

711.4 kB

After Optimization

552.6 kB

In fact, the total size of A-juutaku.com main page is 711.4 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. 30% of websites need less resources to load. Images take 573.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 17.4 kB

Original 22.1 kB
After minification 18.5 kB
After compression 4.7 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 3.6 kB, which is 16% 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 17.4 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 56.6 kB

Original 573.1 kB
After minification 516.5 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. A Juutaku images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 56.6 kB

Original 82.2 kB
After minification 73.7 kB
After compression 25.6 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 56.6 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 28.1 kB

Original 34.0 kB
After minification 24.5 kB
After compression 5.8 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. A-juutaku.com needs all CSS files to be minified and compressed as it can save up to 28.1 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A Juutaku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 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 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.

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

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

JA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise A-juutaku.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 A-juutaku.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

a-juutaku.com

Open Graph description is not detected on the main page of A Juutaku. 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

一般社団法人 あんしん住宅普及促進協会

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

a-juutaku.com

www.a-juutaku.com

master.css

import.js

w_js.php

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

a-juutaku.com

www.a-juutaku.com

master.css

import.js

w_js.php

reset.css

base.css

style.css

hack.css

second.css

w_js.php

jquery.js

scrolltopcontrol.js

smooth.js

rollover2.js

tubtop.js

slide.js

easing.js

body_bg.gif

head_l_bg.gif

logo_text.gif

logo.png

head_data_rollout.gif

head_contact_rollout.gif

icon01.gif

tel.png

wrapp_bg.gif

bg_slide-shadow.gif

bg_main-photo.gif

main.jpg

main01.jpg

main02.jpg

main03.jpg

nav_bg.gif

nav01_rollout.gif

nav02_rollout.gif

nav03_rollout.gif

nav04_rollout.gif

nav05_rollout.gif

nav06_rollout.gif

info_bg.gif

tit_border.gif

news_tit.png

一般社団法人あんしん住宅普及促進協会