Access zerohome.jp. 新築一戸建て・注文住宅・建売住宅をご検討なら|低価格で高品質のゼロホームへ

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value22.3 s

0/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.743

6/100

15%

TTI (Time to Interactive)

Value33.0 s

0/100

10%

www.zerohome.jp

839 ms

reset.css

339 ms

common.css

346 ms

jquery-1.11.1.min.js

738 ms

setting.js

361 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 81% of them (54 requests) were addressed to the original Zerohome.jp, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Zerohome.jp.

Content Size

1.2 MB

After Optimization

877.4 kB

In fact, the total size of Zerohome.jp main page is 1.2 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. 25% of websites need less resources to load. Images take 759.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 30.6 kB

Original 39.5 kB
After minification 34.4 kB
After compression 8.9 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 5.1 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 30.6 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 6.6 kB

Original 759.3 kB
After minification 752.7 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. Zerohome images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 150.1 kB

Original 252.1 kB
After minification 241.3 kB
After compression 102.0 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 150.1 kB or 60% of the original size.

CSS Optimization

-89%

Potential reduce by 115.0 kB

Original 128.8 kB
After minification 98.4 kB
After compression 13.9 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. Zerohome.jp needs all CSS files to be minified and compressed as it can save up to 115.0 kB or 89% of the original size.

Requests Now

After Optimization

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zerohome. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 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 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

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>).

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

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 Zerohome.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 Zerohome.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

zerohome.jp

Open Graph data is detected on the main page of Zerohome. 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

新築一戸建て・注文住宅・建売住宅をご検討なら|低価格で高品質のゼロホームへ

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

www.zerohome.jp

reset.css

common.css

jquery-1.11.1.min.js

setting.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

www.zerohome.jp

reset.css

common.css

jquery-1.11.1.min.js

setting.js

top.css

scriptstyle.css

jquery.easing.js

script.js

fotorama.css

fotorama.js

animate.css

wow.min.js

new_top.css

conversion.js

s_retargeting.js

jquery.scrollTo.min.js

jquery.nav.js

analytics.js

logo.gif

bg_search_top.gif

bg_search_bottom.gif

btn_search.gif

htel.gif

btn_menu.gif

nav_btn02.jpg

nav_btn01.jpg

nav_btn03.jpg

nav_btn04.jpg

56e6158bcc392.img

54ead1577bad7.img

56e7b4fcbb848.img

56e7b5402168f.img

561f6057e8bde.img

56e6158bcc444.img

54ead1577bb83.img

56e7b4fcbb8fe.img

56e7b54021744.img

561f6057e8c8d.img

btn_facebook.png

btn_twitter.png

flogo.png

ftel.gif