Access pbn.jp. 全国賃貸管理ビジネス協会

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value270 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.935

3/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

pbn.jp

399 ms

www.pbn.jp

986 ms

default.css

190 ms

common.css

380 ms

index.css

544 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 74% of them (73 requests) were addressed to the original Pbn.jp, 12% (12 requests) were made to Static.xx.fbcdn.net and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Pbn.jp.

Content Size

4.7 MB

After Optimization

4.6 MB

In fact, the total size of Pbn.jp main page is 4.7 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. 65% of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 54.3 kB

Original 67.5 kB
After minification 61.0 kB
After compression 13.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 54.3 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 31.2 kB

Original 4.5 MB
After minification 4.5 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. Pbn images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 16.3 kB

Original 87.7 kB
After minification 87.7 kB
After compression 71.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 16.3 kB or 19% of the original size.

CSS Optimization

-18%

Potential reduce by 3.8 kB

Original 21.0 kB
After minification 21.0 kB
After compression 17.2 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. Pbn.jp needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 18% of the original size.

Requests Now

After Optimization

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pbn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 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

[aria-hidden="true"] elements contain focusable descendents

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 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

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

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

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 Pbn.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 Pbn.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

pbn.jp

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

全国賃貸管理ビジネス協会

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

pbn.jp

www.pbn.jp

default.css

common.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

pbn.jp

www.pbn.jp

default.css

common.css

index.css

style.css

css2

css2

font.css

colorbox.css

jquery.min.js

jquery.easing.1.3.js

respond.js

common.js

heightLine.js

jquery.bxslider.css

jquery.bxslider.js

jquery.matchHeight.js

scrollreveal.min.js

pagenavi-css.css

sdk.js

jquery.colorbox.js

pagetop_btn.png

new_h_logo.png

new_h_sp_menu.png

new_h_sp_close.png

new_h_sp_login.png

new_h_ig.png

new_h_tw.png

new_h_fb.png

new_h_sp_mail.png

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