Access rev-a.jp. rev-a group 株式会社

Report Summary

About Website

Welcome to rev-a.jp homepage info - get ready to check Rev A best content right away, or after learning these important things about rev-a.jp

rev-a groupはデザイン・機能性に優れた賃貸住宅を安価な家賃で提供することをモットーに、日本全国にマンションや戸建てなどの物件を自社所有しております。

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name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

rev-a.jp

530 ms

import.css

171 ms

contents.css

333 ms

jquery.js

515 ms

common.js

340 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that all of those requests were addressed to Rev-a.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Rev-a.jp.

Content Size

57.1 kB

After Optimization

49.0 kB

In fact, the total size of Rev-a.jp main page is 57.1 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. 20% of websites need less resources to load. Javascripts take 45.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 3.4 kB

Original 4.8 kB
After minification 3.7 kB
After compression 1.5 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 1.2 kB, which is 24% 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 3.4 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 7 B

Original 148 B
After minification 141 B

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. Rev A images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 3.2 kB

Original 45.8 kB
After minification 45.8 kB
After compression 42.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 1.5 kB

Original 6.3 kB
After minification 6.1 kB
After compression 4.8 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. Rev-a.jp needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 23% of the original size.

Requests Now

After Optimization

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rev A. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

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

Search Engine Optimization Advices

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 Rev-a.jp 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 Rev-a.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

rev-a.jp

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

rev-a group 株式会社

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)