Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

rc-housing.jp

初心者のためのペイントBLOG – 外壁塗装のプロがわかりやすくお届け

Page Load Speed

6.7 sec in total

First Response

1.2 sec

Resources Loaded

5.1 sec

Page Rendered

418 ms

rc-housing.jp screenshot

About Website

Visit rc-housing.jp now to see the best up-to-date Rc Housing content for Japan and also check out these interesting facts you probably never knew about rc-housing.jp

高性能鉄筋コンクリート住宅のRCハウジング。愛知県(名古屋・豊橋・豊川・蒲郡・岡崎)・沖縄・札幌でのRC分譲住宅、RC注文住宅はお任せ下さい。

Visit rc-housing.jp

Key Findings

We analyzed Rc-housing.jp page load time and found that the first response time was 1.2 sec and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

rc-housing.jp performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

rc-housing.jp

1183 ms

reset.css

333 ms

common.css

518 ms

top.css

706 ms

jquery-1.10.2.js

11 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 89% of them (143 requests) were addressed to the original Rc-housing.jp, 2% (3 requests) were made to Platform.twitter.com and 2% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Rc-housing.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 397.7 kB (11%)

Content Size

3.7 MB

After Optimization

3.3 MB

In fact, the total size of Rc-housing.jp main page is 3.7 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. 70% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 67.7 kB

  • Original 83.9 kB
  • After minification 82.3 kB
  • After compression 16.2 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 67.7 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 248.6 kB

  • Original 3.5 MB
  • After minification 3.3 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. Rc Housing images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 56.6 kB

  • Original 82.4 kB
  • After minification 52.9 kB
  • After compression 25.9 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

-81%

Potential reduce by 24.8 kB

  • Original 30.8 kB
  • After minification 24.3 kB
  • After compression 5.9 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. Rc-housing.jp needs all CSS files to be minified and compressed as it can save up to 24.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (18%)

Requests Now

158

After Optimization

129

The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rc Housing. 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 as a result speed up the page load time.

Accessibility Review

rc-housing.jp accessibility score

91

Accessibility Issues

Names and labels

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.

Impact

Issue

High

Buttons do not have an accessible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

rc-housing.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rc-housing.jp SEO score

93

Search Engine Optimization Advices

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Rc-housing.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 Rc-housing.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

Open Graph description is not detected on the main page of Rc Housing. 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: