Tools & Wizards About Us

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

roomshare.jp

ルームシェア ジャパン - ルームメイト募集サイト

Page Load Speed

3.4 sec in total

First Response

343 ms

Resources Loaded

2.8 sec

Page Rendered

202 ms

About Website

Visit roomshare.jp now to see the best up-to-date Roomshare content for India and also check out these interesting facts you probably never knew about roomshare.jp

ルームシェアジャパン - 無料ルームシェア・シェアハウス募集サイト

Visit roomshare.jp

Key Findings

We analyzed Roomshare.jp page load time and found that the first response time was 343 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

roomshare.jp performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value1,740 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.322

36/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

roomshare.jp

343 ms

roomshare.jp

938 ms

font-awesome.min.css

64 ms

bootstrap.min.css

58 ms

rsj.css

333 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 28% of them (15 requests) were addressed to the original Roomshare.jp, 19% (10 requests) were made to S3.ap-northeast-1.amazonaws.com and 9% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source S3.ap-northeast-1.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.4 kB (12%)

Content Size

1.1 MB

After Optimization

934.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Roomshare.jp main page is 1.1 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. 35% of websites need less resources to load. Javascripts take 609.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 42.3 kB

  • Original 52.7 kB
  • After minification 40.3 kB
  • After compression 10.4 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 12.4 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 42.3 kB or 80% of the original size.

Image Optimization

-21%

Potential reduce by 79.4 kB

  • Original 379.8 kB
  • After minification 300.4 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. Obviously, Roomshare needs image optimization as it can save up to 79.4 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1.2 kB

  • Original 609.2 kB
  • After minification 609.2 kB
  • After compression 608.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 4.5 kB

  • Original 19.9 kB
  • After minification 19.9 kB
  • After compression 15.4 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. Roomshare.jp needs all CSS files to be minified and compressed as it can save up to 4.5 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (51%)

Requests Now

49

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roomshare. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

roomshare.jp accessibility score

82

Accessibility Issues

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

roomshare.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

roomshare.jp SEO score

80

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 Roomshare.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 Roomshare.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 data is detected on the main page of Roomshare. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: