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rabbitroom.biz screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

rabbitroom.biz

出版物が世に出るまでの流れ

Page Load Speed

3.1 sec in total

First Response

508 ms

Resources Loaded

2.3 sec

Page Rendered

307 ms

rabbitroom.biz screenshot

About Website

Visit rabbitroom.biz now to see the best up-to-date Rabbitroom content and also check out these interesting facts you probably never knew about rabbitroom.biz

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Visit rabbitroom.biz

Key Findings

We analyzed Rabbitroom.biz page load time and found that the first response time was 508 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

rabbitroom.biz performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.231

54/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

rabbitroom.biz

508 ms

normalize.css

166 ms

jquery.bxslider.css

329 ms

font-awesome.min.css

35 ms

slicknav.css

329 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 86% of them (18 requests) were addressed to the original Rabbitroom.biz, 10% (2 requests) were made to Maxcdn.bootstrapcdn.com and 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Rabbitroom.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.3 kB (2%)

Content Size

2.4 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rabbitroom.biz main page is 2.4 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. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.6 kB

  • Original 11.9 kB
  • After minification 9.9 kB
  • After compression 3.4 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 2.0 kB, which is 17% 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 8.6 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 799 B

  • Original 2.3 MB
  • After minification 2.3 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. Rabbitroom images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 24.1 kB

  • Original 63.2 kB
  • After minification 62.7 kB
  • After compression 39.1 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 24.1 kB or 38% of the original size.

CSS Optimization

-80%

Potential reduce by 23.8 kB

  • Original 29.7 kB
  • After minification 17.7 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. Rabbitroom.biz needs all CSS files to be minified and compressed as it can save up to 23.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (42%)

Requests Now

19

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rabbitroom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rabbitroom.biz

rabbitroom.biz

508 ms

normalize.css

normalize.css

166 ms

jquery.bxslider.css

jquery.bxslider.css

329 ms

font-awesome.min.css

font-awesome.min.css

35 ms

slicknav.css

slicknav.css

329 ms

pc.css

pc.css

329 ms

smp.css

smp.css

329 ms

jquery.min.js

jquery.min.js

23 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

512 ms

jquery.slicknav.min.js

jquery.slicknav.min.js

340 ms

common.js

common.js

499 ms

top_s-01_1.jpg

top_s-01_1.jpg

987 ms

top_s-01_2.jpg

top_s-01_2.jpg

859 ms

top_s-01_3.jpg

top_s-01_3.jpg

981 ms

office_room_111.jpg

office_room_111.jpg

995 ms

office_room_28.jpg

office_room_28.jpg

991 ms

office_room_89.jpg

office_room_89.jpg

681 ms

kendama1.jpg

kendama1.jpg

1022 ms

bx_loader.gif

bx_loader.gif

1030 ms

controls.png

controls.png

1144 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

11 ms

Accessibility Review

rabbitroom.biz accessibility score

95

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.

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

Links do not have a discernible name

Best Practices

rabbitroom.biz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rabbitroom.biz SEO score

93

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

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 Rabbitroom.biz 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 Rabbitroom.biz 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

rabbitroom.biz

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