Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 42

    SEO

    Google-friendlier than
    18% of websites

roobins.jp

極楽天満宮 Rave party report

Page Load Speed

2.7 sec in total

First Response

804 ms

Resources Loaded

1.2 sec

Page Rendered

699 ms

roobins.jp screenshot

About Website

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

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Key Findings

We analyzed Roobins.jp page load time and found that the first response time was 804 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

roobins.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

roobins.jp

804 ms

ban.gif

451 ms

kanban.gif

650 ms

img011.gif

511 ms

01.jpg

343 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Roobins.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (804 ms) belongs to the original domain Roobins.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.6 kB (46%)

Content Size

66.4 kB

After Optimization

35.8 kB

In fact, the total size of Roobins.jp main page is 66.4 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. Only 5% of websites need less resources to load. HTML takes 34.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 28.6 kB

  • Original 34.1 kB
  • After minification 29.3 kB
  • After compression 5.5 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 4.9 kB, which is 14% 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 28.6 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 1.9 kB

  • Original 32.2 kB
  • After minification 30.3 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. Roobins images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roobins. According to our analytics all requests are already optimized.

Accessibility Review

roobins.jp accessibility score

79

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

Document doesn't have a <title> element

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

Best Practices

roobins.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

roobins.jp SEO score

42

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Document doesn't have a <title> element

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Roobins.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 Roobins.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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