Tools & Wizards About Us
robi.club screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

robi.club

ロボット『ロビ』公式サポート＆コミュニティ｜ロビクラブ

Page Load Speed

133 ms in total

First Response

10 ms

Resources Loaded

57 ms

Page Rendered

66 ms

robi.club screenshot

About Website

Click here to check amazing Robi content for Japan. Otherwise, check out these important facts you probably never knew about robi.club

「robi.club」ロビクラブは高橋智隆氏がデザインしたロボット「ロビ」の公式オーナーズクラブです。ロビのコミュニティ、公式サポートや修理、パーツ・グッズ販売などロボット「ロビ」に関する情報が満載。

Visit robi.club

Key Findings

We analyzed Robi.club page load time and found that the first response time was 10 ms and then it took 123 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

robi.club performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

robi.club

10 ms

robi.club

29 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Robi.club and no external sources were called. The less responsive or slowest element that took the longest time to load (29 ms) belongs to the original domain Robi.club.

Page Optimization Overview & Recommendations

Page size can be reduced by 716.8 kB (41%)

Content Size

1.7 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Robi.club main page is 1.7 MB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-33%

Potential reduce by 42.3 kB

  • Original 128.3 kB
  • After minification 127.8 kB
  • After compression 86.0 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 42.3 kB or 33% of the original size.

Image Optimization

-38%

Potential reduce by 542.6 kB

  • Original 1.4 MB
  • After minification 867.8 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, Robi needs image optimization as it can save up to 542.6 kB or 38% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 110.3 kB

  • Original 174.0 kB
  • After minification 145.0 kB
  • After compression 63.7 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 110.3 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 21.6 kB

  • Original 26.7 kB
  • After minification 19.7 kB
  • After compression 5.1 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. Robi.club needs all CSS files to be minified and compressed as it can save up to 21.6 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

robi.club

robi.club

10 ms

robi.club

robi.club

29 ms

Accessibility Review

robi.club accessibility score

72

Accessibility Issues

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

robi.club best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

robi.club SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robi.club 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 Robi.club 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

robi.club

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