Tools & Wizards About Us

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

rubikspuzzles.net

How to solve a Rubik's Cube and other puzzles - Rubik's Puzzles

Page Load Speed

1.6 sec in total

First Response

422 ms

Resources Loaded

991 ms

Page Rendered

204 ms

About Website

Visit rubikspuzzles.net now to see the best up-to-date Rubik S Puzzles content and also check out these interesting facts you probably never knew about rubikspuzzles.net

How to solve Erno Rubik's 3x3x3 cube along with many more puzzles - the Pocket Cube, Skewb, Tower Cube and more

Visit rubikspuzzles.net

Key Findings

We analyzed Rubikspuzzles.net page load time and found that the first response time was 422 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

rubikspuzzles.net performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value1,260 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

rubikspuzzles.net

422 ms

adsbygoogle.js

128 ms

css

33 ms

default.css

87 ms

jquery.min.js

47 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 39% of them (13 requests) were addressed to the original Rubikspuzzles.net, 15% (5 requests) were made to Use.fontawesome.com and 15% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (424 ms) belongs to the original domain Rubikspuzzles.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 171.3 kB (35%)

Content Size

493.3 kB

After Optimization

322.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rubikspuzzles.net main page is 493.3 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. 30% of websites need less resources to load. Javascripts take 340.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 24.4 kB

  • Original 32.1 kB
  • After minification 30.1 kB
  • After compression 7.6 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 24.4 kB or 76% of the original size.

Image Optimization

-21%

Potential reduce by 14.2 kB

  • Original 67.7 kB
  • After minification 53.6 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, Rubik S Puzzles needs image optimization as it can save up to 14.2 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

-28%

Potential reduce by 96.2 kB

  • Original 340.9 kB
  • After minification 340.9 kB
  • After compression 244.7 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 96.2 kB or 28% of the original size.

CSS Optimization

-69%

Potential reduce by 36.4 kB

  • Original 52.6 kB
  • After minification 40.0 kB
  • After compression 16.2 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. Rubikspuzzles.net needs all CSS files to be minified and compressed as it can save up to 36.4 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (48%)

Requests Now

31

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rubik S Puzzles. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 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

rubikspuzzles.net accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

rubikspuzzles.net 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rubikspuzzles.net SEO score

83

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rubikspuzzles.net can be misinterpreted by Google and other search engines. Our service has detected that English 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 Rubikspuzzles.net 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 Rubik S Puzzles. 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: