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it.top-sudoku.com screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

it.top-sudoku.com

Sudoku puzzle gratuiti online. Gioca, stampa, scarica come PDF. Lang-it.

Page Load Speed

1.6 sec in total

First Response

487 ms

Resources Loaded

1.1 sec

Page Rendered

0 ms

it.top-sudoku.com screenshot

About Website

Visit it.top-sudoku.com now to see the best up-to-date It Top Sudoku content for France and also check out these interesting facts you probably never knew about it.top-sudoku.com

Sudoku puzzle gratuiti online. Gioca, stampa, scarica come PDF. Griglie: 9x9, 16x16, Irregolare, Samurai, Hexadoku.

Visit it.top-sudoku.com

Key Findings

We analyzed It.top-sudoku.com page load time and found that the first response time was 487 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

it.top-sudoku.com performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value820 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

it.top-sudoku.com

487 ms

434 ms

js

75 ms

adsbygoogle.js

178 ms

sudo-cube.jpg

174 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 20% of them (1 request) were addressed to the original It.top-sudoku.com, 40% (2 requests) were made to Sudoku-puzzles-online.com and 20% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (487 ms) belongs to the original domain It.top-sudoku.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.6 kB (11%)

Content Size

86.4 kB

After Optimization

76.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of It.top-sudoku.com main page is 86.4 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. 20% of websites need less resources to load. Javascripts take 62.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 9.6 kB

  • Original 13.1 kB
  • After minification 13.1 kB
  • After compression 3.5 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. 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 9.6 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 11.1 kB
  • After minification 11.1 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. It Top Sudoku images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 24 B

  • Original 62.2 kB
  • After minification 62.2 kB
  • After compression 62.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • JavaScript

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of It Top Sudoku. According to our analytics all requests are already optimized.

Network Requests Diagram

it.top-sudoku.com

it.top-sudoku.com

487 ms

434 ms

js

js

75 ms

adsbygoogle.js

adsbygoogle.js

178 ms

sudo-cube.jpg

sudo-cube.jpg

174 ms

Accessibility Review

it.top-sudoku.com accessibility score

81

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

Best Practices

it.top-sudoku.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

it.top-sudoku.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    IT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise It.top-sudoku.com can be misinterpreted by Google and other search engines. Our service has detected that Italian is used on the page, and it matches the claimed language. Our system also found out that It.top-sudoku.com 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

it.top-sudoku.com

Open Graph description is not detected on the main page of It Top Sudoku. 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: