Tools & Wizards About Us
sudoku-it.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

sudoku-it.com

Sudoku - Allena il tuo cervello giocando a sudoku online

Page Load Speed

1.5 sec in total

First Response

289 ms

Resources Loaded

1.1 sec

Page Rendered

121 ms

sudoku-it.com screenshot

About Website

Click here to check amazing Sudoku It content for Italy. Otherwise, check out these important facts you probably never knew about sudoku-it.com

Gioca ai puzzle di sudoku online gratuitamente. Diversi livelli di puzzle di sudoku, sudoku facile, sudoku medio, sudoku difficile. Stampa sudoku gratuitamente.

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Key Findings

We analyzed Sudoku-it.com page load time and found that the first response time was 289 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 20% of websites can load faster.

Performance Metrics

sudoku-it.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value3,440 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

sudoku-it.com

289 ms

c.css

167 ms

adsbygoogle.js

4 ms

i.js

181 ms

HitsParams.js

287 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 39% of them (14 requests) were addressed to the original Sudoku-it.com, 14% (5 requests) were made to Pagead2.googlesyndication.com and 14% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (515 ms) belongs to the original domain Sudoku-it.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.3 kB (28%)

Content Size

175.0 kB

After Optimization

125.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sudoku-it.com main page is 175.0 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. 40% of websites need less resources to load. Javascripts take 114.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 15.2 kB

  • Original 18.4 kB
  • After minification 18.2 kB
  • After compression 3.2 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 15.2 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 1.9 kB

  • Original 31.3 kB
  • After minification 29.4 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. Sudoku It images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 22.5 kB

  • Original 114.0 kB
  • After minification 113.1 kB
  • After compression 91.5 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 22.5 kB or 20% of the original size.

CSS Optimization

-85%

Potential reduce by 9.7 kB

  • Original 11.3 kB
  • After minification 10.1 kB
  • After compression 1.7 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. Sudoku-it.com needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (27%)

Requests Now

33

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sudoku It. 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 as a result speed up the page load time.

Network Requests Diagram

sudoku-it.com

sudoku-it.com

289 ms

c.css

c.css

167 ms

adsbygoogle.js

adsbygoogle.js

4 ms

i.js

i.js

181 ms

HitsParams.js

HitsParams.js

287 ms

ca-pub-3899981072920923.js

ca-pub-3899981072920923.js

42 ms

zrt_lookup.html

zrt_lookup.html

112 ms

show_ads_impl.js

show_ads_impl.js

71 ms

sudoku-it.com

sudoku-it.com

175 ms

ga.js

ga.js

25 ms

cur0.cur

cur0.cur

174 ms

cur1.cur

cur1.cur

249 ms

cur2.cur

cur2.cur

254 ms

cur3.cur

cur3.cur

340 ms

cur4.cur

cur4.cur

341 ms

cur5.cur

cur5.cur

452 ms

cur6.cur

cur6.cur

453 ms

cur7.cur

cur7.cur

453 ms

cur8.cur

cur8.cur

507 ms

cur9.cur

cur9.cur

515 ms

__utm.gif

__utm.gif

45 ms

ads

ads

174 ms

osd.js

osd.js

15 ms

ads

ads

224 ms

ads

ads

241 ms

m_js_controller.js

m_js_controller.js

18 ms

abg.js

abg.js

28 ms

favicon

favicon

89 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

87 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

47 ms

s

s

36 ms

x_button_blue2.png

x_button_blue2.png

38 ms

favicon

favicon

93 ms

www.ucount.info

www.ucount.info

234 ms

13260278835404714687

13260278835404714687

49 ms

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

2 ms

Accessibility Review

sudoku-it.com accessibility score

79

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

sudoku-it.com 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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sudoku-it.com SEO score

64

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

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sudoku-it.com can be misinterpreted by Google and other search engines. Our service has detected that Italian 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 Sudoku-it.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

sudoku-it.com

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