11.6 sec in total
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8.9 sec
117 ms
Click here to check amazing Free Sudoku content. Otherwise, check out these important facts you probably never knew about free-sudoku.online
Free web sudoku,sudoku puzzles,sudoku printable
Visit free-sudoku.onlineWe analyzed Free-sudoku.online page load time and found that the first response time was 2.6 sec and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
free-sudoku.online performance score
name
value
score
weighting
Value10.1 s
0/100
10%
Value11.3 s
0/100
25%
Value18.2 s
0/100
10%
Value1,730 ms
10/100
30%
Value0.298
40/100
15%
Value18.5 s
3/100
10%
2615 ms
87 ms
120 ms
32 ms
38 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 37% of them (36 requests) were addressed to the original Free-sudoku.online, 9% (9 requests) were made to Googleads.g.doubleclick.net and 9% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Free-sudoku.online.
Page size can be reduced by 907.7 kB (69%)
1.3 MB
403.3 kB
In fact, the total size of Free-sudoku.online main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. CSS take 658.5 kB which makes up the majority of the site volume.
Potential reduce by 68.2 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 68.2 kB or 84% of the original size.
Potential reduce by 990 B
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. Free Sudoku images are well optimized though.
Potential reduce by 295.7 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 295.7 kB or 69% of the original size.
Potential reduce by 542.7 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. Free-sudoku.online needs all CSS files to be minified and compressed as it can save up to 542.7 kB or 82% of the original size.
Number of requests can be reduced by 66 (77%)
86
20
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Free Sudoku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.
free-sudoku.online
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free-sudoku.online accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
free-sudoku.online best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
free-sudoku.online SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
EN
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Free-sudoku.online can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Free-sudoku.online 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.
free-sudoku.online
Open Graph data is detected on the main page of Free Sudoku. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: