2.2 sec in total
416 ms
1.3 sec
418 ms
Click here to check amazing Sudoku content for Mexico. Otherwise, check out these important facts you probably never knew about sudoku.org.uk
description
Visit sudoku.org.ukWe analyzed Sudoku.org.uk page load time and found that the first response time was 416 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
sudoku.org.uk performance score
name
value
score
weighting
Value2.1 s
82/100
10%
Value6.3 s
10/100
25%
Value4.0 s
81/100
10%
Value270 ms
82/100
30%
Value0
100/100
15%
Value9.8 s
28/100
10%
416 ms
202 ms
195 ms
5 ms
409 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 75% of them (21 requests) were addressed to the original Sudoku.org.uk, 11% (3 requests) were made to Pagead2.googlesyndication.com and 7% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (801 ms) belongs to the original domain Sudoku.org.uk.
Page size can be reduced by 563.6 kB (59%)
947.4 kB
383.8 kB
In fact, the total size of Sudoku.org.uk main page is 947.4 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. 25% of websites need less resources to load. Images take 875.3 kB which makes up the majority of the site volume.
Potential reduce by 16.6 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. This page needs HTML code to be minified as it can gain 3.8 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 16.6 kB or 79% of the original size.
Potential reduce by 527.4 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. Obviously, Sudoku needs image optimization as it can save up to 527.4 kB or 60% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 159 B
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.
Potential reduce by 19.4 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.org.uk needs all CSS files to be minified and compressed as it can save up to 19.4 kB or 86% of the original size.
Number of requests can be reduced by 3 (13%)
23
20
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 4 to 1 for JavaScripts and as a result speed up the page load time.
sudoku.org.uk
416 ms
cm2.css
202 ms
cm2.css
195 ms
show_ads.js
5 ms
Banner800x100.png
409 ms
sudokuorgnew.css
214 ms
zrt_lookup.html
111 ms
show_ads_impl.js
46 ms
menu1.jpg
113 ms
Header.jpg
396 ms
selectedtab.png
298 ms
nonselectedtab.png
306 ms
MetalStrip.jpg
198 ms
SudokuSolver_250x212.png
621 ms
sudokupic3.jpg
408 ms
PenBig.jpg
503 ms
MM.jpg
499 ms
KillerHelper_250x173.png
615 ms
Sudoku_175x175.png
590 ms
adddivider.jpg
511 ms
Jigsaw_174x167.png
694 ms
Killer_174x175.png
801 ms
Kakuro_175x175.png
614 ms
ads
182 ms
Footer2.jpg
593 ms
osd.js
21 ms
ga.js
37 ms
__utm.gif
12 ms
sudoku.org.uk 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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
sudoku.org.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
sudoku.org.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sudoku.org.uk 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 Sudoku.org.uk 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.
sudoku.org.uk
Open Graph description is not detected on the main page of 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: