1.5 sec in total
38 ms
1.3 sec
199 ms
Welcome to sudokuisland.com homepage info - get ready to check Sudoku Island best content right away, or after learning these important things about sudokuisland.com
Play unlimited unique sudoku puzzles with difficulty from easy to extreme. Includes error check and pencil mark tools. Print pages for your island adventure!
Visit sudokuisland.comWe analyzed Sudokuisland.com page load time and found that the first response time was 38 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
sudokuisland.com performance score
name
value
score
weighting
Value2.7 s
58/100
10%
Value6.3 s
10/100
25%
Value5.1 s
62/100
10%
Value1,130 ms
22/100
30%
Value0
100/100
15%
Value11.1 s
20/100
10%
38 ms
166 ms
191 ms
206 ms
13 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 29% of them (10 requests) were addressed to the original Sudokuisland.com, 17% (6 requests) were made to Pagead2.googlesyndication.com and 11% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (553 ms) relates to the external source Static.xx.fbcdn.net.
Page size can be reduced by 301.9 kB (50%)
601.9 kB
300.0 kB
In fact, the total size of Sudokuisland.com main page is 601.9 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. 50% of websites need less resources to load. Images take 296.9 kB which makes up the majority of the site volume.
Potential reduce by 46.2 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. This page needs HTML code to be minified as it can gain 21.4 kB, which is 40% 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 46.2 kB or 86% of the original size.
Potential reduce by 70.2 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 Island needs image optimization as it can save up to 70.2 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 75.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 75.1 kB or 61% of the original size.
Potential reduce by 110.5 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. Sudokuisland.com needs all CSS files to be minified and compressed as it can save up to 110.5 kB or 86% of the original size.
Number of requests can be reduced by 15 (45%)
33
18
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sudoku Island. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
sudokuisland.com
38 ms
www.sudokuisland.com
166 ms
bootstrap-edit.css
191 ms
sudoku.css
206 ms
jquery-latest.js
13 ms
show_ads.js
8 ms
sudoku.js
113 ms
bootstrap.js
142 ms
ga.js
81 ms
widgets.js
54 ms
RockBG.jpg
215 ms
island.png
155 ms
WoodBG_up.jpg
208 ms
glyphicons-halflings-white.png
154 ms
ca-pub-9421942958300325.js
133 ms
zrt_lookup.html
129 ms
show_ads_impl.js
67 ms
all.js
316 ms
__utm.gif
77 ms
button.0308b81ff1714e446f674b5b9793f2cd.js
78 ms
like.php
196 ms
ads
205 ms
expansion_embed.js
29 ms
osd.js
29 ms
tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html
36 ms
Dt46LmMjzaB.js
490 ms
LVx-xkvaJ0b.png
553 ms
15608302251301670176
72 ms
abg.js
62 ms
m_js_controller.js
69 ms
googlelogo_color_112x36dp.png
58 ms
jot
118 ms
x_button_blue2.svg
22 ms
s
19 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
2 ms
sudokuisland.com 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
ARIA IDs are not unique
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
sudokuisland.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
sudokuisland.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Image elements do not have [alt] attributes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sudokuisland.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sudokuisland.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.
sudokuisland.com
Open Graph data is detected on the main page of Sudoku Island. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: