15.9 sec in total
819 ms
11.6 sec
3.4 sec
Click here to check amazing CS Unplugged content for Iran. Otherwise, check out these important facts you probably never knew about csunplugged.org
CS Unplugged is a collection of free learning activities that teach Computer Science through engaging games and puzzles that use cards, string, crayons and lots of running around. The activities intro...
Visit csunplugged.orgWe analyzed Csunplugged.org page load time and found that the first response time was 819 ms and then it took 15 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
csunplugged.org performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value15.9 s
0/100
25%
Value12.6 s
3/100
10%
Value390 ms
69/100
30%
Value0.018
100/100
15%
Value14.6 s
8/100
10%
819 ms
553 ms
1221 ms
1107 ms
1108 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 69% of them (45 requests) were addressed to the original Csunplugged.org, 6% (4 requests) were made to Platform.twitter.com and 5% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (6.9 sec) belongs to the original domain Csunplugged.org.
Page size can be reduced by 1.1 MB (25%)
4.5 MB
3.4 MB
In fact, the total size of Csunplugged.org main page is 4.5 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. Images take 3.0 MB which makes up the majority of the site volume.
Potential reduce by 129.6 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. 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 129.6 kB or 71% of the original size.
Potential reduce by 113.4 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. CS Unplugged images are well optimized though.
Potential reduce by 634.2 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 634.2 kB or 66% of the original size.
Potential reduce by 271.6 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. Csunplugged.org needs all CSS files to be minified and compressed as it can save up to 271.6 kB or 73% of the original size.
Number of requests can be reduced by 36 (58%)
62
26
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CS Unplugged. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
csunplugged.org
819 ms
style.css
553 ms
light_style.css
1221 ms
screen.min.css
1107 ms
font-awesome.min.css
1108 ms
public.css
1105 ms
photoswipe.css
1105 ms
addtoany.min.css
945 ms
jquery.js
1105 ms
jquery-migrate.min.js
1496 ms
addtoany.min.js
1451 ms
public.js
1734 ms
core.min.js
1450 ms
widget.min.js
1450 ms
effect.min.js
1447 ms
quicktags.min.js
1729 ms
smooth-menu.js
1718 ms
javascript.js
1717 ms
page.js
902 ms
functional.css
1702 ms
style-light.css
1670 ms
collapse.js
2710 ms
front.min.js
2709 ms
klass.min.js
2708 ms
code.photoswipe-3.0.5.min.js
2727 ms
psw.call.js
2709 ms
comment-reply.min.js
2709 ms
wp-embed.min.js
2709 ms
all.frontend.min.js
2709 ms
wp-emoji-release.min.js
1912 ms
webfont.js
1201 ms
analytics.js
1148 ms
logo-330h-880w.png
2109 ms
uc_logo.png
2821 ms
google-trimmed.png
2724 ms
menuline.png
1327 ms
DSC_4940.jpg
6882 ms
IMG_3852.jpg
1938 ms
IMG_0398.jpg
1356 ms
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IMG_6456_compressed.jpg
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2723 ms
IMG_3861.jpg
2742 ms
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2743 ms
under-construction.png
3461 ms
searchicon.png
3459 ms
sm.16.html
813 ms
widgets.js
637 ms
icons.23.svg.js
637 ms
css
598 ms
collect
246 ms
ga.js
183 ms
button.3ccb64e61d4c01fae12cd2b0ed9b2bab.js
343 ms
timeline.bc7ee675e57cb01f4d1e255156414e73.js
353 ms
loading-icon-128x128.gif
723 ms
light-arrows.png
723 ms
menu-icons-0090d3.png
1175 ms
icons.png
1174 ms
YDAoLskQQ5MOAgvHUQCcLRTHiN2BPBirwIkMLKUspj4.woff
69 ms
We_iSDqttE3etzfdfhuPRYa6iXjgqaxY3DU3RqApPOI.woff
73 ms
syndication
581 ms
539565170465337344
959 ms
follow_button.f8c8d971a6ac545cf416e3c1ad4bbc65.en.html
334 ms
csunplugged.org accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
csunplugged.org 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
Page has valid source maps
csunplugged.org SEO score
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
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csunplugged.org 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 Csunplugged.org 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.
csunplugged.org
Open Graph data is detected on the main page of CS Unplugged. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: