33.2 sec in total
725 ms
15.8 sec
16.7 sec
Click here to check amazing Codewars content for United States. Otherwise, check out these important facts you probably never knew about codewars.com
A coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!
Visit codewars.comWe analyzed Codewars.com page load time and found that the first response time was 725 ms and then it took 32.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
codewars.com performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value3.3 s
70/100
25%
Value4.4 s
73/100
10%
Value420 ms
66/100
30%
Value0.024
100/100
15%
Value8.1 s
42/100
10%
725 ms
895 ms
228 ms
880 ms
1703 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 57% of them (20 requests) were addressed to the original Codewars.com, 11% (4 requests) were made to Pbs.twimg.com and 9% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (9.9 sec) relates to the external source Pbs.twimg.com.
Page size can be reduced by 375.9 kB (24%)
1.6 MB
1.2 MB
In fact, the total size of Codewars.com main page is 1.6 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. 70% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 28.4 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 28.4 kB or 71% of the original size.
Potential reduce by 61.3 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. Codewars images are well optimized though.
Potential reduce by 110.1 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 110.1 kB or 61% of the original size.
Potential reduce by 176.0 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. Codewars.com needs all CSS files to be minified and compressed as it can save up to 176.0 kB or 82% of the original size.
Number of requests can be reduced by 7 (23%)
31
24
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Codewars. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
www.codewars.com
725 ms
css
895 ms
application-37c84abed23abe0fc344e648bf5c9c90.css
228 ms
modernizr-fb6252ad3a82ba998d580ba913ffd94a.js
880 ms
ably.min.js
1703 ms
application-7ba43ed6e351631c33d958a85cde094b.js
1647 ms
landing-3a28a3e53793d8bb76786110b43e5911.js
1226 ms
raven.min.js
4086 ms
logo-by-q-c107e5baa8ec01bd121df5c91ee5709e.png
2023 ms
d6c531f4aa93e0c04f95d631c9b161b0_bigger.png
9135 ms
jWfngZ-t_bigger.jpeg
9195 ms
ADBEmmEW_400x400.jpg
9935 ms
084577ff6703d0fae39cd9d9c869e607_bigger.jpeg
9936 ms
paper-492698e037e7a997025ba20a8bb82701.jpg
1806 ms
painting-bg-left-81c5c3604902576b437ccb002fff25b7.png
9065 ms
painting-bg-right-362e1dd168edb65eaae85b986ba2f0e3.png
9066 ms
monitor-8c965420c88fa60912b3124fd7c10753.png
1807 ms
copy-skills.png
8982 ms
copy-train.png
9066 ms
copy-rank.png
9209 ms
copy-wisdom.png
9378 ms
copy-create.png
9130 ms
qualified-logo-gray.svg
9185 ms
assess-gray.svg
9043 ms
interact-gray.svg
8931 ms
poweredby_qualified-34d1f986cf9ac647440422ec4e66a959.png
9674 ms
icomoon-4f29b2983c5f001af18ffd915313c60b.woff
7931 ms
analytics.js
3277 ms
tracker.js
4054 ms
collect
145 ms
requestToken
576 ms
collect
4 ms
collect
359 ms
pv
558 ms
connect
14 ms
codewars.com 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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
Links do not have a discernible name
codewars.com 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
Missing source maps for large first-party JavaScript
codewars.com 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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Codewars.com 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 Codewars.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.
codewars.com
Open Graph data is detected on the main page of Codewars. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: