5.5 sec in total
714 ms
4.7 sec
114 ms
Click here to check amazing Decode School content for India. Otherwise, check out these important facts you probably never knew about decodeschool.com
Learn Programming and Problem Solving with decode school Programming Examples, Tutorials and Courses.
Visit decodeschool.comWe analyzed Decodeschool.com page load time and found that the first response time was 714 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
decodeschool.com performance score
name
value
score
weighting
Value6.8 s
2/100
10%
Value8.2 s
2/100
25%
Value9.4 s
12/100
10%
Value0 ms
100/100
30%
Value0.095
91/100
15%
Value7.0 s
53/100
10%
714 ms
1394 ms
88 ms
107 ms
30 ms
Our browser made a total of 26 requests to load all elements on the main page. We found that 58% of them (15 requests) were addressed to the original Decodeschool.com, 19% (5 requests) were made to Fonts.gstatic.com and 8% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Decodeschool.com.
Page size can be reduced by 343.3 kB (71%)
481.6 kB
138.3 kB
In fact, the total size of Decodeschool.com main page is 481.6 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. 30% of websites need less resources to load. CSS take 222.8 kB which makes up the majority of the site volume.
Potential reduce by 27.7 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 12.4 kB, which is 38% 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 27.7 kB or 85% of the original size.
Potential reduce by 2.9 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, Decode School needs image optimization as it can save up to 2.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 122.0 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 122.0 kB or 59% of the original size.
Potential reduce by 190.8 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. Decodeschool.com needs all CSS files to be minified and compressed as it can save up to 190.8 kB or 86% of the original size.
Number of requests can be reduced by 14 (78%)
18
4
The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Decode School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
decodeschool.com
714 ms
decodeschool.com
1394 ms
js
88 ms
js
107 ms
sharethis.js
30 ms
css
44 ms
bootstrap.min.css
1333 ms
font-awesome.min.css
1311 ms
mobile-menu.css
990 ms
owl.carousel.css
991 ms
owl.theme.default.min.css
992 ms
style.css
1331 ms
jquery.min.js
32 ms
jquery-2.1.4.min.js
1955 ms
bootstrap.min.js
1653 ms
mobile-menu.js
1327 ms
owl.carousel.min.js
1930 ms
script.js
1655 ms
logo_ac773e45b008d6616aadbc1a30507760_2x.png
1200 ms
logo.png
337 ms
KFOlCnqEu92Fr1MmEU9fBBc-.woff
19 ms
KFOmCnqEu92Fr1Mu4mxM.woff
26 ms
KFOlCnqEu92Fr1MmSU5fBBc-.woff
33 ms
KFOkCnqEu92Fr1MmgVxIIzQ.woff
37 ms
KFOlCnqEu92Fr1MmWUlfBBc-.woff
37 ms
fontawesome-webfont.woff
659 ms
decodeschool.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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
decodeschool.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
decodeschool.com 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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Decodeschool.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 Decodeschool.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.
decodeschool.com
Open Graph data is detected on the main page of Decode School. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: