1.9 sec in total
184 ms
988 ms
760 ms
Visit rsquaredacademy.com now to see the best up-to-date Rsquared Academy content and also check out these interesting facts you probably never knew about rsquaredacademy.com
Accelerate your career in data science by mastering data wrangling, visualization, modeling and communication using R. Learn online with Rsquared Academy.
Visit rsquaredacademy.comWe analyzed Rsquaredacademy.com page load time and found that the first response time was 184 ms and then it took 1.7 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.
rsquaredacademy.com performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value3.1 s
75/100
25%
Value5.4 s
57/100
10%
Value1,100 ms
23/100
30%
Value2.285
0/100
15%
Value6.7 s
56/100
10%
184 ms
13 ms
49 ms
74 ms
178 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 75% of them (39 requests) were addressed to the original Rsquaredacademy.com, 6% (3 requests) were made to D3uquinnby8rta.cloudfront.net and 4% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (734 ms) belongs to the original domain Rsquaredacademy.com.
Page size can be reduced by 39.1 kB (3%)
1.2 MB
1.1 MB
In fact, the total size of Rsquaredacademy.com main page is 1.2 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 1.1 MB which makes up the majority of the site volume.
Potential reduce by 33.7 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 13.7 kB, which is 34% 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 33.7 kB or 84% of the original size.
Potential reduce by 5.2 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. Rsquared Academy images are well optimized though.
Potential reduce by 0 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 220 B
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. Rsquaredacademy.com needs all CSS files to be minified and compressed as it can save up to 220 B or 26% of the original size.
Number of requests can be reduced by 12 (32%)
38
26
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rsquared Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
rsquaredacademy.com
184 ms
rsquaredacademy.com
13 ms
www.rsquaredacademy.com
49 ms
css
74 ms
bootstrap.min.css
178 ms
font-awesome.min.css
213 ms
Footer-with-social-icons.css
360 ms
style.css
253 ms
style2.css
299 ms
font-awesome.min.css
69 ms
bootstrap.min.css
75 ms
jquery.min.js
255 ms
bootstrap.min.js
203 ms
main.js
268 ms
jquery.min.js
64 ms
bootstrap.min.js
86 ms
horizontal-slim-10_7.css
61 ms
logo.jpeg
250 ms
home-background.jpg
395 ms
course_card_ds_self_paced.png
394 ms
course_card_intro_r.jpg
394 ms
course_card_import_r.png
455 ms
course_card_data_wrangling_r.jpg
452 ms
cta1-background.jpg
513 ms
student_advisor_1.png
453 ms
course_repository.jpg
453 ms
live_class.png
454 ms
practice.png
486 ms
support.png
465 ms
portfolio.jpg
509 ms
certificate.ico
588 ms
cta2-background.jpg
589 ms
rsquared_live_class.jpg
601 ms
rsquared_lifetime.png
588 ms
rsquared_blended.jpg
691 ms
faculty.png
589 ms
hex_stickers.png
668 ms
shiny_apps.png
632 ms
blog.jpg
707 ms
interactive_tutorials.png
734 ms
effective.jpg
617 ms
dottedline_lr.e29338e1.png
77 ms
dottedline_rl.10e1b867.png
61 ms
S6u9w4BMUTPHh6UVSwiPHA.ttf
55 ms
fontawesome-webfont.woff
31 ms
fontawesome-webfont.woff
198 ms
fontawesome-webfont.woff
9 ms
fontawesome-webfont.woff
212 ms
fontawesome-webfont.ttf
15 ms
fontawesome-webfont.svg
2 ms
opensans3.woff
94 ms
opensans7.woff
95 ms
rsquaredacademy.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
rsquaredacademy.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
rsquaredacademy.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
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 Rsquaredacademy.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 Rsquaredacademy.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.
rsquaredacademy.com
Open Graph data is detected on the main page of Rsquared Academy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: