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robocademy.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

robocademy.com

Mastering Robotics and AI using ROS 2, NVIDIA Isaac

Page Load Speed

8 sec in total

First Response

624 ms

Resources Loaded

7 sec

Page Rendered

338 ms

robocademy.com screenshot

About Website

Visit robocademy.com now to see the best up-to-date Robocademy content and also check out these interesting facts you probably never knew about robocademy.com

Mastering Robotics and AI using ROS 2, NVIDIA Isaac

Visit robocademy.com

Key Findings

We analyzed Robocademy.com page load time and found that the first response time was 624 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

robocademy.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.2 s

75/100

10%

Network Requests Diagram

robocademy.com

624 ms

robocademy.com

1305 ms

cv.css

1060 ms

cvpro.min.css

1112 ms

loading-page.css

863 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 74% of them (28 requests) were addressed to the original Robocademy.com, 24% (9 requests) were made to C0.wp.com and 3% (1 request) were made to Stats.wp.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Robocademy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.8 kB (11%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Robocademy.com main page is 1.4 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 76.8 kB

  • Original 117.0 kB
  • After minification 116.1 kB
  • After compression 40.2 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. 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 76.8 kB or 66% of the original size.

Image Optimization

-7%

Potential reduce by 80.7 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. Robocademy images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 836 B

  • Original 98.2 kB
  • After minification 98.2 kB
  • After compression 97.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 5.5 kB

  • Original 124.7 kB
  • After minification 124.7 kB
  • After compression 119.2 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. Robocademy.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (74%)

Requests Now

35

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robocademy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

robocademy.com

robocademy.com

624 ms

robocademy.com

robocademy.com

1305 ms

cv.css

cv.css

1060 ms

cvpro.min.css

cvpro.min.css

1112 ms

loading-page.css

loading-page.css

863 ms

style.min.css

style.min.css

51 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

57 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

50 ms

download.css

download.css

884 ms

dashicons.min.css

dashicons.min.css

57 ms

all.css

all.css

844 ms

wpsc-front-end-styles.css

wpsc-front-end-styles.css

850 ms

style.css

style.css

1616 ms

font-awesome.min.css

font-awesome.min.css

1620 ms

style.css

style.css

57 ms

social-icons.css

social-icons.css

59 ms

style.css

style.css

61 ms

jquery.min.js

jquery.min.js

61 ms

jquery-migrate.min.js

jquery-migrate.min.js

61 ms

loading-logo.js

loading-logo.js

1643 ms

loading-page.min.js

loading-page.min.js

1661 ms

cv.js

cv.js

1816 ms

cvpro.min.js

cvpro.min.js

2459 ms

media-query.js

media-query.js

2404 ms

download.js

download.js

2383 ms

jquery.theme-main.min.js

jquery.theme-main.min.js

2420 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

2488 ms

responsive-menu.min.js

responsive-menu.min.js

2620 ms

jquery.fitvids.min.js

jquery.fitvids.min.js

3153 ms

e-202445.js

e-202445.js

58 ms

02.svg

02.svg

1557 ms

cropped-Untitled-2-01.png

cropped-Untitled-2-01.png

1766 ms

books-1024x458.png

books-1024x458.png

3069 ms

Project-1-1024x683.jpg

Project-1-1024x683.jpg

2061 ms

mastering_ros_poster1-1024x576.jpg

mastering_ros_poster1-1024x576.jpg

2309 ms

lentin_joseph-min-1-1024x576.jpg

lentin_joseph-min-1-1024x576.jpg

2812 ms

ros_advanced123-1024x576.png

ros_advanced123-1024x576.png

3411 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

3029 ms

Accessibility Review

robocademy.com accessibility score

80

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

robocademy.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

robocademy.com SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robocademy.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 Robocademy.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.

Social Sharing Optimization

robocademy.com

Open Graph data is detected on the main page of Robocademy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: