1.2 sec in total
111 ms
516 ms
563 ms
Click here to check amazing Robo Grok content for United States. Otherwise, check out these important facts you probably never knew about robogrok.com
RoboGrok is a complete hands-on university-level robotics course covering forward and inverse kinematics (Denavit-Hartenberg), sensors, computer vision (machine vision), Artificial Intelligence, and m...
Visit robogrok.comWe analyzed Robogrok.com page load time and found that the first response time was 111 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
robogrok.com performance score
name
value
score
weighting
Value0.9 s
100/100
10%
Value4.6 s
35/100
25%
Value0.9 s
100/100
10%
Value350 ms
73/100
30%
Value0
100/100
15%
Value2.0 s
99/100
10%
111 ms
35 ms
33 ms
38 ms
32 ms
Our browser made a total of 21 requests to load all elements on the main page. We found that 95% of them (20 requests) were addressed to the original Robogrok.com, 5% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (334 ms) belongs to the original domain Robogrok.com.
Page size can be reduced by 280.2 kB (61%)
459.7 kB
179.5 kB
In fact, the total size of Robogrok.com main page is 459.7 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. 35% of websites need less resources to load. Images take 385.8 kB which makes up the majority of the site volume.
Potential reduce by 15.2 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 15.2 kB or 77% of the original size.
Potential reduce by 232.9 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, Robo Grok needs image optimization as it can save up to 232.9 kB or 60% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 32.0 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 32.0 kB or 60% of the original size.
Potential reduce by 137 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. Robogrok.com needs all CSS files to be minified and compressed as it can save up to 137 B or 12% of the original size.
We found no issues to fix!
20
20
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robo Grok. According to our analytics all requests are already optimized.
robogrok.com
111 ms
RoboGrok_Website_WB12_Organized.css
35 ms
index.css
33 ms
analytics.js
38 ms
img0166.png
32 ms
img0364_hover.png
31 ms
img0364.png
322 ms
img0167.png
324 ms
img0168.png
320 ms
img0365_hover.png
319 ms
img0365.png
323 ms
img0174.png
325 ms
img1182_hover.png
322 ms
img1182.png
325 ms
img1183_hover.png
323 ms
img1183.png
300 ms
Robogrok-image-transparent.png
334 ms
img0088_over.gif
301 ms
img0088.gif
303 ms
img0123_over.gif
302 ms
img0123.gif
302 ms
robogrok.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.
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
robogrok.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
robogrok.com SEO score
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robogrok.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 Robogrok.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.
robogrok.com
Open Graph description is not detected on the main page of Robo Grok. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: