2.4 sec in total
89 ms
705 ms
1.6 sec
Welcome to rmarcus.info homepage info - get ready to check R Marcus best content for United States right away, or after learning these important things about rmarcus.info
Ryan Marcus, assistant professor at the University of Pennsylvania (Fall '23). Using machine learning to build the next generation of data systems.
Visit rmarcus.infoWe analyzed Rmarcus.info page load time and found that the first response time was 89 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
rmarcus.info performance score
name
value
score
weighting
Value1.4 s
98/100
10%
Value1.6 s
99/100
25%
Value1.4 s
100/100
10%
Value110 ms
98/100
30%
Value0
100/100
15%
Value2.1 s
99/100
10%
89 ms
51 ms
38 ms
73 ms
24 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 61% of them (20 requests) were addressed to the original Rmarcus.info, 12% (4 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (210 ms) relates to the external source Stats.g.doubleclick.net.
Page size can be reduced by 370.2 kB (61%)
604.2 kB
233.9 kB
In fact, the total size of Rmarcus.info main page is 604.2 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. 50% of websites need less resources to load. Javascripts take 288.8 kB which makes up the majority of the site volume.
Potential reduce by 128.3 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 128.3 kB or 83% of the original size.
Potential reduce by 14.4 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, R Marcus needs image optimization as it can save up to 14.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 193.2 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 193.2 kB or 67% of the original size.
Potential reduce by 34.3 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. Rmarcus.info needs all CSS files to be minified and compressed as it can save up to 34.3 kB or 80% of the original size.
Number of requests can be reduced by 14 (56%)
25
11
The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of R Marcus. 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.
rmarcus.info
89 ms
rmarcus.info
51 ms
38 ms
analytics.js
73 ms
poole.css
24 ms
syntax.css
62 ms
hyde.css
97 ms
css
118 ms
rmarcus.css
95 ms
MathJax.js
151 ms
angular.min.js
144 ms
angular-apps.js
92 ms
conn4ctrl.js
94 ms
vulcan.js
113 ms
app.js
99 ms
font-awesome.min.css
59 ms
conn4.css
99 ms
collect
12 ms
collect
210 ms
TeX-AMS-MML_HTMLorMML.js
138 ms
ajax-loader.gif
114 ms
conn4worker.js
56 ms
vulcan.html
51 ms
tree2.png
50 ms
rdtheory_decomp.png
125 ms
chart1.png
49 ms
chart2.png
73 ms
chart3.png
73 ms
FUDHvzEKSJww3kCxuiAo2A.ttf
125 ms
0XxGQsSc1g4rdRdjJKZrNC3USBnSvpkopQaUR-2r7iU.ttf
125 ms
PIPMHY90P7jtyjpXuZ2cLKCWcynf_cDxXwCLxiixG1c.ttf
65 ms
X1g_KwGeBV3ajZIXQ9VnDibsRidxnYrfzLNRqJkHfFo.ttf
64 ms
fontawesome-webfont.woff
21 ms
rmarcus.info accessibility score
rmarcus.info 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
rmarcus.info SEO score
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 Rmarcus.info 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 Rmarcus.info 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.
rmarcus.info
Open Graph description is not detected on the main page of R Marcus. 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: