diff --git a/guide/english/web-performance/website-monitoring/real-user-monitoring/index.md b/guide/english/web-performance/website-monitoring/real-user-monitoring/index.md
index 8294b84287..df88fcbc71 100644
--- a/guide/english/web-performance/website-monitoring/real-user-monitoring/index.md
+++ b/guide/english/web-performance/website-monitoring/real-user-monitoring/index.md
@@ -3,12 +3,13 @@ title: Real User Monitoring
 ---
 ## Real User Monitoring
 
-This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/web-performance/website-monitoring/real-user-monitoring/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
+Real User Monitoring is a passive monitoring technology that is used to record all user interaction with a website or client interacting with a server or cloud-based application. Passive monitoring can be very helpful in troubleshooting performance problems once they have occured. 
 
-<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
+Real User Monitoring(RUM) functions by collecting a website or app's performance measures straight from the browser of the end user. Javascript is embedded in each page for this purpose and it collects data as a user explores the page and transfers the data for the analysis.
 
-<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds  -->
+RUM is different from Synthetic monitoring. Synthetic moitoring is active web monitoring where as RUM is a form of passive web monitoring. So, unlike synthetic monitoring, RUM never rests.
+
+For more details on RUM, how it works, its examples and how it is different from Synthetic monitoring, you can visit <a href="https://stackify.com/what-is-real-user-monitoring/"> this link </a>.
 
 #### More Information:
-<!-- Please add any articles you think might be helpful to read before writing the article -->
 <a href='https://en.wikipedia.org/wiki/Real_user_monitoring' target='_blank' rel='nofollow'>Real User Monitoring Wikipedia Article</a>