https://community.dynatrace.com/t5/Real-User-Monitoring/RUM-on-Web-workers/m-p/294591#M7245 <P><SPAN>If the page uses webworkers, the JS agent will not be able to track the request because it happens in a completely different context and is absolutely invisible to the JS agent. </SPAN></P><P><SPAN>Perform the action and check the Network Tab. </SPAN></P><P><SPAN>Requests in a webworker are indicated with a small cogwheel:</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="KiranSomanatti_1-1770812934078.png" style="width: 400px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/31984i677D6586B1CC3B11/image-size/medium?v=v2&amp;px=400" role="button" title="KiranSomanatti_1-1770812934078.png" alt="KiranSomanatti_1-1770812934078.png" /></span></P><P>&nbsp;</P> Wed, 11 Feb 2026 12:29:54 GMT KiranSomanatti 2026-02-11T12:29:54Z https://community.dynatrace.com/t5/Real-User-Monitoring/RUM-on-Web-workers/m-p/294185#M7225 <P>Hi I have a web application that uses Web worker for its backend logic and from to to time the Web worker will perform xhr / fetch request for some resource files from the server based on user's actions.<BR />I notice that RUM captures only the main page's interaction/request but not from the web workers. Is there a way for us to capture the xhr /fetch request that is triggered from the web worker?&nbsp;&nbsp;</P> Fri, 06 Feb 2026 03:20:08 GMT https://community.dynatrace.com/t5/Real-User-Monitoring/RUM-on-Web-workers/m-p/294185#M7225 TengHong 2026-02-06T03:20:08Z https://community.dynatrace.com/t5/Real-User-Monitoring/RUM-on-Web-workers/m-p/294591#M7245 <P><SPAN>If the page uses webworkers, the JS agent will not be able to track the request because it happens in a completely different context and is absolutely invisible to the JS agent. </SPAN></P><P><SPAN>Perform the action and check the Network Tab. </SPAN></P><P><SPAN>Requests in a webworker are indicated with a small cogwheel:</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="KiranSomanatti_1-1770812934078.png" style="width: 400px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/31984i677D6586B1CC3B11/image-size/medium?v=v2&amp;px=400" role="button" title="KiranSomanatti_1-1770812934078.png" alt="KiranSomanatti_1-1770812934078.png" /></span></P><P>&nbsp;</P> Wed, 11 Feb 2026 12:29:54 GMT https://community.dynatrace.com/t5/Real-User-Monitoring/RUM-on-Web-workers/m-p/294591#M7245 KiranSomanatti 2026-02-11T12:29:54Z