Aware Online - Find mutual friends on Facebook. To find the mutual friends of two or more connections, you must go through the following steps: STEP 1: navigate to the two Facebook profiles that you wish to investigate. It is a good practive if you keep the two profiles open in two separate tabs. STEP 2: right-click anywhere on the page of the first profile you want to investigate and select “View Page Source“. Make sure that you do not click on an image or a link, but on an “empty” page section. STEP 3: search the source code using the find function (CTRL + F) for the term “Entity_id” (without quotes) to retrieve the Facebook user ID of your target. STEP 4: repeat step 3, but execute it now for the second profile that you want to investigate. STEP 5: To find out which mutual friends your two targets have, you must enter the following code in the URL: “www.facebook.com/browse/mutual_friends/?
When you execute the code, you will see which mutual friends your two target accounts have. Facebook profile/group searches. Ad Library.