The issue collector allows you to embed a JIRA feedback form on the webpage.
https://confluence.atlassian.com/jira/using-the-issue-collector-288657654.html
Widgets · Feedback Forms and Surveys
Get access to data on 18,492 websites that are Atlassian JIRA Issue Collector Customers. We know of 5,717 live websites using Atlassian JIRA Issue Collector and an additional 12,775 sites that used Atlassian JIRA Issue Collector historically and 2,554 websites in the United States.
Get a list of 18,492 websites using Atlassian JIRA Issue Collector which includes location information, hosting data, contact details, 5,717 currently live websites and an additional 27,407 domains that redirect to sites in this list. 12,775 sites that used this technology previously and 2,554 websites in the United States currently using Atlassian JIRA Issue Collector.