This test checks the user-agent and its data every 5 milliseconds using JavaScript and displays it in a table below.

If you see more than one item in the list, it indicates that the user-agent data has changed during the page load. Sometimes, you may need to refresh the page multiple times to see the changes. If you see only one item, it means that the user-agent data has not changed once the page is loaded (ensure it's spoofed if the extension is enabled).

Items marked with 🗑️ are deprecated, 🧪 denotes experimental features, and (!🦊 !🧭) indicates features not supported in Firefox and Safari (unless marked with 🦊, which means supported only in Firefox at the time this test was created).