Let's start with some basics.Duplicate Tabs. How to Manage Your Google Chrome TabsOpen New Tabs. Each chrome tab takes around 50 MB of memory to render a web page, so if there are 10 tabs open, at least 450 MB of memory is spent. Guyes I faced exactly the same problem couple of days ago. Clicking on the “Open the New Tab Page” option Restart the browser and check to see if the issue persists. Finally, got a very simple way to stop websites from opening automatically in the browser the in Android while unlocking it. Besides, to fix browser new tab page, default search provider and homepage, you should reset Chrome settings. If you wish to go back to the tab layout, you can do it by opening a new tab in Chrome and entering this in the address bar - ‘Chrome://flags’.
Chrome opening new tabs automatically is very common issue among Google Chrome users.