That has to do with the pinch gesture on your touchpad that you're using on your new laptop. Basically, they made it so it's easier to zoom-in and zoom-out on maps and photos while you're browsing, but you also can zoom-in and zoom-out on the webpage you're viewing with the gestures. You may be accidentally zooming-in and zooming-out as you're browsing webpages in Google Chrome, Mozilla Firefox, Microsoft Internet Explorer, etc. which can be very annoying. I already disabled my pinch gesture.
All you got to do is go to Start -> Settings -> Devices -> Mouse & Touchpad. Or sometimes you have to click the tiny little arrow down in the notification area at the bottom-right of your screen and find the touchpad settings. Depending on your computer brand/make, you have to find your way to the touchpad settings and disable the pinch gesture.