the first two are ADs. says right next to them.
wu'cha browsin' nekkid for? get an ad blocker. that should be the very first thing that goes in your browser, then fix the default settings that nobody wants enabled. then go get your libreoffice and other stuff.
i like that someone maintains ublockorigin.com as a landing page for ubo with links to the appropriate addon site for your browser. makes it a little easier to get to on a new pc.