Worth mentioning that (at least in Chrome), two of her recommendations conflict. Using incognito mode will by default prevent extensions (such as HTTPS Everywhere, or Adblock Plus, which you should also use) from running. Be sure to set these to run in incognito mode at chrome/extensions.
@Jush No, nothing wrong with startpage.com, it's just not as popular as DDG -- even though it exists quite a bit longer! (Same with messenger apps, btw: Threema exists longer than Telegram, but the latter gets all the fame.)