The latest versions of Mozilla Firefox show ads on the icons of a new tab. If you're one of those who can not stand it, you can get rid of them easily.
The Mozilla Foundation added these ad tiles to reduce its revenue dependence on Google, which had been their main source of revenue for many years, due to searchof Google which was the default search engine in the browser Firefox. The Mozilla Foundation, however, chose not to renew its collaboration with the company, and so as an alternative source of income, he decided to place ads on the page of each new tab.
Mozilla claims that these new ad slots do not jeopardize your privacy, that is, they are not used to track your activity or collect third-party information. However, some of you may not want to have them on every new tab you open.
To get rid of your ads, do the following:
Open a new tab in Firefox
Make it click on the gray gear icon in the upper right corner to see its menu and select the 'Classic' option.
You are done. With the Classic option, Firefox will only show web pages from the history browsing on the new tab page. Note that tiles that are already there and showing ads will not go away on their own. You will have to remove them yourself.
Alternatively, instead of the Classic option, you can select "Blank", but your new tabs will appear blank, which makes them less useful.