My experience with Lardy Fatboy is that he's British and one of the people who was part of the group buy I spearheaded a couple of years ago to buy an Alida archtop electric uke directly from the manufacturer in China. It seems he created a database of ukes he likes and put that up on a web site. If you visited that site, it deposited a cookie on your computer that you logged in there and will keep track of your visit.
If you don't want the Pinterest links, you should be able to delete that cookie, I don't how to do that on a Windows system, but on a Mac using Safari, click the left Safari menu, in the menu that drops click Preferences. In the Preferences window click the icon Privacy and in that window under the button Remove All Website Data, click the small Details... button. In the list that shows, scroll to and choose the Pinterest item, then click the Remove button.