"Activities on this website" refers to the actions or things that can be done or experienced while using or engaging with the specific website being referred to. Full definition
As you can probably tell from the lack of activity on this website lately, school has started again and it is turning out to be a very busy semester! (tastyeasyhealthygreen.com)
From activity on your website to feedback from current clients to industry trends, your marketing team gathers a solid amount of information — and probably uses it to guide decision - making. (entrepreneur.com)
Click - wrapped terms have been found enforceable if the user is required to view them prior to engaging in activities on the website. (law.stackexchange.com)