The 'easy' way to tell is to let the cursor hover over the 'click' button (you can do this with every button or link on any web page) AND HOVER do NOT click. The 'click' address will show in the bottom Left Hand Side of the browser; right at the bottom. The address should be similar to the actual web page eg if the website is https://www.nhs.uk/ then the click button should be https://www.nhs.uk/(subpages etc or number or random text). The BBC use page numbers on their subpages. Most scams use a completely different address.
Also the address should start https (NOTE the 's'). That means it is 'supposedly secure.
The 'easy' way to tell is to let the cursor hover over the 'click' button (you can do this with every button or link on any web page) AND HOVER do NOT click. The 'click' address will show in the bottom Left Hand Side of the browser; right at the bottom. The address should be similar to the actual web page eg if the website is https://www.nhs.uk/ then the click button should be https://www.nhs.uk/(subpages etc or number or random text). The BBC use page numbers on their subpages. Most scams use a completely different address.
Also the address should start https (NOTE the 's'). That means it is 'supposedly secure.