Herein, is it good to disable cookies?
Turning off cookies prevents this. Due to these problems, users often disable cookies or block them on certain sites for increased privacy and security. With tracking cookies, advertisers can track users across different websites and even across IP addresses (e.g. for laptop users).
Likewise, should you always block cookies? Cookies aren't necessarily bad, at least first-party cookies. It's just a way for your browser to “remember” your settings for a particular website. But when you always block cookies, Google shows the window each time, treating each visit as a new session. Deleting cookies and clearing website data.
Beside above, what happens if you dont accept cookies?
The flip-side of this is that some companies simply won't let you use their website if you don't accept a cookie. But for the most part, you'll still be able to access the majority of the internet without accepting cookies.
What happens if I block all cookies on my iPhone?
Block cookiesTo choose whether Safari blocks cookies, tap Settings > Safari, then turn on Block All Cookies. If you block cookies, some web pages might not work. You might see a message that cookies are required or that your browser's cookies are off. Some features on a site might not work.