I was really (really) hesitant to begin blocking adverts. I believe in paying for what I use. What finally pushed me over the edge was "good" sites unknowingly distributing malware via adverts.
I wish that Safari on iPad had a plugin functionality for things like adblock and noscript. Sometimes web browsing can be excruciatingly slow from all the scripts and ads on websites.
Luckily there is an option to turn off JavaScript but there needs to be more control like whitelisting.
Safari doesn't have any selective blocking capabilities but there's always 3rd party browsers for that. Check out Ghostery for iPad which is focused on privacy & blocking 3rd party trackers:
I was really (really) hesitant to begin blocking adverts. I believe in paying for what I use. What finally pushed me over the edge was "good" sites unknowingly distributing malware via adverts.