I had been a big Dolphin user with my older Galaxy Tabs as that was infinitely better than Firefox (which was lacking in its tablet incarnation). But after using it on the idevices (iPad 3rd gen, mini & 4S), it seemed bloated and I found Mercury, which was my go-to for a couple years...
However with the 6+ & Air2, I found Mercury seemed a bit buggy, at least early on (e.g., I couldn't get a long-press on a link to drop a menu to choose how to open a link - although that could have been an iOS 8.0x issue), so thanks to this forum, I found iCab Mobile, which has pretty incredible customization and a ton of browser-ID choices.
As you can tell, I didn't mention Safari as IMHO, it basically sucks.
And Chrome to me was too weird on my desktop (Linux), let alone on a phone or tablet.. And although I have it on my S4, I opted to stay with Dolphin on that and Mercury on the GTab 4. The Kindle Fire HD has Amazon's bizarre Silk browser, but I was able to side-load Mercury on there...
However with the 6+ & Air2, I found Mercury seemed a bit buggy, at least early on (e.g., I couldn't get a long-press on a link to drop a menu to choose how to open a link - although that could have been an iOS 8.0x issue), so thanks to this forum, I found iCab Mobile, which has pretty incredible customization and a ton of browser-ID choices.
As you can tell, I didn't mention Safari as IMHO, it basically sucks.