Opera remains one highly underrated web browser for the quality it has to offer. Given the fact that it is capable of performing every single task which its rivals can and comes with a handy set of features, it makes it to our list of the best web browsers. Opera has a small customer base, but it is one quality browser, it is flexible, convenient and secure. Opera comes with built-in ad-blockers which maximize computer security against broken web links and adware. Opera maintains high internet security by directing traffic to secure sites only.