Before Chrome came out, Opera was one of the most popular Firefox and Internet Explorer alternatives. Since then, the number of its users has dropped drastically, and now the former browser founder, Jon Stephenson von Tetzchner, is trying to win a place on the market with a new one - Vivaldi. As for the Opera - it must be admitted that this is definitely an underestimated solution.Opera has some nice features it saves loading time and data transfer consumption by compressing websites on Opera's servers. It also speeds up browsing on slow links. Developer tools make it easy to build and debug local and remote websites. They offer, among others the view of websites and highlighting elements. The social networks allow you to go to services such as WhatsApp, Facebook Messenger or Telegram with one click. Like Chrome and Firefox, Opera is also equipped with synchronization functions.