Firebug, a web development plug-in for Firefox, has long been a must-have tool for web developers working with HTML, CSS and JavaScript. But now Opera has released a competing set of developer tools ...

Web developers can now access a beta version of the Opera Dragonfly 1.0 development tools — including a JavaScript debugger, DOM, network and storage inspectors — which are designed to help assess the ...

Have you been longing for Opera on Linux? The wait is over! Opera Software has today released the Developer version of Opera 24 for Windows, Mac and Linux. If you love trying out new Opera ...

Browser that Opera has the ad blocking function as standardOpera developer"Has been released. Opera developer said that it is about 45% faster than Google's Chrome with "AdBlock Plus" extension, so I ...

In May of 2016, a browser for developers who experimentally implement new functions of Web browser · Opera "Opera developer"New power saving mode was added. Opera developer got a lot of attention as a ...