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Opera Browser Standards Support Chart
Knowing the capabilities of each platform makes a huge difference in creating a great user experience across all platforms and devices. Many of you might be wondering about the capabilities supported on Opera Desktop, Mobile and Mini and how they differ from one another in that regard. We thought it would be nice to provide you with a comparative list of standards support across our three browsers.
Opera 10.5x for Desktop runs on the Presto 2.5 rendering engine, while Opera Mini 5 and Opera Mobile 10 are running on Presto 2.4.
|Desktop 10.5x||Mobile 10||Mini 5|
|text-shadow (incl. multiple text-shadow)||*|
|CSS3 Backgrounds and Borders|
|multiple background images|
|CSS3 2D Transforms|
|Web Storage - Local Storage|
|Web Storage - Session Storage|
|Web SQL Storage|
|Viewport META tag||N/A|
* Blur radius is not supported.
† Opera on Windows and Mac support the Ogg container format and the Theora and Vorbis codecs, as well as the WAVE container format and PCM codec. Opera on Linux and FreeBSD supports the container formats and codecs that are installed in the system's GStreamer.
‡ Opera Mini uses the same engine as other Opera products, but it is special as it consists of an Opera Mini thin client on the phone and an Opera Server on the back-end. Because of this particular architecture, Opera Mini does not support asynchronous operations or user interaction such as mouseover events in SVG and Canvas.
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