premiere pro cs6
To export a sequence in Premiere for viewing on the web, in the menu at the top click on File...Export...Media.
That will bring up an Export Settings box where you can adjust the settings for your exported movie, such as the Format and Preset settings.
Here are settings for exporting a video you can upload to YouTube and then embed on a web page for a news site.
Click on the Format drop-down menu and select H.264
Click on the Preset drop-down menu and select YouTube HD 720p 29.97
Click Output Name to type in a name for your video file and to select a destination folder on your computer to which the video file will be exported.
Review the Source Range selection in the lower left to make sure you're exporting all of the sequence that you want (such as Entire Sequence to export everything on your Timeline.
Then click on the Export button at the bottom right.