I'm sure that many of you are a tad annoyed by various sites, especially newspapers, automatically playing videos when you open a page whether you actually want to see the bollocks or not, it certainly gets on my nerves.
If so, here are some things to do if using Chrome or Chromium (Linux version), or any other browser based on Chromium.
First, download the "Disable HTML5 Autoplay" addon for Chrome, which will at least stop many things from playing.
Second, make sure you have AdBlockPlus and Flashcontrol installed. One way that sites have used to get around the HTML5 block is to use animated gifs, and a right click on the gif brings up a nice "block element" option in AdBlockPlus which does what it says, and there is no more unwanted animated nonsense with these images, they simply don't appear. Flashcontrol does what it says, you choose if flash elements are played on a site or not.
Third, and I know this is on a site for Apple users but t works for all versions of chrome, follow the instructions here:-
How to Stop Autoplay Video in Chrome
Result, all the flashing and annoying crap on sites such as the Daily Mail (one of the worst I have come across) is stopped dead in it's tracks.
I'm working on how to stop the extra "pop up" video windows that appear when you scroll down pages, will add to this thread when I have the answer as I'm sure many of you can't stand that crap as well.