On underpowered PC (old config) the abuse of flash modules in web pages can quickly monopolize the power of the computer.
Fortunately, it is possible to block the loading of flash elements, a single click (flash element will be replaced by a button and from there you can choose to enable the items or not).
- Click on Menu > Settings > Preferences > Advanced tab
- Check the option next to Enable on Demand Plugin
- All Flash element will be replaced by a clickable button: