For years I’ve blocked pop-up adverts from loading while browsing the Internet by using the Firefox web browser and ticking the ‘block pop-up’ option with FireFox preferences:

1) Go to Firefox Preferences


2) Under the ‘Content’ tab, tick the Block pop-up windows box.


And no surprise…. the pop-up’s stop. So out of interest, about five years after first discovering Firefox and its pop-up capabilities in late 2002 I turned off pop-up blocking to see if websites still pop-up annoying adverts…. and low and behold a few minutes of surfing around the net a previously blocked annoying spam pop-up pops up and says….