Layer ads
Layer ads were an online advertising format consisting of animated ads that appeared over page content and moved freely around the screen for a few seconds
What it means, how it is used and where it comes up, with its related concepts.
What it is and how it works
They became popular in the early 2000s, when technologies such as Flash allowed animations with transparent backgrounds. After their run they could disappear on their own, be closed manually or settle into a standard banner.
Their intrusiveness, the end of Flash in 2020, ad blockers and standards against disruptive formats have made them all but obsolete. The term is kept as a historical reference among floating formats; overlay ads still in use today tend to be more restrained and easy to close.
Also known as
Floating ads, Overlay ads
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