Definition of header biddingNew Word Suggestion
a programmatic system for offering online advertising space to multiple buyers simultaneously before making calls to the ad server
also called pre-bidding, advance bidding
Protect yourself from online fraud
What to look out for to stay one step ahead of scammers
Language expert Ian Brookes looks at the word 'election' and its origins.
Join the Collins community
All the latest wordy news, linguistic insights, offers and competitions every month.