In terms of market share, Advertise.com is clearly lagging behind, losing to Didit in all segments.
Advertise.com has better usage coverage in more websites categories. Including Health, Products & Shopping, Business & Industry, Shopping and 42 other categories.
Didit is leading in Publishing & Printing.
Advertise.com is leading in most countries, including United States, Japan, Canada, China and 9 other countries.
Didit hasn't got a lead over Advertise.com in any country.