Personal reasons account for 76% of their time spent online, and they cite saving time as a major incentive for logging on.
A quarter of UK mums use social networking sites online and 14% get involved in blogging, while the use of forums grew by 31%.
Mums also use the web as a reference point for their family's health needs, up year-on-year by 37%, according to the research. The use of auction sites has experienced similarly growth, up 33%.
Price comparison sites are another favourite with 39% of mums now using them to save money. Online shopping overall is very high with 94% of all mums having bought on the web, making them more likely to shop online than women without children.
Current affairs come high on the digital mums' agenda, with 58% regularly visiting news sites.
Online habits vary accordingly to the age of their children, and mums who use the internet and have babies and very young children are far more likely to visit family and kids websites (61%) and banking and finance sites (63%), while women with children aged 16-18 take time out to focus on film websites (49%).
Alison Fennah, executive director of the EIAA, said: "For time-pressed, multi-tasking mums, the internet is increasingly playing a crucial role in enriching their busy everyday lives. Not only does the internet help mums maximise time and keep control of family life and demands but it is also proving to be a valuable networking tool."
The study involved more than 7,000 random telephone interviews with mothers throughout Europe.