In terms of market share, Webclicktracker is clearly lagging behind, losing to WordStream in all segments.
WordStream has better usage coverage in more websites categories. Including People & Society, Relationships & Dating, Autos & Vehicles, Health and 54 other categories.
Webclicktracker is leading in Business & Industry, Industrial Goods & Services, Chemicals, Music & Audio and 9 other categories.
Webclicktracker is leading in most countries, including United States, Philippines, China, Taiwan and 11 other countries.
WordStream is leading in United Kingdom, Mexico, Bulgaria, Algeria and 6 other countries.