Acerno
trend
2,365 websites

Acerno is free to use

http://www.adroitds.com/

aCerno is an e-commerce advertisement cooperative that uses anonymous consumer shopping data from product manufacturers and retailers to identify consumers and their desired products and services.

VS

HitTail
trend
11,401 websites

HitTail offers both free and paid options

http://www.hittail.com/

HitTail is a search intelligence product that reveals in real-time the under performing, most promising keywords hidden in the long tail of natural search results. These terms are presented as suggestions that can boost the natural search r...

Market Share by Top Websites

1 HitTail is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Acerno is clearly lagging behind, losing to HitTail in all segments.

Websites Categories

1 HitTail has better usage coverage in more websites categories. Including Business & Industry, People & Society, Arts & Entertainment, Shopping and 197 other categories.

2 Acerno is leading in Car Buying, History, Fish & Aquaria, Metals & Mining and one other category.

Geography

1 HitTail is leading in most countries, including United States, United Kingdom, Italy, Russia and 102 other countries.

2 Acerno is leading in Panama, Jersey and Isle of Man.